代码的顺序不能乱，否则会提交错误 
 $ch = curl_init(); 
        curl_setopt($ch, CURLOPT_URL, $url); 
        curl_setopt($ch, CURLOPT_HEADER, false); 
        curl_setopt($ch, CURLOPT_TIMEOUT, 30); 
        curl_setopt($ch, CURLOPT_POST,true); 
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data); 
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
        curl_setopt($ch, CURLOPT_COOKIE, $cookie); 
        if($header!='') 
        { 
            curl_setopt($ch, CURLOPT_HTTPHEADER, $header); 
        } 
 
        if($https==true) 
        { 
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);//当需要访问https网站的时候一定要避开证书的验证 
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);//当需要访问https网站的时候一定要避开证书的验证 
        } 
        $content = curl_exec($ch); 
        curl_close($ch);