SmsSdkAppId = $param["SmsSdkAppId"]; } if (array_key_exists("SerialNo",$param) and $param["SerialNo"] !== null) { $this->SerialNo = $param["SerialNo"]; } if (array_key_exists("ConversionTime",$param) and $param["ConversionTime"] !== null) { $this->ConversionTime = $param["ConversionTime"]; } } }