SSH框架整合实现信息管理系统
SSH框架整合实现信息管理系统
视频讲解 项目结构
web.xml
<? xml version="1.0" encoding="UTF-8" ?>
< web-app version ="2.5" xmlns ="http://java.sun.com/xml/ns/javaee"
xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation ="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" >
<!-- 首页 -->
< welcome-file-list >
< welcome-file > index.jsp </ welcome-file >
</ welcome-file-list >
<!-- Struts过滤转发器 -->
< filter >
< filter-name > struts2 </ filter-name >
< filter-class > org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
</ filter-class >
</ filter >
< filter-mapping >
< filter-name > struts2 </ filter-name > <!-- 转发 -->
< url-pattern > /* </ url-pattern > <!-- 过滤 -->
</ filter-mapping >
<!-- Spring环境加载监听器 -->
< listener >
< listener-class > org.springframework.web.context.ContextLoaderListener </ listener-class >
</ listener >
</ web-app >
JSP 页面
登入页面（ index.jsp ）
<% @ page pageEncoding = " GBK " %>
< h1 > 管理员登录 </ h1 > (测试账号密码都是admin)
< form action ="UserAction_login" method ="post" >
账号 < input type ="text" name ="user.name" >< br >
密码 < input type ="password" name ="user.pswd" >< br >
< input type ="submit" value ="登录" >
</ form >
列表页面（ list.jsp ）
<% @taglib prefix = " s " uri = " /struts-tags " %>
< table border ="1" >
< tr >
< th > ID </ th >< th > name </ th >< th > pswd </ th >< th > update </ th >< th > delete </ th >
</ tr >
< s:iterator value ="#request.list" >
< tr >
< td >< s:property value ="id" /></ td >
< td >< s:a href ="UserAction_detail?user.id=%{id}" >< s:property value ="name" /></ s:a ></ td >
< td >< s:property value ="pswd" /></ td >
< td >< s:a href ="UserAction_toUpdate?user.id=%{id}" > update </ s:a ></ td >
< td >< s:a href ="UserAction_delete?user.id=%{id}" > delete </ s:a ></ td >
</ tr >
</ s:iterator >
</ table >
< a href ="add.jsp" > add </ a >
添加页面（ add.jsp ）
< form action ="UserAction_add" method ="post" >
name < input name ="user.name" type ="text" >< br >
pswd < input name ="user.pswd" type ="password" >< br >
< input type ="submit" value ="add" >
</ form >
详情页面（ detail.jsp ）
<% @taglib prefix = " s " uri = " /struts-tags " %> id: < s:property value ="user.id" />< br /> name: < s:property value ="user.name" />< br /> pswd: < s:property value ="user.pswd" />
更新页面（ update.jsp ）
<% @taglib prefix = " s " uri = " /struts-tags " %>
< form action ="UserAction_update" method ="post" >
< s:hidden name ="user.id" ></ s:hidden >
name: < input name ="user.name" type ="text" value ="<s:property value=" user.name" /> "> < br >
pswd: < input name ="user.pswd" type ="password" >< br >
< input type ="submit" value ="modify" >
</ form >
控制层（ Action ）
Struts.xml 配置 Action
<? xml version="1.0" encoding="UTF-8" ?>
<! DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd" >
< struts >
< constant name ="struts.devMode" value ="true" />
< constant name ="struts.i18n.encoding" value ="GBK" ></ constant >
< package name ="user" extends ="struts-default" >
< action name ="UserAction_*" class ="userAction" method ="{1}" >
<!-- *匹配任意字符，{1}指第一个星号匹配到的字符 -->
<!-- 重定向到UserAction执行list方法 -->
< result name ="success" type ="redirectAction" > UserAction_list </ result >
<!-- 返回结果相应页面 -->
< result name ="login" > /index.jsp </ result >
< result name ="list" > /list.jsp </ result >
< result name ="detail" > /detail.jsp </ result >
< result name ="update" > /update.jsp </ result >
</ action >
</ package >
</ struts >
UserAction.java
1 package com.lyltim.action;
2
3 import javax.annotation.Resource;
4
5 import org.apache.struts2.ServletActionContext;
6 import org.springframework.stereotype.Controller;
7
8 import com.lyltim.bean.User;
9 import com.lyltim.service.IUserService;
10 import com.opensymphony.xwork2.ActionSupport;
11
12 @Controller("userAction" )
13 public class UserAction extends ActionSupport {
14
15 private User user;
16
17 // 注入userService
18 @Resource
19 IUserService userService;
20
21 public void setUserService(IUserService userService) {
22 this .userService = userService;
23 }
24 public User getUser() {
25 return user;
26 }
27 public void setUser(User user) {
28 this .user = user;
29 }
30
31 public String login() {
32 if (userService.checkLogin(user))
33 return SUCCESS;
34 else
35 return LOGIN;
36 }
37
38 public String list() {
39 ServletActionContext.getRequest().setAttribute("list", userService.list());
40 return "list" ;
41 }
42
43 public String add() {
44 userService.add(user);
45 return SUCCESS;
46 }
47
48 public String detail() {
49 user = userService.getUser(user.getId());
50 return "detail" ;
51 }
52
53 // 先获得要更新的用户的信息，显示到更新页面。
54 public String toUpdate() {
55 user = userService.getUser(user.getId());
56 return "update" ;
57 }
58
59 // 更新用户信息
60 public String update() {
61 userService.update(user);
62 return SUCCESS;
63 }
64
65 public String delete() {
66 userService.delete(user.getId());
67 return SUCCESS;
68 }
69
70 }
实体层（ Bean ）
User.java
1 package com.lyltim.bean;
2 public class User {
3 private int id;
4 private String name, pswd;
5 // Getters and Setters...
