CURL请求接口

private function  http_curl($url,$data=null){

//1.初始化，创建一个新cURL资源
         
        $ch = curl_init();
         
        //2.设置URL和相应的选项
         
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,FALSE);
        curl_setopt($ch,CURLOPT_SSL_VERIFYHOST,FALSE);
        //curl_setopt($ch, CURLOPT_HEADER, 0);
         if(!empty($data)){
            curl_setopt($ch,CURLOPT_POST,1);   
            curl_setopt($ch,CURLOPT_POSTFIELDS,$data);
         }

curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);//禁止curl资源直接输出
        //3.抓取URL并把它传递给浏览器  
        $opt=curl_exec($ch);
        //4.关闭cURL资源，并且释放系统资源
        curl_close($ch);
        return $opt;
    }