这篇主要讲解spring + struts2 + hibernate :
目录结构如下:
t_role
t_user
1.新建 web项目 :spring_ssh
2.在 WebRoot/WEB-INF/lib 下 导入jar包
antlr-2.7.7.jar
aopalliance.jar
asm-3.3.jar
asm-commons-3.3.jar
asm-tree-3.3.jar
aspectjweaver.jar
commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang3-3.1.jar
commons-logging.jar
dom4j-1.6.1.jar
freemarker-2.3.19.jar
hibernate-commons-annotations-4.0.5.Final.jar
hibernate-core-4.3.10.Final.jar
hibernate-jpa-2.1-api-1.0.0.Final.jar
jandex-1.1.0.Final.jar
javassist-3.18.1-GA.jar
jboss-logging-3.1.3.GA.jar
jboss-logging-annotations-1.2.0.Beta1.jar
jboss-transaction-api_1.2_spec-1.0.0.Final.jar
jstl-1.2.jar
mysql-connector-java-5.1.20-bin.jar
ognl-3.0.5.jar
spring-aop-4.1.6.RELEASE.jar
spring-aspects-4.1.6.RELEASE.jar
spring-beans-4.1.6.RELEASE.jar
spring-context-4.1.6.RELEASE.jar
spring-core-4.1.6.RELEASE.jar
spring-expression-4.1.6.RELEASE.jar
spring-jdbc-4.1.6.RELEASE.jar
spring-orm-4.1.6.RELEASE.jar
spring-tx-4.1.6.RELEASE.jar
spring-web-4.1.6.RELEASE.jar
struts2-core-2.3.4.jar
struts2-spring-plugin-2.3.4.jar
xwork-core-2.3.4.jar
3.编写vo类 :Role.java , User.java
Role.java
package cn.vincent.vo;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Table;
@Entity
@Table(name="t_role")
public class Role implements Serializable {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
User.java
package cn.vincent.vo;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
@Entity
@Table(name="t_user")
public class User implements Serializable {
@Id
@GeneratedValue(strategy=GenerationType.AUTO)
private int id;
private String name;
private int age;
@ManyToOne
@JoinColumn(name="roleId")
private Role role;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public Role getRole() {
return role;
}
public void setRole(Role role) {
this.role = role;
}
}
4.编写 dao
UserDao.java
package cn.vincent.dao;
import java.util.List;
import cn.vincent.vo.User;
public interface UserDao {
public List<User> findAll();
}
UserDaoImpl.java
package cn.vincent.dao.impl;
import java.util.List;
import org.hibernate.SessionFactory;
import cn.vincent.dao.UserDao;
import cn.vincent.vo.User;
public class UserDaoImpl implements UserDao{
private SessionFactory sessionFactory;
@Override
public List<User> findAll() {
return sessionFactory.getCurrentSession()
.createQuery("from User").list();
}
public void setSessionFactory(SessionFactory sessionFactory) {
this.sessionFactory = sessionFactory;
}
}
5.编写 service
UserService.java
package cn.vincent.service;
import java.util.List;
import cn.vincent.vo.User;
public interface UserService {
public List<User> findAll();
}
UserServiceImpl.java
package cn.vincent.service.impl;
import java.util.List;
import cn.vincent.dao.UserDao;
import cn.vincent.service.UserService;
import cn.vincent.vo.User;
public class UserServiceImpl implements UserService {
private UserDao userDao;
@Override
public List<User> findAll() {
return userDao.findAll();
}
public void setUserDao(UserDao userDao) {
this.userDao = userDao;
}
}
6.编写 action
package cn.vincent.action;
import java.util.List;
import com.opensymphony.xwork2.Action;
import cn.vincent.service.UserService;
import cn.vincent.vo.User;
public class UserAction {
private List<User> list;
private UserService userService;
public String list(){
list = userService.findAll();
return Action.SUCCESS;
}
public List<User> getList() {
return list;
}
public void setList(List<User> list) {
this.list = list;
}
public UserService getUserService() {
return userService;
}
public void setUserService(UserService userService) {
this.userService = userService;
}
}
7.编写 spring 配置文件
applicationContext-dao.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver"/>
<property name="url" value="jdbc:mysql:///test"/>
<property name="username" value="root"/>
