guestchat.aspx.cs

是一个简易的聊天系统

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 WebHelper.Model;
public partial class GuestChat : MyPage
{
    Guest guest;
    protected void Page_Load(object sender, EventArgs e)
    {
        if (Session["GUEST"] == null)
            Session["GUEST"] = new Guest(Session.SessionID);

        guest = (Guest)Session["GUEST"];
        if (guest == null) 
        {
            Response.StatusCode = 803;
            return; 
        }

        switch (Request.Form["Opt"]) 
        {
            case "new":
                Login();
                break;
            case "GetResult":
                GetResult();
                break;
            case "SendAsk":
                SendAsk();
                break;
            case "LoginOut":
                LoginOut();
                break;

        }
        Response.End();
    }



    private void SendAsk() 
    {
        if (guest.Worker == null)
        {
            Response.StatusCode = 805;
            return;
        }
        if (!worker.All.ContainsKey(guest.Worker))
        {
            Response.Write("0");//重大问题，客服不小心被删除
            Response.StatusCode = 801;
        }

        if (!worker.All[guest.Worker].Guest.ContainsKey(guest.Name)) 
        {
            Response.Write("-1");//重大问题，关联发生错乱
            Response.StatusCode = 801;
        }
        guest.LogData.Add("<msg time='" + DateTime.Now + "' from='0'><![CDATA[" + Request.Form["Message"].Replace("'", "⊕") + "]]></msg>");
        worker.All[guest.Worker].Message = "'" + guest.GuestID + "':'" + Request.Form["Message"].Replace("'", "⊕") + "'";
        Response.StatusCode = 800;

    }
    private void Login() 
    {
        guest.Email=Request.Form["Email"];
        guest.Name=Request.Form["Name"];
        int type = 0;
        if(!int.TryParse(Request.Form["AskType"],out type))
        {
            Response.StatusCode = 801;
            return;
        }
        guest.AskType = type;
        if (!worker.Allot(guest))
        {
            //Response.Write("0");//没有客服在线
            Response.StatusCode = 801;
        }
        else
        {
            //Response.Write("1");
            Response.Write(worker.All[guest.Worker].Title);
            Response.StatusCode = 800;
        }
    }

    /// <summary>
    /// 取得回复，页面刷新
    /// </summary>
    private void GetResult()
    {
        if (guest.Worker == null)
        {
            Response.StatusCode = 805;
            return;
        }
        else
        {
            if (worker.All[guest.Worker].Status == 0)
            {
                Response.StatusCode = 805;
                return;
            }
        }
        Response.Write("['");
        Response.Write(worker.All[guest.Worker].Title);
        Response.Write("',");
        Response.Write( guest.Message);
        Response.Write("]");
        Response.StatusCode = 804;
    }


    private void LoginOut()
    {
        if (guest.Worker == null) { guest = null; return; }
        if (worker.All.ContainsKey(guest.Worker))
            worker.All[guest.Worker].Guest.Remove(guest.GuestID);

        guest.CreateLog();
        guest = null;
        Session["GUEST"] = null;
    }
}