public static function SendDataByCurl($url,$data=array()){
      //对空格进行转义     $url = str_replace(' ','+',$url);     $ch = curl_init();     //设置选项，包括URL     curl_setopt($ch, CURLOPT_URL, "$url");     curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);     curl_setopt($ch, CURLOPT_HEADER, 0);     curl_setopt($ch,CURLOPT_TIMEOUT,30);  //定义超时30秒钟     curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4 );     // POST数据     curl_setopt($ch, CURLOPT_POST, 1);     // 把post的变量加上     curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));//所需传的数组用http_bulid_query()函数处理一下     //执行并获取url地址的内容     $output = curl_exec($ch);     $errorCode = curl_errno($ch);     $httpCode = curl_getinfo($ch,CURLINFO_HTTP_CODE);     if($httpCode != 200) {
          $msg = 'curl访问错误';         Common::recordLogs(333, $errorCode,$msg);     }     //释放curl句柄     curl_close($ch);     if(0 !== $errorCode) {
          return false;     }     return $output; }