介绍
原理其实就是让Spring Boot直接访问本地静态资源，类似于 nginx 吧，nginx还得配置，Spring Boot加个配制就行
配置
第一种方式
application.xml中加入如下配置
static-locations为本地资源路径
linux以/表示根目录，windows下可以用file:D来映射
spring:
mvc :
static-path-pattern: /**
resources:
static-locations: file:D:/image/
这样直接通过浏览器就能访问我D盘下面image文件中的内容，放点图片，视频，pdf
搭建一个图片，视频，pdf服务器就是这么简单
第二种方式
和上面其实差不多，配置方式改为java，图片方便大家看，代码方便大家粘贴
@Configuration
public class WebMvcConfig extends WebMvcConfigurationSupport {
@Override
protected void addResourceHandlers(ResourceHandlerRegistry registry) {
registry.addResourceHandler("/**")
.addResourceLocations("file:D:/image/");
}
}
来看效果
我把静态资源都放在D:/image这个目录下
各种本地资源都能展示
图片
视频
为了方便大家上传资源，我连上传代码也给大家准备好了
上传资源代码
想要让spring boot项目支持显示 html 页面，先加入如下依赖
<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-thymeleaf</artifactId> </dependency>
上传文件的controller，用Controller注解，跳转到testload.html页面
@Controller
public class TestUploadFile {
@RequestMapping(value = "testupload", method = RequestMethod.GET)
public String testUpload() {
return "testload";
}
}
在templates目录下放testload.html
<!DOCTYPE html> <html lang="zn"> <head> <meta charset="UTF-8"/> <title>Title</title> </head> <body> springmvc上传文件 <form name="form1" action="/wx/user/uploadImage" method="post" enctype="multipart/form-data"> <input type="file" name="upload_file" /> <input type="submit" value="springboot上传文件" /> </form> </body> </html>
页面效果如下，可以美化一下哈
controller写成如下形式
@PostMapping(value = "uploadImage")
public ServerResponse upload(@RequestParam(value = "upload_file", required = false)MultipartFile file) {
}
上传代码如下：
// 第一个参数文件，第二个参数路径
@Override
public String upload(MultipartFile file, String path) {
// 得到上传的文件名
String fileName = file.getOriginalFilename();
// 文件到扩展名
String fileExtensionName = fileName.substring(fileName.lastIndexOf(".") + 1);
// 重新生成fileName是为了防止覆盖
String uploadFileName = UUID.randomUUID().toString() + "." + fileExtensionName;
//{}是占位符
log.info("start upload file，old fileName: {}，upload path: {}，new fileName: {}", fileName, path, uploadFileName);
//创建所需的文件
File fileDir = new File(path);
if (! fileDir. exists ()) {
fileDir.setWritable(true);
//创建该目录下的抽象路径名命名，包括任何必要的但不存在父目录。
fileDir.mkdirs();
}
File targetFile = new File(path, uploadFileName);
try {
file.transferTo(targetFile);
} catch (IOException e) {
log.error("image upload fail", e);
return null;
}
return "上传成功";
}
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