1. /hellouser.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head><title>HelloPage</title></head>
<body>
???? <H1> ${helloWord}</H2>
</body>
</html>
2./index.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
? <head>
? </head>
? <body>
??? <%
??? ?response.sendRedirect("hellouser.do");
??? %>
? </body>
</html>
3./WEB-INF/web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.4"
?xmlns="?xmlns:xsi="?xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
??
?<servlet>
??????? <servlet-name>hello</servlet-name>
??????? <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
??<init-param>
???????? <param-name>contextConfigLocation</param-name>
???????? <param-value>/WEB-INF/application-servlet.xml</param-value>
??? ?</init-param>?
??? </servlet>
?
??? <servlet-mapping>
??????? <servlet-name>hello</servlet-name>
??????? <url-pattern>*.do</url-pattern>
??? </servlet-mapping>
??
</web-app>
4./WEB-INF/application-servlet.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN" "<beans>
??? <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
??????? <property name="mappings">
??????????? <props>
??????????????? <prop key="/hellouser.do">helloUserAction</prop>
??????????? </props>
??????? </property>
??? </bean>
???
??? <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
??????? <property name="viewClass">
??????????? <value>org.springframework.web.servlet.view.InternalResourceView</value>
??????? </property>
??? </bean>
???
??? <bean id="helloUserAction" class="onlyfun.caterpillar.HelloUserAction">
??????? <property name="helloWord">
??????????? <value>Hello!</value>
??????? </property>
??????? <property name="viewPage">
??????????? <value>/hellouser.jsp</value>
??????? </property>
??? </bean>
</beans>
5./WEB-INF/classes/onlyfun/caterpillar/HelloUserAction.class
package onlyfun.caterpillar;
import java.io.IOException;
import java.util.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.springframework.web.servlet.mvc.Controller;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.bind.RequestUtils;
public class HelloUserAction implements Controller {
?? private String helloWord;
??? private String viewPage;
???
?? public ModelAndView handleRequest(HttpServletRequest req, HttpServletResponse res)
??????? throws ServletException, IOException {
???? //String user = RequestUtils.getRequiredStringParameter(req, "user");
????? Map model = new HashMap();
????? model.put("helloWord", getHelloWord());
???? // model.put("user", user);
???
?????? return new ModelAndView(getViewPage(), model);
??? }
???
??? public void setViewPage(String viewPage) {
?????? this.viewPage = viewPage;
??? }
???
??? public String getViewPage() {
?????? return viewPage;
??? }
??? public void setHelloWord(String helloWord) {
?????? this.helloWord = helloWord;
??? }
???
??? public String getHelloWord() {
?????? return helloWord;
??? }
}