怎么在JSP中 即时在网页下更新数据中更新的数据，
日期：2014-05-17 浏览次数：20741 次
如何在JSP中 即时在网页上更新数据中更新的数据，在线等~~
我的源码如下。
usermanger.jsp
<%@ page language="java"%>
<%@ page import="java.sql.*"%>
<%@ page contentType="text/html;charset=UTF-8"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
response.setHeader("Cache-Control", "no-cache, no-store"); //HTTP 1.1
response.setHeader("Pragma", "no-cache"); //HTTP 1.0
response.setDateHeader("Expires", 0); //prevents caching at the proxy server
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<META HTTP-EQUIV= "pragma" CONTENT= "no-cache ">
<META HTTP-EQUIV= "Cache-Control" CONTENT= "no-cache, must-revalidate ">
<META HTTP-EQUIV= "expires" CONTENT= "0 ">
<title>管理员管理</title>
<link href="css/Style.css" rel="stylesheet" type="text/css">
<script language=javascript>
function checkdel()
{
if(confirm("你确定要删除该管理员吗？一旦删除，将不能恢复！"))
return true;
else
return false;
}
</script>
<link href="css/style.css" rel="stylesheet" type="text/css">
</head>
<body style="width:100%;">
<jsp:useBean id="connDBBean1" scope="page" class="Conn.conn"/>
<%
ResultSet rs=connDBBean1.executeQuery("select * from denglu");%>
<br>
<table width="99%" border="0" align="center" cellpadding="0" cellspacing="1" style="border: 2px solid #ffffff;" class="border">
<tr align="center" class="sec_menu">
<td width="9%" class="tbbgtitle">ID</td>
<td width="20%" class="tbbgtitle">账号</td>
<td width="19%" class="tbbgtitle">姓名</td>
<td width="15%" class="tbbgtitle">最后登录IP</td>
<td width="19%" class="tbbgtitle">最后登录时间</td>
<td width="18%" class="tbbgtitle">操作</td>
</tr>
<%
while(rs.next()){
%>
<tr align="center" class="lineheight" onMouseOver="this.style.background='#F8F8F8';this.style.cursor='hand';" onMouseOut="this.style.background='';this.style.cursor='default';">
<%
String m=rs.getString(1);
int i=Integer.parseInt(m);
out.print("<td>"+i+"</td>");
out.print("<td>"+rs.getString(2)+"</td>");
out.print("<td>"+rs.getString(3)+"</td>");
out.print("<td>"+rs.getString(4)+"</td>");
out.print("<td>"+rs.getString(5)+"</td>");
%>
<td><a href="delete.jsp?id=<%=i%>" onclick="checkdel();">删除</a>
<input name="admindel" type="hidden" id="admindel" value="del"></td>
</tr>
<%
}%>
</table>
<table width="99%" border="0" align="center" cellpaddi
我的源码如下。
usermanger.jsp
<%@ page language="java"%>
<%@ page import="java.sql.*"%>
<%@ page contentType="text/html;charset=UTF-8"%>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
response.setHeader("Cache-Control", "no-cache, no-store"); //HTTP 1.1
response.setHeader("Pragma", "no-cache"); //HTTP 1.0
response.setDateHeader("Expires", 0); //prevents caching at the proxy server
%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<META HTTP-EQUIV= "pragma" CONTENT= "no-cache ">
<META HTTP-EQUIV= "Cache-Control" CONTENT= "no-cache, must-revalidate ">
<META HTTP-EQUIV= "expires" CONTENT= "0 ">
<title>管理员管理</title>
<link href="css/Style.css" rel="stylesheet" type="text/css">
<script language=javascript>
function checkdel()
{
if(confirm("你确定要删除该管理员吗？一旦删除，将不能恢复！"))
return true;
else
return false;
}
</script>
<link href="css/style.css" rel="stylesheet" type="text/css">
</head>
<body style="width:100%;">
<jsp:useBean id="connDBBean1" scope="page" class="Conn.conn"/>
<%
ResultSet rs=connDBBean1.executeQuery("select * from denglu");%>
<br>
<table width="99%" border="0" align="center" cellpadding="0" cellspacing="1" style="border: 2px solid #ffffff;" class="border">
<tr align="center" class="sec_menu">
<td width="9%" class="tbbgtitle">ID</td>
<td width="20%" class="tbbgtitle">账号</td>
<td width="19%" class="tbbgtitle">姓名</td>
<td width="15%" class="tbbgtitle">最后登录IP</td>
<td width="19%" class="tbbgtitle">最后登录时间</td>
<td width="18%" class="tbbgtitle">操作</td>
</tr>
<%
while(rs.next()){
%>
<tr align="center" class="lineheight" onMouseOver="this.style.background='#F8F8F8';this.style.cursor='hand';" onMouseOut="this.style.background='';this.style.cursor='default';">
<%
String m=rs.getString(1);
int i=Integer.parseInt(m);
out.print("<td>"+i+"</td>");
out.print("<td>"+rs.getString(2)+"</td>");
out.print("<td>"+rs.getString(3)+"</td>");
out.print("<td>"+rs.getString(4)+"</td>");
out.print("<td>"+rs.getString(5)+"</td>");
%>
<td><a href="delete.jsp?id=<%=i%>" onclick="checkdel();">删除</a>
<input name="admindel" type="hidden" id="admindel" value="del"></td>
</tr>
<%
}%>
</table>
<table width="99%" border="0" align="center" cellpaddi
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