Java中使用websocket实现在线聊天功能

 public class TestWebSocketController : Controller
  {
    WebSocketServer server;
    List<SessionInfo> listSession = new List<SessionInfo>();
    public ActionResult Index()
    {
      return View();
    }
    //服务启动
    public string Start()
    {
      var ip = "192.168.1.106";
      var port = "1010";
      server = new WebSocketServer();
      if (!server.Setup(ip, int.Parse(port)))
      {
        return "WebSocket服务启动Error";
      }
      //新的会话连接
      server.NewSessionConnected += SessionConnected;
      //会话关闭
      server.SessionClosed += SessionClosed;
      //新的消息接收
      server.NewMessageReceived += MessageReceived;
      if (!server.Start())
      {
        //处理监听失败消息
        return "error";
      }
      return "success";
    }
    /// <summary>
    /// 会话关闭
    /// </summary>
    /// <param name="session"></param>
    /// <param name="value"></param>
    private void SessionClosed(WebSocketSession session, SuperSocket.SocketBase.CloseReason value)
    {
      Debug.WriteLine("会话关闭，关闭原因：{0} 来自：{1} 时间:{2:HH:MM:ss}", value, session.RemoteEndPoint, DateTime.Now);
      //SendMsgToRemotePoint(SessionId, SessionId + "已断开");
      var sessionRemove = listSession.FirstOrDefault(s => s.SessionId == session.SessionID);
      listSession.Remove(sessionRemove);
    }
    /// <summary>
    /// 会话连接
    /// </summary>
    /// <param name="session"></param>
    private void SessionConnected(WebSocketSession session)
    {
      Debug.WriteLine("新的会话连接 来自：{0} SessionID:{1} 时间:{2:HH:MM:ss}", session.RemoteEndPoint, session.SessionID, DateTime.Now);
      listSession.Add(new SessionInfo { SessionId = session.SessionID, EndPoint = session.RemoteEndPoint.ToString() });
    }
    /// <summary>
    /// 消息接收
    /// </summary>
    /// <param name="session"></param>
    /// <param name="value"></param>
    private void MessageReceived(WebSocketSession session, string value)
    {
      //反序列化消息内容
      var message = JsonConvert.DeserializeObject<MessageInfo>(value);
      foreach (var item in listSession)
      {
        ///发送消息
        SendMsg(item.SessionId, string.Format("{0}发来消息：{1}", message.Name, message.Message));
      }
    }
    // <summary>
    /// 发送消息
    /// </summary>
    /// <param name="sessionId"></param>
    /// <param name="msg"></param>
    private void SendMsg(string sessionId, string msg)
    {
      var appSession = server.GetAppSessionByID(sessionId);
      if (appSession != null)
        appSession.Send(msg);
    }
    public class MessageInfo
    {
      public string Name { get; set; }
      public string Message { get; set; }
    }
    public class SessionInfo
    {
      public string SessionId { get; set; }
      public string EndPoint { get; set; }
      //public string Name { get; set; }
    }
  }

@{
  ViewBag.Title = "Index";
}
<h3>Index</h3>
<script src="../Scripts/jquery-1.8.2.js"></script>
<input type="text" id="txtName" />
<input type="button" value="加入聊天室" id="btnConnection" />
<input type="button" value="离开聊天室" id="btnDisConnection" />
<input type="text" id="txtInput" />
<input type="button" value="发送" id="btnSend" />
<div id="msg"></div>
<script language="javascript" type="text/javascript">
  var ws;
  var url = "ws://192.168.1.106:1010"
  $("#btnConnection").click(function () {
    if ("WebSocket" in window) {
      ws = new WebSocket(url);
    }
    else if ("MozWebSocket" in window) {
      ws = new MozWebSocket(url);
    }
    else
      alert("浏览器版本过低，请升级您的浏览器");
    //注册各类回调
    ws.onopen = function () {
      $("#msg").append($("#txtName").val() + "加入聊天室<br />");
    }
    ws.onclose = function () {
      $("#msg").append($("#txtName").val() + "离开聊天室<br />");
    }
    ws.onerror = function () {
      $("#msg").append("数据传输发生错误<br />");
    }
    ws.onmessage = function (receiveMsg) {
      $("#msg").append(receiveMsg.data + "<br />");
    }
    //监听窗口关闭事件，当窗口关闭时，主动去关闭websocket连接，防止连接还没断开就关闭窗口，server端会抛异常。
    window.onbeforeunload = function () {
      ws.close();
    }
  });
  //$("#btnDisConnection").click(function () {
  //  $("#msg").append($("#txtName").val() + "离开聊天室<br />");
  //  ws.close();
  //});
  $("#btnSend").click(function () {
    if (ws.readyState == WebSocket.OPEN) {
      var message = "{\"name\":\"" + $("#txtName").val() + "\",\"message\":\"" + $("#txtInput").val() + "\"}";
      ws.send(message);
    }
    else {
      $("#msg").text("Connection is Closed!");
    }
  });
</script>