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:
3.如果是早上:
AmGreeting.jsp:
如果是下午:
PmGreeting.jsp:
略
2.判断时间forward到不同页面:
time.jsp:
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:
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:
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>