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SpringBoot系列——Activiti7工作流引擎（二）

智云科技发布于 2023年3月28日评论关闭阅读(179)

   流程图工具类 Activiti Utils 

 package com.mypro.activiti.utils;


import  java .util.ArrayList;

import java.util.List;




import org.activiti.bpmn.model.BpmnModel;

import org.activiti.bpmn.model.FlowNode;

import org.activiti.bpmn.model.SequenceFlow;

import org.activiti.engine.history.HistoricActivityInstance;

import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;




/**








<p>Activiti工作流工具类</p>








@author FRH








@time 2018年12月10日上午11:26:02








@version 1.0

*/
public class ActivitiUtils {




/**








<p>获取流程走过的线</p>








@param bpmnModel 流程对象模型








@param processDefinitionEntity 流程定义对象








@param historicActivityInstances 历史流程已经执行的节点，并已经按执行的先后顺序排序








@return List<String> 流程走过的线








@author FRH








@time 2018年12月10日上午11:26:19








@version 1.0

*/
public  static  List<String> getHighLightedFlows(BpmnModel bpmnModel, ProcessDefinitionEntity processDefinitionEntity, List<HistoricActivityInstance> historicActivityInstances) {

// 用以保存高亮的线flowId

List<String> highFlows = new ArrayList<String>();

if(historicActivityInstances == null || historicActivityInstances.size() == 0) return highFlows;




// 遍历历史节点

for (int i = 0; i < historicActivityInstances.size() - 1; i++) {

// 取出已执行的节点

HistoricActivityInstance activityImpl_ = historicActivityInstances.get(i);



 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 用以保存后续开始时间相同的节点</span></span></span></span>
 List<FlowNode> sameStartTimeNodes = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<FlowNode>();

 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取下一个节点（用于连线）</span></span></span></span>
 FlowNode sameActivityImpl = getNextFlowNode(bpmnModel, historicActivityInstances, i, activityImpl_);












//          FlowNode sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i + 1).getActivityId());



        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 将后面第一个节点放在时间相同节点的集合里</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(sameActivityImpl != <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) sameStartTimeNodes.add(sameActivityImpl);
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 循环后面节点，看是否有与此后继节点开始时间相同的节点，有则添加到后继节点集合</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> j = i + <span class="hljs- number "><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j < historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j++) {
            HistoricActivityInstance activityImpl1 = historicActivityInstances.get(j);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第一个节点</span></span></span></span>
            HistoricActivityInstance activityImpl2 = historicActivityInstances.get(j + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第二个节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span> (activityImpl1.getStartTime().getTime() != activityImpl2.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果第一个节点和第二个节点开始时间相同保存</span></span></span></span>
            FlowNode sameActivityImpl2 = (FlowNode) bpmnModel.getMainProcess().getFlowElement(activityImpl2.getActivityId());
            sameStartTimeNodes.add(sameActivityImpl2);
        }
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 得到节点定义的详细信息</span></span></span></span>
        FlowNode activityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i).getActivityId());
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 取出节点的所有出去的线，对所有的线进行遍历</span></span></span></span>
        List<SequenceFlow> pvmTransitions = activityImpl.getOutgoingFlows();
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (SequenceFlow pvmTransition : pvmTransitions) {
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取节点</span></span></span></span>
            FlowNode pvmActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(pvmTransition.getTargetRef());
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是后继节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!sameStartTimeNodes.contains(pvmActivityImpl)) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果取出的线的目标节点存在时间相同的节点里，保存该线的id，进行高亮显示</span></span></span></span>
            highFlows.add(pvmTransition.getId());
        }
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//返回高亮的线</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> highFlows;
}



