1./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>
?
?<welcome-file-list>
??? ?<welcome-file>form.jsp</welcome-file>
? ?</welcome-file-list>
</web-app>
2./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="/login.do">loginAction</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>
??????? <property name="prefix">
??????????? <value>/</value>
??????? </property>
??????? <property name="suffix">
??????????? <value>.jsp</value>
??????? </property>
??? </bean>
???
??? <bean id="loginAction" class="onlyfun.caterpillar.LoginAction">
??????? <property name="commandClass">
??????????? <value>onlyfun.caterpillar.LoginForm</value>
??????? </property>
??????? <property name="successView">
??????????? <value>success</value>
??????? </property>
??????? <property name="formView">
??????????? <value>form</value>
??????? </property>
??? </bean>
</beans>
3./WEB-INF/classes/onlyfun/caterpillar/LoginAction.class
package onlyfun.caterpillar;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.*;
public class LoginAction extends SimpleFormController {
??? protected ModelAndView onSubmit(Object command) throws Exception {
?????? LoginForm form = (LoginForm) command;
???????
?????? if("111".equals(form.getUsername()) &&
???????????? "111".equals(form.getPassword())) {
????????? return new ModelAndView(this.getSuccessView(),"user", form.getUsername());
?????? }
?????? else {
?????????? return new ModelAndView(this.getFormView());
?????? }
??? }
}
4./WEB-INF/classes/onlyfun/caterpillar/LoginForm.class
package onlyfun.caterpillar;
public class LoginForm {
??? private String username;
??? private String password;
???
??? public void setUsername(String username) {
?????? this.username = username;
??? }
???
??? public void setPassword(String password) {
?????? this.password = password;
??? }
???
??? public String getUsername() {
?????? return username;
??? }
???
??? public String getPassword() {
?????? return password;
??? }
}
5./form.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head><title>Login</title></head>
<body>
??? 請輸入使用者名稱與密碼：<p>
??? <form name="loginform" action="login.do" method="post">
??????? 名稱 <input type="text" name="username"/><br>
??????? 密碼 <input type="password" name="password"/><br>
??????? <input type="submit" value="確定"/>
??? </form>
??? 注意：輸入錯誤會再回到這個頁面中。
</body>
</html>
6./success.jsp
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<html>
<head><title>Login Success</title></head>
<body>
??? <H1> Hello, ${user}!!</H1>
??? This is your secret gift.
</body>
</html>