使用短信通发短信

    class Program
    {
        static string url = "http://180.97.163.89:8012/OpenPlatform/OpenApi";
        static void Main(string[] args)
        {
         
            var t = Task.Run(() => PostMessage());
            t.Wait();



        }

        public static async Task PostMessage()
        {
            var pairs = new List<KeyValuePair<string, string>>
                        {
                            new KeyValuePair<string, string>( "action", "sendOnce" ), 
                            new KeyValuePair<string, string>( "ac", "1001@" ), 
                            new KeyValuePair<string, string>( "authkey", "D5528AA2EEED774746754FF9CE36DA8D" ), 
                            new KeyValuePair<string, string>( "cgid", "6" ), 
                            new KeyValuePair<string, string> ( "c", "感谢您使用 爱考位 订单代报，您的订单号是：034421" ),
                            new KeyValuePair<string, string> ( "m", "13429329134" )
                        };
            var content = new FormUrlEncodedContent(pairs);
            using (var client = new HttpClient())
            {
                var response =
                    await client.PostAsync(url, content);
                string jsonMessage = await response.Content.ReadAsStringAsync();
            }

        }
    }