Struts2实例

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<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib prefix="s" uri="/struts-tags" %> <!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>Insert title here</title> </head> <body> <s:form action="Login" method="post"> <s:textfield name="userName" label="userName"></s:textfield> <s:password name="password" label="password"></s:password> <s:submit label="submit"></s:submit> </s:form> </body> </html>

<%@ page language="java" contentType="text/html; charset=UTF-8" 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>Insert title here</title> </head> <body> result </body> </html>

<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"id="WebApp_ID" version="2.5"><display-name>Spring_Struts2</display-name><welcome-file-list><welcome-file>login.jsp</welcome-file></welcome-file-list><filter><filter-name>struts2</filter-name><filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class></filter><filter-mapping><filter-name>struts2</filter-name><url-pattern>/*</url-pattern></filter-mapping></web-app>

package com.struts2.action; import com.opensymphony.xwork2.ActionSupport; import com.struts2.service.LoginService; import com.struts2.service.LoginServiceImpl;public class LoginAction extends ActionSupport { private LoginService loginService = new LoginServiceImpl(); private String userName; private String password; public void setLoginService(LoginService loginService) { this.loginService = loginService; } public String getUserName() { return userName; } public void setUserName(String userName) { this.userName = userName; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } @Override public String execute() throws Exception { if(loginService.isLogin(userName, password)) return SUCCESS; else return INPUT; } }

/** * */package com.struts2.service;/** * @author Administrator * */public interface LoginService { boolean isLogin(String userName,String password); }

/** * */package com.struts2.service;/** * @author Administrator * */ public class LoginServiceImpl implements LoginService { public boolean isLogin(String userName, String password) { if("hello".equals(userName) && "world".equals(password)) return true; else return false; } }