<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/**
 * <p>获取下一个节点信息</p>
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> bpmnModel 流程模型
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> historicActivityInstances 历史节点
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> i 当前已经遍历到的历史节点索引（找下一个节点从此节点后）
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> activityImpl_ 当前遍历到的历史节点实例
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@return</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FlowNode 下一个节点信息
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@author</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FRH
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@time</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 2018年12月10日上午11:26:55
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@version</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 1.0
 */</span></span></span></span>
<span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">private</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">static</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> FlowNode </span></span></span><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title">getNextFlowNode</span></span></span></span></span></span></span><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params">(BpmnModel bpmnModel, List<HistoricActivityInstance> historicActivityInstances, </span></span></span></span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword">int</span></span></span></span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"> i, HistoricActivityInstance activityImpl_)</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span></span>{
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 保存后一个节点</span></span></span></span>
    FlowNode sameActivityImpl = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>;
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果当前节点不是用户任务节点，则取排序的下一个节点为后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImpl_.getActivityType())) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 是最后一个节点，没有下一个节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(i == historicActivityInstances.size()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是最后一个节点，取下一个节点为后继节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>).getActivityId());<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 返回</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 遍历后续节点，获取当前节点后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> k = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k <= historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k++) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续节点</span></span></span></span>
        HistoricActivityInstance activityImp2_ = historicActivityInstances.get(k);
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 都是userTask，且主节点与后续节点的开始时间相同，说明不是真实的后继节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImp2_.getActivityType()) && activityImpl_.getStartTime().getTime() == activityImp2_.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(k).getActivityId());
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
    }
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
}




}


 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 用以保存后续开始时间相同的节点</span></span></span></span>
 List<FlowNode> sameStartTimeNodes = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<FlowNode>();

 <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取下一个节点（用于连线）</span></span></span></span>
 FlowNode sameActivityImpl = getNextFlowNode(bpmnModel, historicActivityInstances, i, activityImpl_);
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 将后面第一个节点放在时间相同节点的集合里</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(sameActivityImpl != <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) sameStartTimeNodes.add(sameActivityImpl);
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 循环后面节点，看是否有与此后继节点开始时间相同的节点，有则添加到后继节点集合</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> j = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j < historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; j++) {
            HistoricActivityInstance activityImpl1 = historicActivityInstances.get(j);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第一个节点</span></span></span></span>
            HistoricActivityInstance activityImpl2 = historicActivityInstances.get(j + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续第二个节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span> (activityImpl1.getStartTime().getTime() != activityImpl2.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果第一个节点和第二个节点开始时间相同保存</span></span></span></span>
            FlowNode sameActivityImpl2 = (FlowNode) bpmnModel.getMainProcess().getFlowElement(activityImpl2.getActivityId());
            sameStartTimeNodes.add(sameActivityImpl2);
        }
        
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 得到节点定义的详细信息</span></span></span></span>
        FlowNode activityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i).getActivityId());
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 取出节点的所有出去的线，对所有的线进行遍历</span></span></span></span>
        List<SequenceFlow> pvmTransitions = activityImpl.getOutgoingFlows();
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (SequenceFlow pvmTransition : pvmTransitions) {
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取节点</span></span></span></span>
            FlowNode pvmActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(pvmTransition.getTargetRef());
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是后继节点</span></span></span></span>
            <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!sameStartTimeNodes.contains(pvmActivityImpl)) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
            
            <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果取出的线的目标节点存在时间相同的节点里，保存该线的id，进行高亮显示</span></span></span></span>
            highFlows.add(pvmTransition.getId());
        }
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//返回高亮的线</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> highFlows;
}



