项目结构：
http://www.cnblogs.com/hongten/gallery/image/112981.html
登录界面：
http://www.cnblogs.com/hongten/gallery/image/112983.html
登录失败：
http://www.cnblogs.com/hongten/gallery/image/112982.html
登录成功：
http://www.cnblogs.com/hongten/gallery/image/112984.html
/struts2_0200_userlogin/src/com/b510/entity/User.java
User中多余的字段，是为了为以后项目中所创建的……
1 /**
2 *
3 */
4 package com.b510.entity;
5
6 /**
7 *User实体类
8 *
9 * @author hongten</br>
10 * @date 2012-3-17</br>
11 *
12 */
13 public class User {
14
15 /**
16 * id号
17 */
18 private int id;
19 /**
20 * 姓名
21 */
22 private String name;
23
24 /**
25 * 密码
26 */
27 private String password;
28 /**
29 * 性别
30 */
31 private String sex;
32 /**
33 * 邮箱
34 */
35 private String mail;
36
37 public User() {
38 }
39
40 /**
41 * @param name
42 * @param password
43 */
44 public User(String name, String password) {
45 super();
46 this.name = name;
47 this.password = password;
48 }
49
50 /**
51 * @return the id
52 */
53 public int getId() {
54 return id;
55 }
56
57 /**
58 * @return the mail
59 */
60 public String getMail() {
61 return mail;
62 }
63
64 /**
65 * @return the name
66 */
67 public String getName() {
68 return name;
69 }
70
71 /**
72 * @return the password
73 */
74 public String getPassword() {
75 return password;
76 }
77
78 /**
79 * @return the sex
80 */
81 public String getSex() {
82 return sex;
83 }
84
85 /**
86 * @param id
87 * the id to set
88 */
89 public void setId(int id) {
90 this.id = id;
91 }
92
93 /**
94 * @param mail
95 * the mail to set
96 */
97 public void setMail(String mail) {
98 this.mail = mail;
99 }
100
101 /**
102 * @param name
103 * the name to set
104 */
105 public void setName(String name) {
106 this.name = name;
107 }
108
109 /**
110 * @param password
111 * the password to set
112 */
113 public void setPassword(String password) {
114 this.password = password;
115 }
116
117 /**
118 * @param sex
119 * the sex to set
120 */
121 public void setSex(String sex) {
122 this.sex = sex;
123 }
124 }
/struts2_0200_userlogin/src/com/b510/user/action/UserAction.java
1 /**
2 *
3 */
4 package com.b510.user.action;
5
6 import com.b510.entity.User;
7 import com.b510.user.service.UserService;
8 import com.b510.user.service.impl.UserServiceBean;
9 import com.opensymphony.xwork2.ActionContext;
10 import com.opensymphony.xwork2.ActionSupport;
11
12 /**
13 *
14 * @author hongten</br>
15 * @date 2012-3-17</br>
16 *
17 */
18 public class UserAction extends ActionSupport {
19
20 /**
21 * id号
22 */
23 private static final long serialVersionUID = -4186853910477035740L;
24
25 /**
26 * UserService实例
27 */
28 private UserService userService=new UserServiceBean();
29 /**
30 * 用户User的一个实例
31 */
32 private User user;
33
34 public String execute() throws Exception {
35 ActionContext act=ActionContext.getContext();
36 boolean falg=getUserService()
37 .login(getUser().getName(), getUser().getPassword());
38 if (falg) {
39 act.put("congratulation", getUser().getName());
40 return SUCCESS;
41 } else {
42 return "FAIL";
43 }
44 }
45
46 /**
47 * @return the user
48 */
49 public User getUser() {
50 return user;
51 }
52
53 /**
54 * @return the userService
55 */
56 public UserService getUserService() {
57 return userService;
58 }
59
60 /**
61 * @param user
62 * the user to set
63 */
64 public void setUser(User user) {
65 this.user = user;
66 }
67
68 /**
69 * @param userService
70 * the userService to set
71 */
72 public void setUserService(UserServiceBean userServiceBean) {
73 this.userService = userServiceBean;
74 }
75
76 }
