php模拟远程登录示例代码

!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);