<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/**
 * <p>获取下一个节点信息</p>
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> bpmnModel 流程模型
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> historicActivityInstances 历史节点
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> i 当前已经遍历到的历史节点索引（找下一个节点从此节点后）
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@param</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> activityImpl_ 当前遍历到的历史节点实例
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@return</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FlowNode 下一个节点信息
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@author</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> FRH
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@time</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 2018年12月10日上午11:26:55
 * </span></span></span><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag"><span class="hljs-comment"><span class="hljs-doctag">@version</span></span></span></span></span></span></span><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"> 1.0
 */</span></span></span></span>
<span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">private</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-keyword">static</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> FlowNode </span></span></span><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title"><span class="hljs-function"><span class="hljs-title">getNextFlowNode</span></span></span></span></span></span></span><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params">(BpmnModel bpmnModel, List<HistoricActivityInstance> historicActivityInstances, </span></span></span></span></span></span><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword"><span class="hljs-function"><span class="hljs-params"><span class="hljs-keyword">int</span></span></span></span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"><span class="hljs-function"><span class="hljs-params"> i, HistoricActivityInstance activityImpl_)</span></span></span></span></span></span></span><span class="hljs-function"><span class="hljs-function"><span class="hljs-function"> </span></span></span></span>{
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 保存后一个节点</span></span></span></span>
    FlowNode sameActivityImpl = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>;
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 如果当前节点不是用户任务节点，则取排序的下一个节点为后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(!<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImpl_.getActivityType())) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 是最后一个节点，没有下一个节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(i == historicActivityInstances.size()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 不是最后一个节点，取下一个节点为后继节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>).getActivityId());<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 返回</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 遍历后续节点，获取当前节点后续节点</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span> (<span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">int</span></span></span></span> k = i + <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k <= historicActivityInstances.size() - <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">1</span></span></span></span>; k++) {
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 后续节点</span></span></span></span>
        HistoricActivityInstance activityImp2_ = historicActivityInstances.get(k);
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 都是userTask，且主节点与后续节点的开始时间相同，说明不是真实的后继节点</span></span></span></span>
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"userTask"</span></span></span></span>.equals(activityImp2_.getActivityType()) && activityImpl_.getStartTime().getTime() == activityImp2_.getStartTime().getTime()) <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">continue</span></span></span></span>;
        <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 找到紧跟在后面的一个节点</span></span></span></span>
        sameActivityImpl = (FlowNode) bpmnModel.getMainProcess().getFlowElement(historicActivityInstances.get(k).getActivityId());
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">break</span></span></span></span>;
    }
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> sameActivityImpl;
}

6.4 附上DemoController完整代码 

 package com.mypro.activiti.controller;


import java.io.InputStream;

import java.util.ArrayList;

import java.util.Date;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import java.util.stream.Collectors;




import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;




import org.activiti.bpmn.model.BpmnModel;

import org.activiti.engine.HistoryService;

import org.activiti.engine.RepositoryService;

import org.activiti.engine.RuntimeService;

import org.activiti.engine.TaskService;

import org.activiti.engine.history.HistoricActivityInstance;

import org.activiti.engine.history.HistoricActivityInstanceQuery;

import org.activiti.engine.history.HistoricProcessInstance;

import org.activiti.engine.impl.RepositoryServiceImpl;

import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;

import org.activiti.engine.runtime.ProcessInstance;

import org.activiti.engine.runtime.ProcessInstanceQuery;

import org.activiti.engine.task.Task;

import org.activiti.image.ProcessDiagramGenerator;

import org.apache.commons.lang3.StringUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.stereotype.Controller;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.ResponseBody;




import com.mypro.activiti.utils.ActivitiUtils;

import com.mypro.activiti.utils.StreamUtils;




/**





<p>Activiti控制器</p>


@author FRH


@time 2018年12月10日上午9:30:18


@version 1.0

*/
@Controller

@RequestMapping("/demo")

public class DemoController {





private static final Logger logger = LoggerFactory.getLogger(DemoController.class);



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程定义和部署相关的存储服务 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private RepositoryService repositoryService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程运行时相关的服务 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private RuntimeService runtimeService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 节点任务相关操作接口 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private TaskService taskService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程图生成器 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private ProcessDiagramGenerator processDiagramGenerator;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 历史记录相关服务接口 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private HistoryService historyService;



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>跳转到测试主页面</p>

     * @return String 测试主页面

     * @author FRH

     * @time 2018年12月10日上午11:12:28

     * @version 1.0

     */
@RequestMapping(value="/toIndex.html")

public String toTestPage() {

return "/index";