/struts2_0200_userlogin/src/com/b510/user/dao/UserDAO.java
1 /**
2 *
3 */
4 package com.b510.user.dao;
5
6 import java.util.List;
7
8 import com.b510.entity.User;
9
10 /**
11 *
12 * @author hongten</br>
13 * @date 2012-3-17</br>
14 *
15 */
16 public interface UserDAO {
17
18 /**
19 * 加载User实例
20 *
21 * @param id
22 * 需要加载的User实例的标识属性值
23 * @return 指定id对应的User实例
24 */
25 public abstract User get(int id);
26
27 /**
28 * 保存User实例
29 *
30 * @param user
31 * 需要保存的User实例
32 * @return 刚刚保存的User实例的标识属性值
33 */
34 public abstract Integer save(User user);
35
36 /**
37 * 更改User实例
38 *
39 * @param user
40 * 需要更改的User实例
41 */
42 public abstract void update(User user);
43
44 /**
45 * 删除User实例
46 *
47 * @param id
48 * 需要删除的User实例的标识属性值
49 */
50 public abstract void delete(int id);
51
52 /**
53 * 删除User实例
54 *
55 * @param user
56 * 需要删除的User实例
57 */
58 public abstract void delete(User user);
59
60 /**
61 * 根据姓名查找User
62 *
63 * @param name
64 * 查询的人名
65 * @return 指定用户对应的全部User
66 */
67 public abstract List findByName(String name);
68
69 /**
70 * 查询全部User实例
71 *
72 * @return 全部User实例
73 */
74 public abstract List findAllUser();
75
76 /**
77 * 根据姓名，密码查找User
78 *
79 * @param name
80 * 姓名
81 * @param password
82 * 密码
83 * @return 指定姓名和密码存在，返回true，否则，返回false
84 */
85 public abstract boolean findByNameAndPassword(String name, String password);
86
87 }
/struts2_0200_userlogin/src/com/b510/user/dao/impl/UserDAOImpl.java
项目中只是实现了一个方法findByNameAndPassword()，其余方法，会再后面的项目中实现……
1 /**
2 *
3 */
4 package com.b510.user.dao.impl;
5
6 import java.util.List;
7
8 import com.b510.entity.User;
9 import com.b510.user.dao.UserDAO;
10 import com.sun.org.apache.bcel.internal.generic.NEW;
11
12 /**
13 *UserDAO的实现类
14 *
15 * @author hongten</br>
16 * @date 2012-3-17</br>
17 *
18 */
19 public class UserDAOImpl implements UserDAO {
20
21 public void delete(int id) {
22
23 }
24
25 public void delete(User user) {
26
27 }
28
29 public List findAllUser() {
30 List list = null;
31 return list;
32 }
33
34 public List findByName(String name) {
35 List list = null;
36 return list;
37 }
38
39 public boolean findByNameAndPassword(String name, String password) {
40 System.out.println(name);
41 if (name.equals("hongten")&&password.equals("510")) {
42 return true;
43 } else {
44 return false;
45 }
46 }
47
48 public User get(int id) {
49 User user = null;
50 return user;
51 }
52
53 public Integer save(User user) {
54 return Integer.valueOf(0);
55 }
56
57 public void update(User user) {
58
59 }
60 }
/struts2_0200_userlogin/src/com/b510/user/service/UserService.java
1 /**
2 *
3 */
4 package com.b510.user.service;
5
6 /**
7 *
8 * @author hongten</br>
9 * @date 2012-3-17</br>
10 *
11 */
12 public interface UserService {
13
14 /**
15 * 根据姓名，密码进行登录
16 *
17 * @param name
18 * 姓名
19 * @param password
20 * 密码
21 * @return 如果存在姓名和密码，返回true，否则，返回false
22 */
23 public abstract boolean login(String name, String password);
24 }
/struts2_0200_userlogin/src/com/b510/user/service/impl/UserServiceBean.java
在项目中可以不用getter，setter方法，在以后通spring整合的时候，我们就可以用到这个方法……
1 /**
2 *
3 */
4 package com.b510.user.service.impl;
5
6 import java.util.List;
7
8 import com.b510.user.dao.UserDAO;
9 import com.b510.user.dao.impl.UserDAOImpl;
10 import com.b510.user.service.UserService;
11
12 /**
13 *
14 * @author hongten</br>
15 * @date 2012-3-17</br>
16 *
17 */
18 public class UserServiceBean implements UserService {
19
20 private UserDAO userDAO = new UserDAOImpl();
21
22 public boolean login(String name, String password) {
23 return getUserDAO().findByNameAndPassword(name, password);
