11 MVC
11 MVC
1 Web
Web Model1 Model2
Model1
1 JSP
2 Java Bean JSP Java Bean
3 Java Bean
4 JSP
Model2
1 Servlet
2 Servlet Java Bean
3 Java Bean
4 Servlet Java Bean JSP
5 JSP
Model1
Model1 Model2 Model2 Model2
2 MVC M V C
M Model I/O
View
Controller
11 MVC
3 MVC
MVC MVC
MVC
URL
4 Spring MVC
Spring MVC
1 Http
2 Spring DispatcherServlet
3 DispatcherServlet
4 ModelAndView DispatcherServlet ModelAndView
5 DispatcherServlet ViewResolver
6 DispatcherServlet View
7 View Http
5 Struts2
“sunyang “1234
1 Web login commons-logging-1.0.4.jar freemarker-2.3.8.jar ognl-2.6.11.jar struts2-core-2.0.11.jar xwork-2.0.4.jar 5
11 MVC
2 web.xml Struts2 FilterDispatcher
xmlns="/xml/ns/javaee"
xmlns:xsi="/2001/XMLSchema-instance"
xsi:schemaLocation="/xml/ns/javaee
/xml/ns/javaee/web-app_2_5.xsd">
login.jsp
struts2
org.apache.struts2.dispatcher.FilterDispatcher
struts2
/*
3 com LoginAction.java
public class LoginAction {
private String username; //
private String password; //
public String getUsername() {
return username;
}
public void setUsername(String username) {
ername = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
11 MVC
this.password = password;
}
public String execute() {
// sunyang 1234
if(username.equals("sunyang")&&password.equals("1234"))
return "loginSuccess";
else
return "loginError";
}
}
4 src Struts2 struts.xml loginAction struts.xml
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"/dtds/struts-2.0.dtd">
/success.jsp
/error.jsp
5 WebRoot login.jsp success.jsp error.jsp
login.jsp
<%@ page language="java" contentType="text/html; charset=GBK"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
