PHP获取指定网页的HTML代码并执行输出，这个方法主要是将所要或取目标的URL地址的网站中获取相关内容到自己的网页中。
代码如下：
<?php $srcurl = "所要截取目标的URL地址"; $handle = fopen($srcurl,"rb"); $content = fread($handle,10240000); $start_position=strpos($content,'截取内容开始代码A'); $start_position=$start_position+strlen('截取内容开始代码A'); $end_position=strpos($content,' 截取内容结束代码C'); $length=$end_position-$start_position; $content=substr($content,$start_position,$length); echo 'document.write("'.$content.'")'; ?>
这样就可以截取所需的内容B。追后赋予$content，我在最后加上了echo ‘document.write为的是这样就生成了JS代码。 直接就成了JS代码可直接在我想需要此内容的地方用JS调用显示。这个你用php是不能获得的，它又不是通过get或post提交的 可以给你的< td >一个id，然后通过 document.getElementByIdx_x_x_x(“name”).inner Html 就可以获得了
代码库
导入指定网站或页面代码如下：
HP 获取指定网站、网页、URL 的 <head> 标题：
获取网页的标题：
<?
$url = '
$lines_array = file($url);
$lines_string = implode('', $lines_array);
eregi("<head>(.*)</head>", $lines_string, $head);
echo $head[0];
?>
HP 获取网页的 Html 源代码输出并执行：
<?php
$lines = file('
foreach ($lines as $line_num => $line) {
echo $line;
}
?>
获取网页Html源代码输出并执行2：
<?php
echo file_get_contents("");
?>
PHP 获取指定网站、网页、URL 的 Html 源代码：
获取网页Html源代码：
<?php
$lines = file('
foreach ($lines as $line_num => $line) {
echo "Line <b>{$line_num}</b> : " . htmlspecialchars($line) . "<br />n";
}
?>
特定网页的特定代码段
<?php
$url = "";
$contents = file_get_contents($url);
//如果出现中文乱码使用下面代码
//$getcontent = iconv("gb2312", "utf-8",$contents);
//echo $contents;
$from="<div id="Cnt-Main-Article-QQ"><P style="TEXT-INDENT: 2em">";
$end="</div>";
$q=cut($contents, $from, $end);
echo $q;
function cut($file,$from,$end){
$ message = explode ($from,$file);
$message=explode($end,$message[1]);
return $message[0];
}
?>
PHP 查找、判断 字符串 在另一个字符串中是否存在：
<?php
if(stristr("www.****.com", "****.com"))
{
echo "查询关键词";
}
?>
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