}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>跳转到上级审核页面</p>

     * @return String 上级审核页面

     * @author FRH

     * @time 2018年12月5日下午2:31:42

     * @version 1.0

     */
@RequestMapping(value="/toLeave")

public String employeeLeave() {

return "/employeeLeave";

}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>启动请假流程（流程key即xml中定义的ID为leaveProcess）</p>

     * @return String 启动的流程ID

     * @author FRH

     * @time 2018年12月10日上午11:12:50

     * @version 1.0

     /

@RequestMapping(value="/start")

@ResponseBody

public String start() {

/

*  xml中定义的ID

*/
String instanceKey = "leaveProcess";

logger.info("开启请假流程...");



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  设置流程参数，开启流程
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>,<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>,<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"jobNumber"</span></span></span></span>,<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"A1001"</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"busData"</span></span></span></span>,<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"bus data"</span></span></span></span>);
    ProcessInstance instance = runtimeService.startProcessInstanceByKey(instanceKey, map);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//使用流程定义的key启动流程实例，key对应helloworld.bpmn文件中id的属性值，使用key值启动，默认是按照最新版本的流程定义启动</span></span></span></span>
    
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"启动流程实例成功:{}"</span></span></span></span>, instance);
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}"</span></span></span></span>, instance.getId());
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程定义ID:{}"</span></span></span></span>, instance.getProcessDefinitionId());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 验证是否启动成功
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//通过查询正在运行的流程实例来判断</span></span></span></span>
    ProcessInstanceQuery processInstanceQuery = runtimeService.createProcessInstanceQuery();
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//根据流程实例ID来查询</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><ProcessInstance> runningList = processInstanceQuery.processInstanceId(instance.getProcessInstanceId()).list();
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"根据流程ID查询条数:{}"</span></span></span></span>, runningList.size());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  返回流程ID
     */</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> instance.getId();
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>查看当前流程图</p>

     * @param instanceId 流程实例

     * @param response void 响应

     * @author FRH

     * @time 2018年12月10日上午11:14:12

     * @version 1.0

     /

@ResponseBody

@RequestMapping(value="/showImg")

public void showImg(String instanceId, HttpServletResponse response) {

/

* 参数校验

*/
logger.info("查看完整流程图！流程实例ID:{}", instanceId);

if(StringUtils.isBlank(instanceId)) return;



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  获取流程实例
     */</span></span></span></span>
    HistoricProcessInstance processInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(instanceId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(processInstance == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.error(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}没查询到流程实例！"</span></span></span></span>, instanceId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span>;
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 根据流程对象获取流程对象模型</span></span></span></span>
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看已执行的节点集合
     *  获取流程历史中已执行节点，并按照节点在流程中执行先后顺序排序
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 构造历史流程查询</span></span></span></span>
    HistoricActivityInstanceQuery historyInstanceQuery = historyService.createHistoricActivityInstanceQuery().processInstanceId(instanceId);
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 查询历史节点</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><HistoricActivityInstance> historicActivityInstanceList = historyInstanceQuery.orderByHistoricActivityInstanceStartTime().asc().list();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(historicActivityInstanceList == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span> || historicActivityInstanceList.size() == <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">0</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}没有历史节点信息！"</span></span></span></span>, instanceId);
        outputImg(response, bpmnModel, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span>;
    }
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 已执行的节点ID集合(将historicActivityInstanceList中元素的activityId字段取出封装到executedActivityIdList)</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> executedActivityIdList = historicActivityInstanceList.stream().map(item -> item.getActivityId()).collect(Collectors.toList());
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  获取流程走过的线
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取流程定义</span></span></span></span>
    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService).getDeployedProcessDefinition(processInstance.getProcessDefinitionId());
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> flowIds = ActivitiUtils.getHighLightedFlows(bpmnModel, processDefinition, historicActivityInstanceList);
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 输出图像，并设置高亮
     */</span></span></span></span>
    outputImg(response, bpmnModel, flowIds, executedActivityIdList);
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>员工提交申请</p>

