基于ajax与msmq技术的消息推送功能实现代码

namespace SenderApp
{
  public partial class Form1 : Form
  {
    private string queueName = @".\Private$\pushQueue";
    private MessageQueue pushQueue = null;
    
    public Form1()
    {
      InitializeComponent();
    }

    private void button1_Click(object sender, EventArgs e)
    {
      try
      {
        var queue = this.GetQueue();
        if (string.IsNullOrEmpty(this.textBox1.Text)) { this.label1.Text = "推送消息不能为空"; return; }
        queue.Send(this.textBox1.Text, "messagePush");
        this.label1.Text = "消息推送成功";
      }
      catch (Exception ex)
      {
        this.label1.Text = string.Format("消息推送失败：{0}",ex.Message);
      }
    }

    private MessageQueue GetQueue()
    {
      if (this.pushQueue == null)
      {
        if (!MessageQueue.Exists(queueName))
        {
          this.pushQueue = MessageQueue.Create(queueName);
        }
        else
        {
          this.pushQueue = new MessageQueue(queueName);
        }
      }
      return this.pushQueue;
    }

    private void textBox1_MouseDown(object sender, MouseEventArgs e)
    {
      this.textBox1.Text = "";
      this.label1.Text = "推送状态";
    }
  }
}

namespace MessagePushWeb.Controllers
{
  public class HomeController : Controller
  {
    private static string queueName = @".\Private$\pushQueue";
    private static MessageQueue pushQueue = null;

    public ActionResult Index()
    {
      return View();
    }

    public async Task<ActionResult> GetMessage()
    {
      string msg = await Task.Run(() => {
        return this.ReadMessage();
      });
      
      return Content(msg);
    }


    private MessageQueue GetQueue()
    {
      if (pushQueue == null)
      {
        if (MessageQueue.Exists(queueName))
        {
          pushQueue = new MessageQueue(queueName);
          pushQueue.Formatter = new XmlMessageFormatter(new string[] { "System.String" });
        }
      }
      return pushQueue;
    }

    private string ReadMessage()
    {
      var queue = GetQueue();
      Message message = queue.Receive();
      return message.Body.ToString();
    }
  }
}

@{
  ViewBag.Title = "Push";
}


<h2>Push</h2>

<div>接收消息列表</div>
<div id="msg"></div>

<script type="text/javascript">
  $(function () {
    getMessage();
  });


  function getMessage() {
    $.get("/home/getmessage", {}, function (data) {
      var _msg = $("#msg").html();
      $("#msg").html(_msg + "<li>" + data + "</li>");
      getMessage();
    });
   }
</script>