using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Net;
using System.IO;

namespace ConsoleApplication5
{
    class Program
    {
        static void Main(string[] args)
        {
            try
            {

                Encoding myEncoding = Encoding.GetEncoding("utf-8");
                string param = HttpUtility.UrlEncode("account", myEncoding) +
                "=" + HttpUtility.UrlEncode("jz004", myEncoding) +
                "&" + HttpUtility.UrlEncode("password", myEncoding) +
                "=" + HttpUtility.UrlEncode("xxxxx", myEncoding) +
                "&" + HttpUtility.UrlEncode("destmobile", myEncoding) +
                "=" + HttpUtility.UrlEncode("18717830363", myEncoding) +
                "&" + HttpUtility.UrlEncode("msgText", myEncoding) +
                "=" + HttpUtility.UrlEncode("c#的问候c#的问候【建周科技】", myEncoding) +
                "&" + HttpUtility.UrlEncode("sendDateTime", myEncoding) +
                "=" + HttpUtility.UrlEncode("", myEncoding);

                byte[] postBytes = Encoding.ASCII.GetBytes(param);

                HttpWebRequest req = (HttpWebRequest)
                HttpWebRequest.Create("http://www.jianzhou.sh.cn/JianzhouSMSWSServer/http/sendBatchMessage");
                req.Method = "POST";
                req.ContentType =
                "application/x-www-form-urlencoded;charset=utf-8";
                req.ContentLength = postBytes.Length;

                using (Stream reqStream = req.GetRequestStream())
                {
                    reqStream.Write(postBytes, 0, postBytes.Length);
                }
                //using (WebResponse wr = req.GetResponse())
                //{
                //在这里对接收到的页面内容进行处理  
                //} 
            }
            catch (System.Exception ex)
            {
                Console.WriteLine(ex.Message);
            }
        }
    }
}