     * @param request 请求

     * @return String 申请受理结果

     * @author FRH

     * @time 2018年12月10日上午11:15:09

     * @version 1.0

     /

@RequestMapping(value="/employeeApply")

@ResponseBody

public String employeeApply(HttpServletRequest request){

/

* 获取请求参数

*/
String taskId = request.getParameter("taskId"); // 任务ID

String jobNumber = request.getParameter("jobNumber"); // 工号

String leaveDays = request.getParameter("leaveDays"); // 请假天数

String leaveReason = request.getParameter("leaveReason"); // 请假原因



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查询任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }

    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 参数传递并提交申请
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"days"</span></span></span></span>, leaveDays);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"date"</span></span></span></span>, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> Date());
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"reason"</span></span></span></span>, leaveReason);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"jobNumber"</span></span></span></span>, jobNumber);
    taskService.complete(task.getId(), map);
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"执行【员工申请】环节，流程推动到【上级审核】环节"</span></span></span></span>);
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 返回成功
     */</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}


<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>跳转到上级审核页面</p>

     * @return String 页面

     * @author FRH

     * @time 2018年12月5日下午2:31:42

     * @version 1.0

     /

@RequestMapping(value="/viewTask")

public String toHigherAudit(String taskId, HttpServletRequest request) {

/

* 获取参数

*/
logger.info("跳转到任务详情页面，任务ID:{}", taskId);

if(StringUtils.isBlank(taskId)) return "/higherAudit";



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看任务详细信息
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}不存在！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/higherAudit"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> paramMap = taskService.getVariables(taskId);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"task"</span></span></span></span>, task);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"paramMap"</span></span></span></span>, paramMap);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"higherAudit"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>跳转到部门经理审核页面</p>

     * @param taskId 任务ID

     * @param request 请求

     * @return String 响应页面

     * @author FRH

     * @time 2018年12月6日上午9:54:34

     * @version 1.0

     /

@RequestMapping(value="/viewTaskManager")

public String viewTaskManager(String taskId, HttpServletRequest request) {

/

* 获取参数

*/
logger.info("跳转到任务详情页面，任务ID:{}", taskId);

if(StringUtils.isBlank(taskId)) return "/manageAudit";



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看任务详细信息
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}不存在！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/manageAudit"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> paramMap = taskService.getVariables(taskId);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"task"</span></span></span></span>, task);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"paramMap"</span></span></span></span>, paramMap);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"manageAudit"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>上级审核</p>

     * @param request 请求

     * @return String 受理结果

     * @author FRH

     * @time 2018年12月10日上午11:19:44

     * @version 1.0

     /

@ResponseBody

@RequestMapping(value="/higherLevelAudit")

public String higherLevelAudit(HttpServletRequest request) {

/

* 获取请求参数

*/
String taskId = request.getParameter("taskId");

String higherLevelOpinion = request.getParameter("sug");

String auditStr = request.getParameter("audit");

logger.info("上级审核任务ID:{}", taskId);

if(StringUtils.isBlank(taskId)) return "fail";



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查找任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"审核任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 设置局部变量参数，完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"audit"</span></span></span></span>, <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"1"</span></span></span></span>.equals(auditStr) ? <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">false</span></span></span></span> : <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">true</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"higherLevelOpinion"</span></span></span></span>, higherLevelOpinion);
    taskService.complete(taskId, map);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>部门经理审核</p>

     * @param request 请求

     * @return String 受理结果

     * @author FRH

     * @time 2018年12月10日上午11:20:44

     * @version 1.0

     /

@ResponseBody

@RequestMapping(value="/divisionManagerAudit")

public String divisionManagerAudit(HttpServletRequest request) {

/

* 获取请求参数

*/
String taskId = request.getParameter("taskId");

String opinion = request.getParameter("sug");

