Hibernate和spring集成

  

      知识点： 1、在框架集成中spring这个框架充当的角色是黏合的作用，所以在做集成的时候我们需要将hibennate的配置文件交给spring启动。
               2、目标
               3、通知
               4、代理
               5、sessionFactory的注入

     首先看一下目录结构：

    
   步骤一：反转出相对应的实体，啰嗦一句，实体必须要有主键（代码如下）：
    
  

package cn.zhuojingxinxi.entity;

/**
 * Person entity.
 * 
 * @author MyEclipse Persistence Tools
 */

public class Person implements java.io.Serializable {

	// Fields

	private Long pid;
	private String pname;
	private String pass;

	// Constructors

	/** default constructor */
	public Person() {
	}

	/** full constructor */
	public Person(String pname, String pass) {
		this.pname = pname;
		this.pass = pass;
	}

	// Property accessors

	public Long getPid() {
		return this.pid;
	}

	public void setPid(Long pid) {
		this.pid = pid;
	}

	public String getPname() {
		return this.pname;
	}

	public void setPname(String pname) {
		this.pname = pname;
	}

	public String getPass() {
		return this.pass;
	}

	public void setPass(String pass) {
		this.pass = pass;
	}

}

   

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- 
    Mapping file autogenerated by MyEclipse Persistence Tools
-->
<hibernate-mapping>
    <class name="cn.zhuojingxinxi.entity.Person" table="PERSON" schema="SCOTT">
        <id name="pid" type="java.lang.Long">
            <column name="PID" precision="22" scale="0" />
            <generator class="increment" />
        </id>
        <property name="pname" type="java.lang.String">
            <column name="PNAME" length="50" />
        </property>
        <property name="pass" type="java.lang.String">
            <column name="PASS" length="50" />
        </property>
    </class>
</hibernate-mapping>

  步骤二、编写Dao层，请一定要编写接口（代码如下）：
    
     PersonDao接口：
      

package cn.zhuojingxinxi.dao;

import cn.zhuojingxinxi.entity.Person;

public interface PersonDao {
	public void savePerson(Person person);

}

  
      PersonDaoImp实现类（为了能够拿到session必须继承HibernateDaoSupport）：
  

package cn.zhuojingxinxi.dao.impl;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import cn.zhuojingxinxi.dao.PersonDao;
import cn.zhuojingxinxi.entity.Person;

public class PersonDaoImpl extends HibernateDaoSupport implements PersonDao {
	
	

	public void savePerson(Person person) {
		
		 this.getHibernateTemplate().save(person);
	}

}

   步骤三、编写biz层（即业务处理层）（同样必须写接口）：
     PersonService接口：
   

package cn.zhuojingxinxi.biz;

import cn.zhuojingxinxi.entity.Person;

public interface PersonService {
	public void savePerson(Person person);

}

    PersonServiceImp实现类（实现类中操作dao层中的方法，所以必须将PersonDao注入进来）：
   

package cn.zhuojingxinxi.biz.impl;

import cn.zhuojingxinxi.biz.PersonService;
import cn.zhuojingxinxi.dao.PersonDao;
import cn.zhuojingxinxi.entity.Person;

public class PersonServiceImpl implements PersonService{
	
   private PersonDao personDao=null;
   


	public void setPersonDao(PersonDao personDao) {
	this.personDao = personDao;
}



	    public void savePerson(Person person) {
	    	personDao.savePerson(person);
		
		
	}

}

步骤四、编写测试类代码（假如还要和struts2集成，不要开tomcat测试，因为加载速度慢，所以编写测试类是有必要的）
   

package cn.zhuojingxinxi.test;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import cn.zhuojingxinxi.biz.PersonService;
import cn.zhuojingxinxi.dao.PersonDao;
import cn.zhuojingxinxi.entity.Person;

public class Test {
	
	public static void main(String[] args) {
		ApplicationContext context=new ClassPathXmlApplicationContext(new String[]{"applicationContext.xml"});
		// SessionFactory sessionFactory= (SessionFactory)context.getBean("sessionFactory");
//		Session session=sessionFactory.openSession();
//		
//		System.out.println(session);
		 
		 PersonDao  dao=(PersonDao)context.getBean("personDao");
		 
		 PersonService personService=(PersonService)context.getBean("personService");
		 
		 Person p=new  Person();
		 p.setPname("xiaohua");
		 p.setPass("123321");
		 
		 personService.savePerson(p);
		 
	
	}

}

      步骤五、applicationContext.xml的编写（非常重要）
     

<?xml version="1.0" encoding="UTF-8"?>
<beans
	xmlns="http://www.springframework.org/schema/beans"
	xmlns:tx="http://www.springframework.org/schema/tx"
	xmlns:aop="http://www.springframework.org/schema/aop"
	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-2.0.xsd
	                    http://www.springframework.org/schema/tx 
	                    http://www.springframework.org/schema/tx/spring-tx-2.0.xsd
	                    http://www.springframework.org/schema/aop 
	                    http://www.springframework.org/schema/aop /spring-aop-2.0.xsd"
	                    
	                    
	                    
	                    >


	<bean id="sessionFactory"
		class="org.springframework.orm.hibernate3.LocalSessionFactoryBean">
		<property name="configLocation"
			value="classpath:hibernate.cfg.xml">
		</property>
	</bean>
	
	   <bean id="personDao" class="cn.zhuojingxinxi.dao.impl.PersonDaoImpl">
	   <property name="sessionFactory" ref="sessionFactory"></property>
	   </bean>
	   
	   <!-- 目标 -->
	   <bean id="personService" class="cn.zhuojingxinxi.biz.impl.PersonServiceImpl">
	      <property name="personDao" ref="personDao"></property>
	   
	   </bean>
	   
	   <!-- 定义一个事务管理器(通知) -->
	   
	   <bean id="transactionManage" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
	     <property name="sessionFactory" ref="sessionFactory"></property>
	   </bean>
	   
	   <!-- 代理 -->
	   <bean id="personServiceProxy" class="org.springframework.transaction.interceptor.TransactionProxyFactoryBean">
	     
	     <property name="target" ref="personService"></property>
	     <property name="transactionManager" ref="transactionManage"></property>
	     <property name="transactionAttributes">
	        <props>
	          <prop key="save*">PROPAGATION_REQUIRED</prop>
	        </props>
	     </property>
	   
	   </bean>
	
	
	</beans>

需要注意的是：必须配置开头的tx、aop，否则事务是不会提交的。

源码下载请点这里：