/*
     * $url post请求地址
     * $rawData post参数
     */
    function curl_post_raw($url,$rawData){
        $ch = curl_init();
        curl_setopt($ch,CURLOPT_URL,$url);
        curl_setopt($ch,CURLOPT_HEADER,0);
        curl_setopt($ch,CURLOPT_RETURNTRANSFER,1);
        curl_setopt($ch,CURLOPT_CONNECTTIMEOUT,10);
        curl_setopt($ch,CURLOPT_POST,1);
        curl_setopt($ch,CURLOPT_SSL_VERIFYPEER,false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $rawData);
        $data = curl_exec($ch);
        curl_close($ch);
        return $data;
    }