String auditStr = request.getParameter("audit");

logger.info("上级审核任务ID:{}", taskId);

if(StringUtils.isBlank(taskId)) return "fail";



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查找任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"审核任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 设置局部变量参数，完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"audit"</span></span></span></span>, <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"1"</span></span></span></span>.equals(auditStr) ? <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">false</span></span></span></span> : <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">true</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"managerOpinion"</span></span></span></span>, opinion);
    taskService.complete(taskId, map);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}


<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>查看任务</p>

     * @param request 请求

     * @return String  任务展示页面

     * @author FRH

     * @time 2018年12月10日上午11:21:33

     * @version 1.0

     /

@RequestMapping(value="/toShowTask")

public String toShowTask(HttpServletRequest request) {

/

* 获取请求参数

*/
List<Task> taskList = taskService.createTaskQuery().list();

if(taskList == null || taskList.size() == 0) {

logger.info("查询任务列表为空！");

return "/task";

}



    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查询所有任务，并封装
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>> resultList = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>>();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span>(Task task : taskList) {
        <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>();
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"taskId"</span></span></span></span>, task.getId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"name"</span></span></span></span>, task.getName());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"createTime"</span></span></span></span>, task.getCreateTime().toString());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"assignee"</span></span></span></span>, task.getAssignee());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"instanceId"</span></span></span></span>, task.getProcessInstanceId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"executionId"</span></span></span></span>, task.getExecutionId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"definitionId"</span></span></span></span>, task.getProcessDefinitionId());
        resultList.add(map);
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 返回结果
     */</span></span></span></span>
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"返回集合:{}"</span></span></span></span>, resultList.toString());
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"resultList"</span></span></span></span>, resultList);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/task"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>输出图像</p>

     * @param response 响应实体

     * @param bpmnModel 图像对象

     * @param flowIds 已执行的线集合

     * @param executedActivityIdList void 已执行的节点ID集合

     * @author FRH

     * @time 2018年12月10日上午11:23:01

     * @version 1.0

     */
private void outputImg(HttpServletResponse response, BpmnModel bpmnModel, List<String> flowIds, List<String> executedActivityIdList) {

InputStream imageStream = null;

try {

imageStream = processDiagramGenerator.generateDiagram(bpmnModel, executedActivityIdList, flowIds, "宋体", "微软雅黑", "黑体", true, "png");

// 输出资源内容到相应对象

byte[] b = new byte[1024];

int len;

while ((len = imageStream.read(b, 0, 1024)) != -1) {

response.getOutputStream().write(b, 0, len);

}

response.getOutputStream().flush();

}catch(Exception e) {

logger.error("流程图输出异常！", e);

} finally { // 流关闭

StreamUtils.closeInputStream(imageStream);

}

}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**




     * <p>判断流程是否完成</p>

     * @param processInstanceId 流程实例ID

     * @return boolean 已完成-true，未完成-false

     * @author FRH

     * @time 2018年12月10日上午11:23:26

     * @version 1.0

     */
public boolean isFinished(String processInstanceId) {

return historyService.createHistoricProcessInstanceQuery().finished().processInstanceId(processInstanceId).count() > 0;

}




}


<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程定义和部署相关的存储服务 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private RepositoryService repositoryService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程运行时相关的服务 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private RuntimeService runtimeService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 节点任务相关操作接口 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private TaskService taskService;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 流程图生成器 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private ProcessDiagramGenerator processDiagramGenerator;

<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis"><span class="hljs-comment"><span class="markdown"><span class="hljs-emphasis">** 历史记录相关服务接口 *</span></span></span></span></span></span></span></span></span></span><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/</span></span></span></span></span></span></span></span>
<span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta"><span class="hljs-meta">@Autowired</span></span></span></span>
private HistoryService historyService;



