thinkphp 阿里云短信发送函数

function send_sms($mobile,$ParamString){
    require_once './Apps/Common/Libs/aliyun-php-sdk-core/config.php';//引入阿里云sdk
    require_once './Apps/Common/Libs/Dysmsapi/Request/V20170525/SendSmsRequest.php';
    $accessKeyId = C('ACCESS_KEY_ID');//阿里云accessKey
    $accessKeySecret = C("ACCESS_KEY_SECRET");//阿里云accesssecret
    //短信API产品名
    $product = "Dysmsapi";
    //短信API产品域名
    $domain = "dysmsapi.aliyuncs.com";
    //暂时不支持多Region
    $region = "cn-hangzhou";
    //初始化访问的acsCleint
    $profile = DefaultProfile::getProfile($region, $accessKeyId, $accessKeySecret);
    DefaultProfile::addEndpoint("cn-hangzhou", "cn-hangzhou", $product, $domain);
    $acsClient= new DefaultAcsClient($profile);
    $request = new Dysmsapi\Request\V20170525\SendSmsRequest();
    //必填-短信接收号码。支持以逗号分隔的形式进行批量调用，批量上限为20个手机号码,批量调用相对于单条调用及时性稍有延迟,验证码类型的短信推荐使用单条调用的方式
    $request->setPhoneNumbers($mobile);
    //必填-短信签名
    $request->setSignName(C('SMS_SIGN'));
    //必填-短信模板Code
    $request->setTemplateCode(C('SMS_CODE'));
    //选填-假如模板中存在变量须要替换则为必填(JSON格式)
    $request->setTemplateParam($ParamString);
    //选填-发送短信流水号
    $request->setOutId(NOW_TIME);
    //发起访问请求
    $acsResponse = $acsClient->getAcsResponse($request);
    return $acsResponse;
}