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<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ page import="java.util.*" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html>
<head>
<script type="text/javascript" src="function.js"></script>
<link href="style.css" rel="stylesheet" type="text/css" />
<title>interface_teacher</title>
</head>
function showtime()
{
var now=new Date();
var year=now.getFullYear();
var month=now.getMonth()+1;
var day=now.getDate();
var hours=now.getHours();
var minutes=now.getMinutes();
var seconds=now.getSeconds();
time=year+'/'+month+'/'+day +'/'+hours+':'+minutes+':'+seconds;
var div1=document.getElementById('div1');
div1.innerHTML=time;
}
function letstart()
{
taskId=setInterval(showtime,500);
}
window.onload=function()
{
letstart();
};
function show1()
{
var w1 = document.getElementById("right1");
w1.style.display="block";
var w4 = document.getElementById("right4");
w4.style.display="none";
var w3 = document.getElementById("right3");
w3.style.display="none";
var w2 = document.getElementById("right2");
w2.style.display="none";
}
function show2()
{
var w2 = document.getElementById("right2");
w2.style.display="block";
var w4 = document.getElementById("right4");
w4.style.display="none";
var w3 = document.getElementById("right3");
w3.style.display="none";
var w1 = document.getElementById("right1");
w1.style.display="none";
}
差不多就是这样