1.1.  Spring整合jpa

1.1.1.  新建工程

1.1.2.  引入jar包

1.        所使用hibernat版本：hibernate-release-4.3.7.Final，Lib\jpa目录和lib\required目录下所有的jar包，

2.        mysql驱动包

3.        spring版本spring-framework-4.1.3.RELEASE，libs下所有的jar包

4.        tomcat jdbc连接池 tomcat-jdbc-7.0.53.jar和tomcat-juli-7.0.53.jar

5.        日志包commons-logging-1.1.3.jar

6.        aopalliance-1.0.jar

7.        。。。。。。

spring整合jpa_java

spring整合jpa_xml_02

1.1.3.  持久化配置文件persistence.xml

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd" version="1.0">
  
<!-- persistence-unit 
       name指定持久化单元的名字
       transaction-type指定事务类型为本地事务
  -->
<persistence-unit name="jpaDemo" transaction-type="RESOURCE_LOCAL">
<properties>
<property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect"/>
<property name="hibernate.connection.driver_class" value="com.mysql.jdbc.Driver"/>
<property name="hibernate.connection.username" value="root"/>
<property name="hibernate.connection.password" value="root"/>
<property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/mysql?useUnicode=true&characterEncoding=UTF-8"/>
<property name="hibernate.hbm2ddl.auto" value="update"/>
<property name="hibernate.show_sql" value="true"/>
</properties>
</persistence-unit>
</persistence>

1.1.4.  实体类Person.xml

Person.xml

package com.morris.entity;
 
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
 
@Entity
public class Person {
 
         @Id
         @GeneratedValue
         private Integer id;
 
         private String name;
 
         private Integer age;
 
         public Integer getId() {
                   return id;
         }
 
         public void setId(Integer 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;
         }
 
         public Person( String name, Integer age) {
                   super();
                   this.name = name;
                   this.age = age;
         }
 
         public Person() {
                   super();
                   // TODO Auto-generated constructor stub
         }
 
         @Override
         public String toString() {
                   return "Person [id=" + id + ", name=" + name + ", age=" + age + "]";
         }
 
}

1.1.5.  Dao接口

IpersonDao.Java

package com.morris.dao.inter;
 
import com.morris.entity.Person;
 
public  interface IPersonDao {
 
    void save(Person person);
}

1.1.6.  Dao接口具体实现类

PersonDaoImpl.java

package com.morris.dao.impl;
 
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.Transactional;
 
import org.springframework.stereotype.Repository;
 
import com.morris.dao.inter.IPersonDao;
import com.morris.entity.Person;
 
@Repository("personDao")
public class PersonDaoImpl implements IPersonDao {
         
         @PersistenceContext
         private EntityManager entityManager;
 
         @Transactional
         public void save(Person person) {
                   entityManager.persist(person);
         }
 
}

1.1.7.  Service接口

IpersonService.java

package com.morris.service.inter;
 
import com.morris.entity.Person;
 
public  interface IPersonService {
    void save(Person person);
}

1.1.8.  Service接口具体实现类

PersonServiceImpl.java

package com.morris.service.impl;
 
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import com.morris.dao.inter.IPersonDao;
import com.morris.entity.Person;
import com.morris.service.inter.IPersonService;
 
@Service("personService")
public class PersonServiceImpl implements IPersonService {
 
         @Autowired
         private IPersonDao personDao;
         
         public void save(Person person) {
 
                   personDao.save(person);
         }
 
}

1.1.9.  Spring配置文件

Spring.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:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:p="http://www.springframework.org/schema/p" xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:jpa="http://www.springframework.org/schema/data/jpa"
 
xsi:schemaLocation="http://www.springframework.org/schema/beans   
          http://www.springframework.org/schema/beans/spring-beans-3.1.xsd   
          http://www.springframework.org/schema/context   
          http://www.springframework.org/schema/context/spring-context-3.1.xsd   
          http://www.springframework.org/schema/aop   
          http://www.springframework.org/schema/aop/spring-aop-3.1.xsd   
          http://www.springframework.org/schema/tx    
          http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
          http://www.springframework.org/schema/cache 
          http://www.springframework.org/schema/cache/spring-cache-3.1.xsd
          http://www.springframework.org/schema/data/jpa
          http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
 
 
<!-- 数据源 -->
<bean id="dataSource" class="org.apache.tomcat.jdbc.pool.DataSource">
<property name="driverClassName" value="com.mysql.jdbc.Driver" />
<property name="url" value="jdbc:mysql://localhost:3306/mysql" />
<property name="username" value="root" />
<property name="password" value="root" />
<property name="initialSize" value="5" />
<property name="minIdle" value="5" />
<property name="maxIdle" value="30" />
<property name="maxActive" value="100" />
<property name="maxWait" value="1000" />
</bean>
 
<bean id="entityManagerFactory"
class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
<property name="dataSource" ref="dataSource" />
<property name="persistenceXmlLocation" value="classpath:META-INF/persistence.xml" />
<property name="persistenceUnitName" value="jpaDemo" />
<property name="jpaVendorAdapter">
<bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
<property name="showSql" value="true" />
<property name="generateDdl" value="false" />
</bean>
</property>
</bean>
 
 
 
 
<!-- 定义扫描根路径，不使用默认的扫描方式 -->
<context:component-scan base-package="com.morris"
use-default-filters="false">
<!-- 扫描符合@Service @Repository的类 -->
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Service" />
<context:include-filter type="annotation"
expression="org.springframework.stereotype.Repository" />
</context:component-scan>
 
 
<tx:annotation-driven transaction-manager="transactionManager" />
 
 
<bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
<property name="entityManagerFactory" ref="entityManagerFactory" />
</bean>
 
 
 
<jpa:repositories base-package="com.morris.dao"
entity-manager-factory-ref="entityManagerFactory"
transaction-manager-ref="transactionManager" />
</beans>

1.1.10.          测试文件

TestPerson.java

package com.morris.test;
 
 
import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;
 
import com.morris.entity.Person;
import com.morris.service.inter.IPersonService;
 
public  class TestPerson {
 
    
@Test
    public  void save() {
       
       
       ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("spring.xml");
       
"personService");
       
       personService.save(new Person("morris131",131));
 
       
       
    }
 
}

1.1.11.          结果

后台打印sql语句

Hibernate: insert into Person (age, name) values (?, ?)