JSP forward用法分析實例代碼分析

2020-07-27 21:40:19

字體：大中小

來源：轉載

供稿：網友

1.首頁（填寫姓名）(可選，表單post到time.jsp即可)：
略
2.判斷時間forward到不同頁面：
time.jsp:

復制代碼代碼如下:

 
<%-- 
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:

復制代碼代碼如下:

 
<%-- 
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:

復制代碼代碼如下:

 
<%-- 
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> 