24 }
25
26 /**
27 * @return the userDAO
28 */
29 public UserDAO getUserDAO() {
30 return userDAO;
31 }
32
33 /**
34 * @param userDAO
35 * the userDAO to set
36 */
37 public void setUserDAO(UserDAOImpl userDAO) {
38 this.userDAO = userDAO;
39 }
40 }
/struts2_0200_userlogin/src/com/b510/utils/CharacterEncodingFilter.java
1 /**
2 *
3 */
4 package com.b510.utils;
5
6 import java.io.IOException;
7
8 import javax.servlet.Filter;
9 import javax.servlet.FilterChain;
10 import javax.servlet.FilterConfig;
11 import javax.servlet.ServletException;
12 import javax.servlet.ServletRequest;
13 import javax.servlet.ServletResponse;
14
15 /**
16 * 自定义Filter，过滤所有请求的编码，全部转换为UTF-8
17 *
18 * @author hongten</br>
19 * @date 2012-3-17</br>
20 *
21 */
22 public class CharacterEncodingFilter implements Filter {
23
24 public void destroy() {
25 }
26
27 /**
28 * 把request请求的内容转换为"UTF-8"
29 */
30 public void doFilter(ServletRequest request, ServletResponse response,
31 FilterChain chain) throws IOException, ServletException {
32 request.setCharacterEncoding("utf-8");
33 chain.doFilter(request, response);
34 }
35
36 public void init(FilterConfig arg0) throws ServletException {
37 }
38
39 }
/struts2_0200_userlogin/src/mess.properties
1 name=\u7528\u6237\u540D
2 password=\u5BC6 \u7801
3 failUI=\u767B\u5F55\u5931\u8D25\u9875\u9762
4 successUI=\u767B\u5F55\u6210\u529F\u9875\u9762
5 loginUI=\u767B\u5F55\u9875\u9762
6 login=\u767B\u5F55
7 reset=\u91CD\u7F6E
8 fail_message=\u4F60\u7684\u7528\u6237\u540D\u6216\u8005\u5BC6\u7801\u9519\u8BEF\uFF0C\u8BF7\u91CD\u65B0
9 congratulation=\u606D\u559C\uFF0C\u4F60\u6210\u529F\u767B\u5F55\u5566\uFF1A
/struts2_0200_userlogin/src/struts-login.xml
1 <?xml version="1.0" encoding="UTF-8"?>
2 <!DOCTYPE struts PUBLIC
3 "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
4 "http://struts.apache.org/dtds/struts-2.1.7.dtd">
5 <!-- 指定Struts 2配置文件的根元素 -->
6 <struts>
7 <!-- 所有的Action定义都应该放在package下 -->
8 <package name="hr" extends="struts-default">
9 <action name="*">
10 <result>/index.jsp</result>
11 </action>
12 </package>
13 <!--所有的Action定义都应该放在package下 -->
14 <package name="loginui" namespace="/loginUI" extends="struts-default">
15 <action name="login" class="com.b510.user.action.UserAction">
16 <result>/WEB-INF/loginUI/login_successUI.jsp</result>
17 <result name="FAIL">/WEB-INF/loginUI/login_failUI.jsp</result>
18 </action>
19 </package>
20 </struts>
/struts2_0200_userlogin/src/struts.xml
1 <?xml version="1.0" encoding="GBK"?>
2 <!DOCTYPE struts PUBLIC
3 "-//Apache Software Foundation//DTD Struts Configuration 2.1.7//EN"
4 "http://struts.apache.org/dtds/struts-2.1.7.dtd">
5 <!-- 指定Struts 2配置文件的根元素 -->
6 <struts>
7 <!-- 指定全局国际化资源文件 -->
8 <constant name="struts.custom.i18n.resources" value="mess" />
9 <!-- 指定国际化编码所使用的字符集 -->
10 <constant name="struts.i18n.encoding" value="GBK" />
11 <!-- 设置为开发模式 -->
12 <constant name="struts.devMode" value="true" />
13 <include file="struts-login.xml"></include>
14 </struts>
/struts2_0200_userlogin/WebRoot/WEB-INF/web.xml
1 <?xml version="1.0" encoding="GBK"?>
2 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
3 xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
4 xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
5 id="WebApp_ID" version="3.0">
6
7 <!-- 定义Struts2的核心Filter -->
8 <filter>
9 <filter-name>struts2</filter-name>
10 <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
11 </filter>
12 <!-- 让Struts2的核心Filter拦截所有请求 -->
13 <filter-mapping>
14 <filter-name>struts2</filter-name>
