PHP curl传 json字符串

　　　　 $ch = curl_init();

        curl_setopt($ch, CURLOPT_POST, 1);

        curl_setopt($ch, CURLOPT_URL, $url);

        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);

        curl_setopt( $ch, CURLOPT_SSL_VERIFYPEER, false );

         curl_setopt( $ch, CURLOPT_SSL_VERIFYHOST, false );

        curl_setopt($ch, CURLOPT_HTTPHEADER, array(

            'Content-Type: application/json; charset=utf-8',

            'Content-Length: '.strlen($data))

 　　　　);

服务端获取：

 　　$GLOBALS['HTTP_RAW_POST_DATA']