.net调用阿里短信接口

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Aliyun.Acs.Core;
using Aliyun.Acs.Core.Exceptions;
using Aliyun.Acs.Core.Http;
using Aliyun.Acs.Core.Profile;
using Microsoft.AspNetCore.Mvc;

namespace NoteDemo.Controllers
{
    [Route("api/[controller]")]
    [ApiController]
    public class ValuesController : ControllerBase
    {
        // GET api/values
        [HttpGet]
        public ActionResult<string> Get()
        {
            var msg = "";
            //注意刚刚下载的AccessKey的excel中的accessKeyId和accessSecret填入
            IClientProfile profile = DefaultProfile.GetProfile("default", "<accessKeyId>", "<accessSecret>");
            DefaultAcsClient client = new DefaultAcsClient(profile);
            CommonRequest request = new CommonRequest();
            request.Method = MethodType.POST;
            request.Domain = "dysmsapi.aliyuncs.com";
            request.Version = "2017-05-25";
            request.Action = "SendSms";
            // request.Protocol = ProtocolType.HTTP;
            request.AddQueryParameters("PhoneNumbers", "手机号");
            request.AddQueryParameters("SignName", "签名");
            request.AddQueryParameters("TemplateCode", "模板");
            // request.Protocol = ProtocolType.HTTP;

            try
            {
                CommonResponse response = client.GetCommonResponse(request);
                msg=System.Text.Encoding.Default.GetString(response.HttpResponse.Content);
            }
            catch (ServerException e)
            {
                msg = e.ErrorMessage;
            }
            catch (ClientException e)
            {
                msg = e.ErrorMessage;
            }
            return msg;
        }
    }
}