集成注解版本和xml版本所不同的地方
- 如果dao，service，action类不是自己写的还是在xml里面进行配置
- 只有是自己写的dao，service，action类，直接在类上面标注对应的注解
- 注解版本不建议继承HibernateDaoSupport实现持久层操作
- 必须要提供事务支持
UserDAOImpl
package com.jege.ssh.dao.impl;
import java.util.List;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;
import com.jege.ssh.dao.UserDAO;
import com.jege.ssh.entity.User;
/**
* @author JE哥
* @email 1272434821@qq.com
* @description:dao接口实现
*/
@Repository
public class UserDAOImpl implements UserDAO {
@Autowired
SessionFactory sessionFactory;
private Session currentSession() {
return sessionFactory.getCurrentSession();
}
@Override
public void save(User user) {
currentSession().save(user);
}
@Override
public void update(User user) {
currentSession().update(user);
}
@Override
public void delete(Long id) {
User user = findByKey(id);
if (user != null) {
currentSession().delete(user);
}
}
@Override
public User findByKey(Long id) {
return (User) currentSession().get(User.class, id);
}
@Override
public List<User> findAll() {
return currentSession().createCriteria(User.class).list();
}
}
UserServiceImpl
package com.jege.ssh.service.impl;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.jege.ssh.dao.UserDAO;
import com.jege.ssh.entity.User;
import com.jege.ssh.service.UserService;
/**
* @author JE哥
* @email 1272434821@qq.com
* @description:业务逻辑层
*/
@Service
@Transactional
public class UserServiceImpl implements UserService {
@Autowired
private UserDAO userDAO;
@Override
public void save(User user) {
userDAO.save(user);
}
@Override
public void update(User user) {
userDAO.update(user);
}
@Override
public void delete(Long id) {
userDAO.delete(id);
}
@Override
@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public User findByKey(Long id) {
return userDAO.findByKey(id);
}
@Override
@Transactional(readOnly = true, propagation = Propagation.SUPPORTS)
public List<User> findAll() {
return userDAO.findAll();
}
}
UserAction
package com.jege.ssh.action;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Controller;
import com.jege.ssh.entity.User;
import com.jege.ssh.service.UserService;
import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
/**
* @author JE哥
* @email 1272434821@qq.com
* @description:控制器类
*/
@Controller
@Scope("prototype")
public class UserAction extends ActionSupport {
@Autowired
private UserService userService;
private User user;
@Override
public String execute() throws Exception {
ActionContext.getContext().put("users", userService.findAll());
return SUCCESS;
}
@Override
public String input() throws Exception {
if (user != null && user.getId() != null) {
user = userService.findByKey(user.getId());
}
return INPUT;
}
public String save() throws Exception {
if (user == null) {
return execute();
}
if (user.getId() == null) {
userService.save(user);
} else {
userService.update(user);
}
return "redirect";
}
public String delete() throws Exception {
if (user != null && user.getId() != null) {
userService.delete(user.getId());
}
return "redirect";
}
public User getUser() {
return user;
}
public void setUser(User user) {
this.user = user;
}
}
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" xmlns:tx="http://www.springframework.org/schema/tx"
xsi:schemaLocation="
http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd
http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd">
<context:component-scan base-package="com.jege.ssh" />
<context:property-placeholder location="classpath:jdbc.properties" />
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
<property name="driverClassName" value="${jdbc.driverClassName}" />
<property name="username" value="${jdbc.username}" />
<property name="password" value="${jdbc.password}" />
<property name="url" value="${jdbc.url}" />
</bean>
<bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
<property name="dataSource" ref="dataSource" />
<!-- 引入jpa的包 -->
<property name="packagesToScan" value="com.jege.ssh.entity" />
<!-- hibernate的其他配置信息，必须添加hibernate.前缀 -->
<property name="hibernateProperties">
<props>
<prop key="hibernate.dialect">${hibernate.dialect}</prop>
<prop key="hibernate.show_sql">${hibernate.show_sql}</prop>
<prop key="hibernate.hbm2ddl.auto">${hibernate.hbm2ddl.auto}</prop>
</props>
</property>
</bean>
<bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
<property name="sessionFactory" ref="sessionFactory" />
</bean>
<tx:annotation-driven transaction-manager="transactionManager" />
</beans>
User
package com.jege.ssh.entity;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
/**
* @author JE哥
* @email 1272434821@qq.com
* @description:单表
*/
@Entity
public class User {
@Id
@GeneratedValue
private Long id;
private String name;
private Integer age;
public User() {
}
public User(String name, Integer age) {
this.name = name;
this.age = age;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
@Override
public String toString() {
return "User [id=" + id + ", name=" + name + ", age=" + age + "]";
}
}
其他关联项目
- Struts2 Spring3 Hibernate3 集成xml版本-1
http://blog.csdn.net/je_ge/article/details/54429976 - Struts2 Spring3 Hibernate3 集成xml版本-2
http://blog.csdn.net/je_ge/article/details/54429976
源码地址
https://github.com/je-ge/framework
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