JSP forward用法分析实例代码分析

  1.首页(填写姓名)(可选,表单post到time.jsp即可):

  略

  2.判断时间forward到不同页面:

  time.jsp:

  

复制代码 代码如下:

  <%--

  Document : index

  Created on : 2009-10-3, 15:48:00

  Author : lucifer

  --%>

  <%@page contentType="text/html" pageEncoding="UTF-8"%>

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

  "http://www.w3.org/TR/html4/loose.dtd">

  <%@page import="java.util.Date" %>

  <html>

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

  <title>JSP Page</title>

  </head>

  <body>

  <%

  Date dat =

  new Date();

  if(dat.getHours() <= 12){

  %>

  <jsp:forward page="AmGreeting.jsp"/>

  <%}

  else{

  %>

  <jsp:forward page="PmGreeting.jsp"/>

  <%}

  %>

  </body>

  </html>

  3.如果是早上:

  AmGreeting.jsp:

  

复制代码 代码如下:

  <%--

  Document : AmGreeting

  Created on : 2009-10-3, 16:00:10

  Author : lucifer

  --%>

  <%@page contentType="text/html" pageEncoding="UTF-8"%>

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

  "http://www.w3.org/TR/html4/loose.dtd">

  <html>

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

  <title>JSP Page</title>

  </head>

  <body>

  <h1>Good Morning! </h1>

  <%

  String name = request.getParameter("userName");

  out.println(name);

  %>

  !!!

  </body>

  </html>

  如果是下午:

  PmGreeting.jsp:

  

复制代码 代码如下:

  <%--

  Document : AmGreeting

  Created on : 2009-10-3, 16:00:10

  Author : lucifer

  --%>

  <%@page contentType="text/html" pageEncoding="UTF-8"%>

  <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"

  "http://www.w3.org/TR/html4/loose.dtd">

  <html>

  <head>

  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

  <title>JSP Page</title>

  </head>

  <body>

  <h1>Good Afternoon! </h1>

  <%

  String name = request.getParameter("userName");

  out.println(name);

  %>

  !!!

  </body>

  </html>