📄 input.jsp

📁 这是jsp论坛
💻 JSP
字号:
<%@page contentType="text/html;charset=gb2312"%>
<%@page language="java" import="java.util.*" %>
<html>
<head>
<script language="JavaScript">
function checkForm()
{
	if(document.chatForm.usermessage.value=="")
	{
		alert("发言不能为空!");
		document.chatForm.usermessage.focus();
		return false;
	}
	else
	{
		document.chatForm.usermessage.focus();
		return true;
	}
}
function userLogout()
{
	top.window.location="login.jsp";
}
</script>
</head>
<body bgcolor="#FF9900" topmargin="10">
<form name="chatForm"  method="post">
<table border="0" width="100%" align="center" cellspacing="0" cellpadding="0">
<tr valign="top"><td>
<%
String first = (String)request.getParameter("first");
String talkMessage=(String)request.getParameter("usermessage");
if(talkMessage!=null)
	talkMessage=new String(talkMessage.getBytes("8859_1"));
String talkwith =(String)request.getParameter("talkwith");
if(talkwith!= null)
	talkwith=new String(talkwith.getBytes("8859_1"));
String systemSpeak=(String)request.getParameter("systemSpeak");
String chatName=(String)session.getAttribute("chatName");
out.println("【<font color='#0000ff'>"+chatName+"</font>】"+"对");
//用户第一次进入，初始化状态
if(first==null)
{
	talkMessage="系统公告："+chatName+"进入了聊天室，大家欢迎！";
	systemSpeak = "yes";
}
if(talkwith==null)
{
	 talkwith="所有人";
}
%>
        <input type="text" name="talkwith" value= <%= talkwith %> size="8" style="font-size:9pt">
        <input type="hidden" name="first" value="first">
        <input type="hidden" name="systemSpeak" value="no">
        <input type="text" name="usermessage" size=50 style="font-size:9pt">
        <input type="submit" name="Submit" value="发送" style="font-size:9pt" onclick="return checkForm();">
        <input type="button" name="logout" value="离开" style="font-size:9pt" onclick="return userLogout();">
<%
if(chatName==null)
{
	return;
}
Vector Message=null;
synchronized (application)
{
	Message=(Vector)application.getAttribute("Message");
	if(Message==null)
	{
		Message= new Vector(30,10);
	}
	if(Message.size()>200)
	{
		Message.removeAllElements();
	}
	Message.addElement(chatName);
	Message.addElement(talkwith);
	Message.addElement(talkMessage);
	Message.addElement(systemSpeak);
	application.setAttribute("Message", Message);
}
%>
</table>
</form>
</body>
</html>
⌨️ 快捷键说明

复制代码 Ctrl + C
搜索代码 Ctrl + F
全屏模式 F11
切换主题 Ctrl + Shift + D
显示快捷键 ?
增大字号 Ctrl + =
减小字号 Ctrl + -