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  设置流程参数，开启流程
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>,<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>,<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"jobNumber"</span></span></span></span>,<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"A1001"</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"busData"</span></span></span></span>,<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"bus data"</span></span></span></span>);
    ProcessInstance instance = runtimeService.startProcessInstanceByKey(instanceKey, map);<span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//使用流程定义的key启动流程实例，key对应helloworld.bpmn文件中id的属性值，使用key值启动，默认是按照最新版本的流程定义启动</span></span></span></span>
    
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"启动流程实例成功:{}"</span></span></span></span>, instance);
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}"</span></span></span></span>, instance.getId());
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程定义ID:{}"</span></span></span></span>, instance.getProcessDefinitionId());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 验证是否启动成功
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//通过查询正在运行的流程实例来判断</span></span></span></span>
    ProcessInstanceQuery processInstanceQuery = runtimeService.createProcessInstanceQuery();
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">//根据流程实例ID来查询</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><ProcessInstance> runningList = processInstanceQuery.processInstanceId(instance.getProcessInstanceId()).list();
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"根据流程ID查询条数:{}"</span></span></span></span>, runningList.size());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  返回流程ID
     */</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> instance.getId();
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  获取流程实例
     */</span></span></span></span>
    HistoricProcessInstance processInstance = historyService.createHistoricProcessInstanceQuery().processInstanceId(instanceId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(processInstance == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.error(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}没查询到流程实例！"</span></span></span></span>, instanceId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span>;
    }
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 根据流程对象获取流程对象模型</span></span></span></span>
    BpmnModel bpmnModel = repositoryService.getBpmnModel(processInstance.getProcessDefinitionId());
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看已执行的节点集合
     *  获取流程历史中已执行节点，并按照节点在流程中执行先后顺序排序
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 构造历史流程查询</span></span></span></span>
    HistoricActivityInstanceQuery historyInstanceQuery = historyService.createHistoricActivityInstanceQuery().processInstanceId(instanceId);
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 查询历史节点</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><HistoricActivityInstance> historicActivityInstanceList = historyInstanceQuery.orderByHistoricActivityInstanceStartTime().asc().list();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(historicActivityInstanceList == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span> || historicActivityInstanceList.size() == <span class="hljs-number"><span class="hljs-number"><span class="hljs-number"><span class="hljs-number">0</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"流程实例ID:{}没有历史节点信息！"</span></span></span></span>, instanceId);
        outputImg(response, bpmnModel, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span>;
    }
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 已执行的节点ID集合(将historicActivityInstanceList中元素的activityId字段取出封装到executedActivityIdList)</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> executedActivityIdList = historicActivityInstanceList.stream().map(item -> item.getActivityId()).collect(Collectors.toList());
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  获取流程走过的线
     */</span></span></span></span>
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">// 获取流程定义</span></span></span></span>
    ProcessDefinitionEntity processDefinition = (ProcessDefinitionEntity) ((RepositoryServiceImpl) repositoryService).getDeployedProcessDefinition(processInstance.getProcessDefinitionId());
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> flowIds = ActivitiUtils.getHighLightedFlows(bpmnModel, processDefinition, historicActivityInstanceList);
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 输出图像，并设置高亮
     */</span></span></span></span>
    outputImg(response, bpmnModel, flowIds, executedActivityIdList);
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查询任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }

    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 参数传递并提交申请
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"days"</span></span></span></span>, leaveDays);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"date"</span></span></span></span>, <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> Date());
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"reason"</span></span></span></span>, leaveReason);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"jobNumber"</span></span></span></span>, jobNumber);
    taskService.complete(task.getId(), map);
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"执行【员工申请】环节，流程推动到【上级审核】环节"</span></span></span></span>);
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 返回成功
     */</span></span></span></span>
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}


