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

posted on 2013-06-12 10:37 HackerVirus 阅读(655) 评论(0) 收藏举报

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SSH框架整合实现信息管理系统

视频讲解

项目结构

web.xml

JSP页面

登入页面（index.jsp）

列表页面（list.jsp）

添加页面（add.jsp）

详情页面（detail.jsp）

更新页面（update.jsp）

控制层（Action）

Struts.xml配置Action

UserAction.java

实体层（Bean）

User.java

User.hbm.xml 实体映射配置文件

业务逻辑层（Service）

IUserService接口

UserServiceImpl.java实现类

数据持久层（DAO）

IUserDAO接口

UserDAOImpl.java实现类

Spring全局配置文件（applicationContext.xml）