.Net SDK

您可以通过NuGet程序包管理器来安装，在解决方案资源管理器面板中，右键单击您的项目选择管理NuGet程序包菜单，在打开的NuGet管理面板中单击浏览选项卡输入aliyun-net-sdk-core，选择并单击安装即可。

dotnet add package aliyun-net-sdk-core

您可以使用git clone或其它手段下载aliyun-net-sdk-core并自行添加解决方案。下载安装包，请参见SDK 核心库。

using System;
using Aliyun.Acs.Core;
using Aliyun.Acs.Core.Profile;
using Aliyun.Acs.Core.Exceptions;
using Aliyun.Acs.Core.Http;

namespace CommonRequestDemo
{
    class Program
    {
        static void Main(string[] args)
        {
            IClientProfile profile = DefaultProfile.GetProfile("ap-northeast-1", "<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", "1503871****"); //接收短信的手机号码
            request.AddQueryParameters("SignName", "阿里云测试专用"); //短信签名名称
            request.AddQueryParameters("TemplateCode", "SMS_20933****"); //短信模板CODE
            request.AddQueryParameters("TemplateParam", "{\"code\":\"1111\"}"); //短信模板变量对应的实际值，JSON格式
            try {
                CommonResponse response = client.GetCommonResponse(request);
                Console.WriteLine(System.Text.Encoding.Default.GetString(response.HttpResponse.Content));
            }
            catch (ServerException e)
            {
                Console.WriteLine(e);
            }
            catch (ClientException e)
            {
                Console.WriteLine(e);
            }
        }
    }
}

{  "RequestId": "614048FB-0619-4439-A1D5-AA8B218A****",  "Message": "OK",  "BizId": "386715418801811068^0",  "Code": "OK"}