server.aspx.cs

这是一个C#做的AJAX聊天室

using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Web.SessionState;
namespace UChat.Server
{
    public partial class Server : System.Web.UI.Page
    {
        
        protected void Page_Load(object sender, EventArgs e)
        {
            if (Request.QueryString["action"] != null && Request.QueryString["action"].Trim() != "")
            {
                switch (Request["action"])
                {
                    case "Login":
                        processLogin();
                        break;
                    case "PostMsg":
                        processPostMsg();
                        break;
                    case "GetMsg":
                        processGetMsg();
                        break;
                    case "UserList":
                        processUserList();
                        break;
                    default: break;
                }
            }
        }
        protected void processLogin()
        {
            if (Request.QueryString.Count == 0) 
            {
                return;
            }
            string user = Request.QueryString["u"].ToString();
            Guid g = Guid.NewGuid();
            UChat.Global.Engine.AddUser(g.ToString(), user);
            //U.AddUser(g.ToString(), user);
            Response.Redirect("Chat.aspx?" + g.ToString());
        }
        protected void processPostMsg()
        {
            if (Request.QueryString.Count == 0)
            {
                return;
            }
            if (Request.QueryString["u"] == null)
            {
                return;
            }
            if (Request.QueryString["t"] == null)
            {
                return;
            }
            string user = Request.QueryString["u"];
            string chat = Request.QueryString["t"];

            if (!UChat.Global.Engine.GuidExists(user))
            {
                return;
            }
           UChat.Global.Engine.AddText(user, chat);
            
        }
        protected void processGetMsg()
        {
            Response.Write(UChat.Global.Engine.BufferText);
        }
        protected void processUserList()
        {
            Response.Write(UChat.Global.Engine.UserList);
        }
    }
}