15 <url-pattern>/*</url-pattern>
16 </filter-mapping>
17 <!-- 过滤的URL为“/*”，表示当前的request请求 -->
18 <filter>
19 <filter-name>characterEncoding</filter-name>
20 <filter-class>com.b510.utils.CharacterEncodingFilter</filter-class>
21 </filter>
22 <filter-mapping>
23 <filter-name>characterEncoding</filter-name>
24 <url-pattern>/*</url-pattern>
25 </filter-mapping>
26 </web-app>
/struts2_0200_userlogin/WebRoot/index.jsp
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%
3 String path = request.getContextPath();
4 String basePath = request.getScheme() + "://"
5 + request.getServerName() + ":" + request.getServerPort()
6 + path + "/";
7 %>
8 <%@ taglib uri="/struts-tags" prefix="s"%>
9
10 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
11 <html>
12 <head>
13 <base href="<%=basePath%>">
14
15 <title><s:text name="loginUI"></s:text></title>
16 <meta http-equiv="pragma" content="no-cache">
17 <meta http-equiv="cache-control" content="no-cache">
18 <meta http-equiv="expires" content="0">
19 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
20 <meta http-equiv="description" content="This is my page">
21 <!--
22 <link rel="stylesheet" type="text/css" href="styles.css">
23 -->
24 </head>
25
26 <body>
27 <s:label value="用户登录:"></s:label>
28 <br />
29 <s:form action="loginUI/login" method="post">
30 <s:textfield name="user.name" key="name"/>
31 <br />
32 <s:password name="user.password" key="password" />
33 <br />
34 <s:submit key="login"></s:submit>
35 <s:reset key="reset"></s:reset>
36 </s:form>
37 <br>
38 </body>
39 </html>
/struts2_0200_userlogin/WebRoot/WEB-INF/loginUI/login_successUI.jsp
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%
3 String path = request.getContextPath();
4 String basePath = request.getScheme() + "://"
5 + request.getServerName() + ":" + request.getServerPort()
6 + path + "/";
7 %>
8 <%@ taglib uri="/struts-tags" prefix="s"%>
9 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
10 <html>
11 <head>
12 <base href="<%=basePath%>">
13
14 <title>登录成功</title>
15
16 <meta http-equiv="pragma" content="no-cache">
17 <meta http-equiv="cache-control" content="no-cache">
18 <meta http-equiv="expires" content="0">
19 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
20 <meta http-equiv="description" content="This is my page">
21 <!--
22 <link rel="stylesheet" type="text/css" href="styles.css">
23 -->
24
25 </head>
26
27 <body>
28 <s:text name="congratulation"></s:text><s:label>${request.congratulation}</s:label>
29 <br>
30 </body>
31 </html>
/struts2_0200_userlogin/WebRoot/WEB-INF/loginUI/login_failUI.jsp
1 <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
2 <%
3 String path = request.getContextPath();
4 String basePath = request.getScheme() + "://"
5 + request.getServerName() + ":" + request.getServerPort()
6 + path + "/";
7 %>
8 <%@ taglib uri="/struts-tags" prefix="s"%>
9 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
10 <html>
11 <head>
12 <base href="<%=basePath%>">
13
14 <title><s:text name="failUI"></s:text>
15 </title>
16
17 <meta http-equiv="pragma" content="no-cache">
18 <meta http-equiv="cache-control" content="no-cache">
19 <meta http-equiv="expires" content="0">
20 <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
21 <meta http-equiv="description" content="This is my page">
22 <!--
23 <link rel="stylesheet" type="text/css" href="styles.css">
24 -->
25
26 </head>
27
28 <body>
29 <s:text name="fail_message"></s:text>
30 <s:a href="ui">
31 <s:text name="login" />
32 </s:a>
33 <br>
34 </body>
35 </html>