<property name="password" value="root"/>
</bean>
<!-- sessionFactory对象由spring来创建 -->
<bean id="sessionFactory" class="org.springframework.orm.hibernate4.LocalSessionFactoryBean">
<property name="dataSource" ref="dataSource"/>
<!-- 通用属性配置 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
<prop key="hibernate.show_sql">true</prop>
<prop key="hibernate.format_sql">true</prop>
</props>
</property>
<!-- 配置映射文件 -->
<property name="annotatedClasses">
<array>
<value>cn.vincent.vo.User</value>
<value>cn.vincent.vo.Role</value>
</array>
</property>
</bean>
<!-- 配置声明式事务 -->
<!-- 配置事务管理器 -->
<bean id="txManager" class="org.springframework.orm.hibernate4.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory"></property>
</bean>
<!-- 配置事务通知 -->
<tx:advice id="txAdvice" transaction-manager="txManager">
<tx:attributes>
<!-- 表示以save开头的方法都需要事务
propagation 表示事务的传播特性
REQUIRED 查看当前是否有事务,如果有,使用当前事务,如果没有开启新事务
-->
<tx:method name="save*" propagation="REQUIRED"/>
<tx:method name="update*" propagation="REQUIRED"/>
<tx:method name="find*" read-only="true"/>
<tx:method name="*" propagation="REQUIRED"/>
</tx:attributes>
</tx:advice>
<!-- 配置事务aop -->
<aop:config>
<!--expression 指明事务在哪里起作用
第一个* 表示所有返回值
第二个* 表示所有类
第三个* 表示类中的所有方法
.. 表示所有参数
-->
<aop:pointcut expression="execution(* cn.vincent.service.impl.*.*(..))" id="pointcut"/>
<aop:advisor advice-ref="txAdvice" pointcut-ref="pointcut"/>
</aop:config>
</beans>
applicationContext-asd.xml
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:aop="http://www.springframework.org/schema/aop"
xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop
http://www.springframework.org/schema/aop/spring-aop.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx.xsd">
<bean id="userDao" class="cn.vincent.dao.impl.UserDaoImpl">
<property name="sessionFactory" ref="sessionFactory"/>
</bean>
<bean id="userService" class="cn.vincent.service.impl.UserServiceImpl">
<property name="userDao" ref="userDao"/>
</bean>
<bean id="userAction" class="cn.vincent.action.UserAction" scope="prototype">
<property name="userService" ref="userService"></property>
</bean>
</beans>
8.编写 struts2 配置文件
struts.xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
"http://struts.apache.org/dtds/struts-2.3.dtd">
<struts>
<package name="default" namespace="/" extends="struts-default">
<action name="list" class="userAction" method="list">
<result>/list.jsp</result>
</action>
</package>
</struts>
9.编写 web.xml
<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_9" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
<!-- spring的配置 -->
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>classpath:applicationContext-*.xml</param-value>
</context-param>
<!-- 监听器 启动spring容器 -->
<listener>
<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
</listener>
<filter>
<filter-name>osiv</filter-name>
<filter-class>org.springframework.orm.hibernate4.support.OpenSessionInViewFilter</filter-class>
<init-param>
<param-name>sessionFactoryBeanName</param-name>
<param-value>sessionFactory</param-value>
</init-param>
</filter>
<filter-mapping>
<filter-name>osiv</filter-name>
<url-pattern>*.action</url-pattern>
</filter-mapping>
<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>
<url-pattern>/*</url-pattern>
</filter-mapping>
</web-app>
10.编写 jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<base href="<%=basePath%>">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>
用户管理</title>
</head>
<body>
<table width="80%" align="center">
<tr>
<td>编号</td>
<td>姓名</td>
<td>年龄</td>
<td>角色</td>
</tr>
<c:forEach items="${list }" var="bean">
<tr>
<td>${bean.id }</td>
<td>${bean.name }</td>
<td>
${bean.age }
</td>
<td>
${bean.role.name }
</td>
</tr>
</c:forEach>
</table>
</body>
</html>
首先部署项目
访问地址如下:
至于访问地址为什么是这个,可以查看 java之struts框架入门教程