Ajax技术--实时显示公告信息（$.get()）

来源：互联网发布：淘宝验证码编辑：程序博客网时间：2024/05/22 06:30

1、index.jsp页面：

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'index.jsp' starting page</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0">    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--><script type="text/javascript" src = "js/jquery-3.1.1.min.js"></script><script type="text/javascript">  function show(){  $.get("display.jsp?nocache="+new Date().getTime(),function(data){  $("#div1").html(data);  });  }    $(document).ready(function(){    show();    setInterval("show()",5000);  });</script>  </head>    <body>    <marquee direction="up" scrollamount="3" style= "height:300px">       <div id = "div1" style="background: grey;height:100px ;width:200px"></div>    </marquee>  </body></html>

2、display.jsp页面：

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><%  String []msg = {"高考进行中","端午放假通知","今明两天气温升高","明天休假"};    for(int i = 0; i < msg.length; i++){    out.println("<li>"+ msg[i] +"</li>");  } %>

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