📄 logout.jsp
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<%@ page contentType="text/html; charset=GB2312"
import="java.util.Date"%>
<%
String User = (String) session.getAttribute("User");
//从session对象中取得名为User的对象
//判断是否为空值, 是则代表用户尚未完成登录
//则不进行欢送信息的新增
if(User != null)
{
String Msg = null;
//下面的for循环将把每个信息向后移动
for(int i = 40; i >= 2; i--)
{
Msg = (String)application.getAttribute("Msg" + (i - 1));
application.setAttribute("Msg" + i, Msg);
}
Date Now = new Date(); //取得目前的系统时间
String year = String.valueOf(Now.getYear() + 1900);
String month = String.valueOf(Now.getMonth() + 1);
String day = String.valueOf(Now.getDate());
String hour = String.valueOf(Now.getHours());
String minute = String.valueOf(Now.getMinutes());
String second = String.valueOf(Now.getSeconds());
String time = year + "/" + month + "/" + day + " "
+ hour + ":" + minute + ":" + second;
//取得目前的日期与时间
String Sex = (String) session.getAttribute("Sex");
//依照不同姓别设置欢送词
if(Sex.equals("F"))
{
Msg = "<TR><TH Colspan = 4 BGColor=Pink align=left>"
+ "<Font Color = Yellow>恭送<Font Color = Red>"
+ User + "美女</FONT>于<Font Color = Green>[" +
time + "]</Font>离开</TH>";
}
else
{
Msg = "<TR><TH Colspan = 4 BGColor=Silver align=left>"
+ "<Font Color = Yellow>恭送<Font Color = Blue>"
+ User + "帅哥</FONT>于<Font Color = Green>[" +
time + "]</Font>离开</TH>";
}
application.setAttribute("Msg1", Msg);
//将恭送词存入application对象
String strNum = (String) application.getAttribute("LogNum");
//取得保存于application的LogNum资料, 此资料为目前的登录人数
int LogNum = Integer.parseInt(strNum);
//取得登录人数
application.setAttribute("LogNum", String.valueOf(LogNum - 1));
//将登录人数减1后更新
}
%>
<HTML>
<HEAD>
<TITLE>聊天室</TITLE>
<Script Language = "javascript">
<!--
function window_onload()
{
top.close(); //关闭窗口
}
-->
</Script>
</HEAD>
<BODY onload="window_onload()"></BODY>
</HTML>
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