//通过curl模拟post的请求；

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,3);  //定义超时3秒钟

     // 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，就ok了

    //执行并获取url地址的内容

    $output = curl_exec($ch);

    $errorCode = curl_errno($ch);

    //释放curl句柄

    curl_close($ch);

    if(0 !== $errorCode) {

        return false;

    }

    return $output;

}