/*返回一个302地址*/      function  curl_post_302($url, $vars) {           $ch = curl_init();           curl_setopt($ch,  CURLOPT_RETURNTRANSFER, 1);           curl_setopt($ch, CURLOPT_URL,  $url);           curl_setopt($ch, CURLOPT_POST, 1);           curl_setopt($ch,  CURLOPT_FOLLOWLOCATION, 1); // 302 redirect           curl_setopt($ch,  CURLOPT_POSTFIELDS, $vars);           $data = curl_exec($ch);           $Headers =  curl_getinfo($ch);           curl_close($ch);           if ($data != $Headers)           return  $Headers["url"];           else           return false;      }