string defaultSenderID="AppName";

string message = "[AppName] Enter this verification code 000000 in your app now.";//消息

string phoneNumber = "+8618372712159";     //手机号

string defaultSMSType = "Promotional";     //Promotional – 不重要的消息|Transactional – 为客户事务处理提供支持的重要消息

SMS_Entity mode = new SMS_Entity() { Contents = message, MobileNumber = phoneNumber };

try

{

    AmazonSimpleNotificationServiceClient snsClient = new AmazonSimpleNotificationServiceClient(awsAccessKeyId, awsSecretAccessKey, RegionEndpoint.APSoutheast1);

    PublishRequest publishReq = new PublishRequest();

    publishReq.Message = message;

    publishReq.PhoneNumber = phoneNumber;

    publishReq.MessageAttributes = new Dictionary<string, MessageAttributeValue>();

    publishReq.MessageAttributes.Add("AWS.SNS.SMS.SenderID", new MessageAttributeValue() { DataType = "String", StringValue = defaultSenderID });

    publishReq.MessageAttributes.Add("AWS.SNS.SMS.SMSType", new MessageAttributeValue() { DataType = "String", StringValue = defaultSMSType });

    PublishResponse response = snsClient.Publish(publishReq);

    mode.Response = JsonConvert.SerializeObject(response);

    mode.SendStatus = response.HttpStatusCode.ToString();

    if (response.HttpStatusCode == System.Net.HttpStatusCode.OK)

        mode.Result = true;

    else

        mode.Result = false;

}

catch (Exception ex)

{

    mode.SendStatus = "error:" + ex.Message;

    mode.Result = false;

}