<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看任务详细信息
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}不存在！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/higherAudit"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> paramMap = taskService.getVariables(taskId);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"task"</span></span></span></span>, task);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"paramMap"</span></span></span></span>, paramMap);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"higherAudit"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     *  查看任务详细信息
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"任务ID:{}不存在！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/manageAudit"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> paramMap = taskService.getVariables(taskId);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"task"</span></span></span></span>, task);
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"paramMap"</span></span></span></span>, paramMap);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"manageAudit"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查找任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"审核任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 设置局部变量参数，完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"audit"</span></span></span></span>, <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"1"</span></span></span></span>.equals(auditStr) ? <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">false</span></span></span></span> : <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">true</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"higherLevelOpinion"</span></span></span></span>, higherLevelOpinion);
    taskService.complete(taskId, map);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查找任务
     */</span></span></span></span>
    Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">if</span></span></span></span>(task == <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">null</span></span></span></span>) {
        logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"审核任务ID:{}查询到任务为空！"</span></span></span></span>, taskId);
        <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"fail"</span></span></span></span>;
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 设置局部变量参数，完成任务
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Object</span></span></span></span>>();
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"audit"</span></span></span></span>, <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"1"</span></span></span></span>.equals(auditStr) ? <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">false</span></span></span></span> : <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">true</span></span></span></span>);
    map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"managerOpinion"</span></span></span></span>, opinion);
    taskService.complete(taskId, map);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"success"</span></span></span></span>;
}


<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 查询所有任务，并封装
     */</span></span></span></span>
    <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">List</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>> resultList = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> ArrayList<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>>();
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">for</span></span></span></span>(Task task : taskList) {
        <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">Map</span></span></span></span><<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>> map = <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">new</span></span></span></span> HashMap<<span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>, <span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in"><span class="hljs-built_in">String</span></span></span></span>>();
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"taskId"</span></span></span></span>, task.getId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"name"</span></span></span></span>, task.getName());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"createTime"</span></span></span></span>, task.getCreateTime().toString());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"assignee"</span></span></span></span>, task.getAssignee());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"instanceId"</span></span></span></span>, task.getProcessInstanceId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"executionId"</span></span></span></span>, task.getExecutionId());
        map.put(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"definitionId"</span></span></span></span>, task.getProcessDefinitionId());
        resultList.add(map);
    }
    
    
    <span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment"><span class="hljs-comment">/*
     * 返回结果
     */</span></span></span></span>
    logger.info(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"返回集合:{}"</span></span></span></span>, resultList.toString());
    request.setAttribute(<span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"resultList"</span></span></span></span>, resultList);
    <span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword"><span class="hljs-keyword">return</span></span></span></span> <span class="hljs-string"><span class="hljs-string"><span class="hljs-string"><span class="hljs-string">"/task"</span></span></span></span>;
}



<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**
<span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown"><span class="hljs-comment"><span class="markdown">/**

7. 效果

SpringBoot系列——Activiti7工作流引擎（二）


    看出Activiti默认使用Spring的security，添加配置，关闭安全认证，如下： 

 # 关闭activiti登录验证
security:
  basic:
    enabled: false

    重启后继续访问，可正常进入首页（如还是无法进入首页，请添加@EnableAutoConfiguration(exclude = {org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration.class})，或者从pom.xml中移除Security包）：

SpringBoot系列——Activiti7工作流引擎（二）


    点击我要请假后，得到流程实例ID，再查看流程图，如下：

SpringBoot系列——Activiti7工作流引擎（二）

    附上首页/index.html代码，其它页面相比比较简单：

最主要的是给自己增加知识的储备，有备无患。最后给大家分享Spring系列的学习笔记和面试题，包含spring面试题、spring cloud面试题、spring boot面试题、spring教程笔记、spring boot教程笔记、最新阿里巴巴开发手册（63页PDF总结）、2022年Java面试手册。一共整理了1184页PDF文档。私信博主（666）领取，祝大家更上一层楼！！！

如果本文对你有帮助，别忘记给我个3连 ，点赞，转发，评论，

咱们下期见！学习更多JAVA知识与技巧（获取原文），关注与私信博主（666）

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文章来源：智云一二三科技

文章标题：SpringBoot系列——Activiti7工作流引擎（二）

文章地址：https://www.zhihuclub.com/186739.shtml

关于作者: 智云科技

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