asp+ajax做聊天室二

下面的代码是post.asp文件代码.比较简单所以就不说明了.

<%@Language="JavaScript" CodePage="936"%><%
var Nothing;
Response.addHeader("Cache-Control","no-cahce");
if(!Session.Contents("Chat_User"))
{
    Session.Contents("Chat_User") = "Guest";
    Session.Contents("Chat_Time") = (new Date).getTime();
}
if(Application.Contents("Chat_Data") == Nothing)
{
    Application.Lock();
    Application.Contents("Chat_Data") = "\f系统\bred\b您\bblue\b欢迎您来到聊天室。\bblack\b" + (3000 + (new Date).getTime());
    Application.UnLock();
}
var PostChat = Request.QueryString.Item;
if(PostChat)
{
    var Chat_Data = Application.Contents("Chat_Data").split("\f");
    if(Chat_Data.length > 30) Chat_Data.shift();
    Chat_Data.push(Server.HtmlEncode(unescape(PostChat)) + "\b" + (new Date).getTime());
    Application.Lock();
    Application.Contents("Chat_Data") = Chat_Data.join("\f");
    Application.UnLock();
}
var LastTime = Session.Contents("Chat_Time");
var MyData = new Array;
var AllData = Application.Contents("Chat_Data").split("\f");
for(var C=AllData.length-1; C>=1; C--)
{
    var Node = new Array;
    var Item = AllData[C].split("\b");
    if(Item[6] <= Session.Contents("Chat_Time")) break;
    if(Item[6] > LastTime) LastTime = Item[6];
    Node.push("<发送人 颜色=\"" + Item[1] + "\">" + Item[0] + "");
    Node.push("<接收人 颜色=\"" + Item[3] + "\">" + Item[2] + "");
    Node.push("<说话 颜色=\"" + Item[5] + "\">" + Item[4] + "");
    Node = Node.join("\t\t\r\n");
    Node = "\t<聊天 时间=\"" + Item[6] + "\">" + Node + "\r\n\t";
    MyData.push(Node);
}
Session.Contents("Chat_Time") = LastTime;
MyData.reverse();
%>
<聊天室>
<%=MyData.join("\r\n")%>

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