php如何模拟爬虫获取其它站点网页内容?
demo代码如下:
<?php
header('Access-Control-Allow-Origin:*');
header('Access-Control-Allow-Methods:POST,GET,OPTIONS');
header('Access-Control-Allow-Headers: X-Requested-With,X_Requested_With,X-PINGOTHER,Content-Type');
header('Access-Control-Allow-Headers:Authorization,lpy');
$url = $_GET['url'];
$opts = array(
'http'=>array(
'method'=>"GET",
"timeout"=>20,
'header'=>"User-Agent: Spider \r\n",
)
);
$context = stream_context_create($opts);
$html = file_get_contents($url,0,$context,0,150000);
echo $html;
?>
作者:徐文焱