php模拟远程登录示例代码

<?php
!extension_loaded('curl') && die('the curl extension is not loaded.');  
 
$baseurl   = 'http://127.0.0.1';//根地址
$login_url = $baseurl .'/login.php?act=login';//登录页地址  
$get_url   = $baseurl .'/index.php'; //需要采集的页面  
 
$post_fields = array();
 
//以下两项需要修改  
$post_fields['name'] = 'admin';  
$post_fields['pass'] = '123456';  
 
//获取表单formhash  
$ch = curl_init($login_url);  
curl_setopt($ch, curlopt_header, 0);  
curl_setopt($ch, curlopt_returntransfer, 1);  
$contents = curl_exec($ch);  
curl_close($ch);  
 
//post数据，获取cookie  
$cookie_file = dirname(__file__) . '/cookie.txt';  
$ch = curl_init($login_url);  
curl_setopt($ch, curlopt_header, 0);  
curl_setopt($ch, curlopt_returntransfer, 1);  
curl_setopt($ch, curlopt_post, 1);  
curl_setopt($ch, curlopt_postfields, $post_fields);  
curl_setopt($ch, curlopt_cookiejar, $cookie_file);  
curl_exec($ch);  
curl_close($ch);  
 
//使用以上获取的cookie登录后才能查看的页面内容  
$ch = curl_init($get_url);  
curl_setopt($ch, curlopt_header, 0);  
curl_setopt($ch, curlopt_returntransfer, 0);  
curl_setopt($ch, curlopt_cookiefile, $cookie_file); 
$mycontents = curl_exec($ch);  
curl_close($ch);  
 
var_dump($mycontents);