6 }
User.hbm.xml 实体映射配置文件
<? xml version="1.0" ?>
<! DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd" >
< hibernate-mapping >
< class name ="com.lyltim.bean.User" table ="user" >
< id column ="id" name ="id" type ="int" >
< generator class ="native" />
</ id >
< property column ="name" name ="name" not-null ="true" type ="string" />
< property column ="pswd" name ="pswd" not-null ="true" type ="string" />
</ class >
</ hibernate-mapping >
业务逻辑层（ Service ）
IUserService 接口
1 package com.lyltim.service;
2
3 import java.util.List;
4 import com.lyltim.bean.User;
5
6 public interface IUserService {
7 boolean checkLogin(User user); // 登入验证
8 void add(User user); // 添加用户
9 List<User> list(); // 列出所有用户
10 User getUser( int id); // 根据ID查找用户
11 void update(User user); // 修改用户
12 void delete( int id); // 删除用户
13 }
UserServiceImpl.java 实现类
1 package com.lyltim.service;
2
3 import java.util.List;
4 import javax.annotation.Resource;
5 import org.springframework.stereotype.Service;
6
7 import com.lyltim.bean.User;
8 import com.lyltim.dao.IUserDAO;
9
10 @Service("userService" )
11 public class UserServiceImpl implements IUserService {
12
13 // 注入userDAO
14 @Resource
15 private IUserDAO userDAO;
16
17 public void setUserDAO(IUserDAO userDAO) {
18 this .userDAO = userDAO;
19 }
20
21 // 登入验证
22 public boolean checkLogin(User user) {
23 if ("admin".equals(user.getName()) && "admin" .equals(user.getPswd()))
24 return true ;
25 else
26 return false ;
27 }
28
29 // 添加用户
30 public void add(User user) {
31 userDAO.add(user);
32 }
33
34 // 列出所有用户
35 public List<User> list() {
36 return userDAO.list();
37 }
38
39 // 查询某个用户
40 public User getUser( int id) {
41 return userDAO.getUser(id);
42 }
43
44 // 修改某个用户的资料
45 public void update(User user) {
46 userDAO.update(user);
47 }
48
49 // 删除某个用户
50 public void delete( int id) {
51 userDAO.delete(id);
52 }
53
54 }
数据持久层（ DAO ）
IUserDAO接口
1 package com.lyltim.dao;
2
3 import java.util.List;
4 import com.lyltim.bean.User;
5
6 public interface IUserDAO {
7 void add(User user); // 添加用户
8 List<User> list(); // 列出所有用户
9 User getUser( int id); // 根据ID查找用户
10 void update(User user); // 修改用户
11 void delete( int id); // 删除用户
12 }
UserDAOImpl.java 实现类
1 package com.lyltim.dao;
2
3 import java.util.List;
4
5 import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
6 import org.springframework.stereotype.Repository;
7
8 import com.lyltim.bean.User;
9
10 @Repository("userDAO" )
11 public class UserDAOImpl extends HibernateDaoSupport implements IUserDAO {
12
13 public void add(User user) {
14 getHibernateTemplate().save(user);
15 }
16
17 public List<User> list() {
18 return getHibernateTemplate().find("from User" );
19 }
20
21 public User getUser( int id) {
22 return getHibernateTemplate().get(User. class , id);
23 }
24
25 public void update(User user) {
26 getHibernateTemplate().update(user);
27 }
28
29 public void delete( int id) {
30 getHibernateTemplate().delete(getHibernateTemplate().get(User. class , id));
31 }
32 }
Spring 全局配置文件（ applicationContext.xml ）
<? xml version="1.0" encoding="UTF-8" ?>
< beans xmlns ="http://www.springframework.org/schema/beans"
xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"
xmlns:context ="http://www.springframework.org/schema/context"
xsi:schemaLocation ="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd" >
< bean id ="dataSource" class ="org.apache.commons.dbcp.BasicDataSource" destroy-method ="close" >
< property name ="driverClassName" value ="com.mysql.jdbc.Driver" />
< property name ="url" value ="jdbc:mysql:///test" />
< property name ="username" value ="root" />
< property name ="password" value ="123" />
</ bean >
< bean id ="sessionFactory" class ="org.springframework.orm.hibernate3.LocalSessionFactoryBean" >
< property name ="dataSource" ref ="dataSource" />
< property name ="mappingResources" >
< list >
< value > com/lyltim/bean/User.hbm.xml </ value >
</ list >
</ property >
< property name ="hibernateProperties" >
< props >
< prop key ="hibernate.dialect" > org.hibernate.dialect.MySQL5Dialect </ prop >
< prop key ="hibernate.hbm2ddl.auto" > create-drop </ prop >
< prop key ="hibernate.show_sql" > true </ prop >
</ props >
</ property >
</ bean >
< bean id ="userDAO" class ="com.lyltim.dao.UserDAOImpl" >
< property name ="sessionFactory" ref ="sessionFactory" />
</ bean >
<!-- 启用注解注入 -->
< context:annotation-config />
<!-- 启用组件扫描 -->
< context:component-scan base-package ="com.lyltim" />
</ beans >
分类: Java
标签: Java , JavaEE
作者： Leo_wl
出处： http://www.cnblogs.com/Leo_wl/
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