php 使用curl模拟登录人人(校内)网的简单实例

$post_fields['email'] = 'XXXX';
$post_fields['password'] = 'XXXX';
$post_fields['origURL'] = 'http%3A%2F%2Fhome.renren.com%2FHome.do';
$post_fields['domain'] = 'renren.com';
//cookie文件存放在网站根目录的temp文件夹下
$cookie_file = tempnam('./temp','cookie');

$ch = curl_init($login_url);
curl_setopt($ch,CURLOPT_USERAGENT,'Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-CN; rv:1.9.1.5) Gecko/20091102 Firefox/3.5.5');
curl_setopt($ch,CURLOPT_HEADER,0);
curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
curl_setopt($ch,CURLOPT_MAXREDIRS,CURLOPT_FOLLOWLOCATION,CURLOPT_AUTOREFERER,CURLOPT_POST,CURLOPT_POSTFIELDS,$post_fields);
curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
curl_exec($ch);
curl_close($ch);

//带上cookie文件，访问人人网首页
$send_url='http://home.renren.com/Home.do';
$ch = curl_init($send_url);
curl_setopt($ch,CURLOPT_COOKIEFILE,$cookie_file);
$contents = curl_exec($ch);
curl_close($ch);

//清理cookie文件
unlink($cookie_file);

//输出人人网首页的内容
print_r($contents);