php 使用curl模拟登录人人(校内)网的简单实例

$login_url = 'http://passport.renren.com/PLogin.do';  $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, 1); curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 1); curl_setopt($ch, CURLOPT_AUTOREFERER, 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);  //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($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 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);