演讲稿

Hibernate学习总结

时间：2024.4.13

hibernate连接各种数据库（mysql、ms sql、Oracle）

用户库：

mysql

mysql-connector-java-3.1.13-bin.jar

mssql

sqljdbc4.jar

oracle10g

ojdbc14_g.jar

配置文件

工具准备：

需要包：

hibernate-annotation-3.4.0.GA.zip

hibernate-distribution-3.3.2.GA-dist.zip

slf4j-1.5.8.zip

mysql-connector-java-3.1.13-bin.jar

-----------------------------------------------------------------

hibernate-annotation-3.4.0.GA.zip

hibernate-annotations.jar

\lib\ejb3-persistence.jar

\lib\hibernate-commons-annoations.jar

---------------------------------------------

hibernate-distribution-3.3.2.GA-dist.zip

hibernate3.jar

lib\required\antlr-2.7.6.jar

lib\required\commons-collections-3.1.jar

lib\required\dom4j-1.6.1.jar

lib\required\javassist-3.9.GA.jar

lib\required\jta-1.1.jar

lib\required\slf4j-api-1.5.8.jar

--------------------------------

slf4j-1.5.8.zip

slf4j-nop-1.5.8.jar

打开eclipse，Windows->Preferences->User Libraries

添加hibernate、hibernateAnnotation、slf4j、mysql四个用户库，分别导入jar包

第一个hibernate例子（*.hbm.xml）

创建Java Project工程，hibernate，将四个用户库导入，

目录结构如下图所示：

源代码

hibernate.cfg.xml内容如下：

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-configuration PUBLIC

        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>

     <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

     <property name="connection.url">jdbc:mysql://localhost:3306/hibernate?useUnicode=true&amp;characterEncoding=UTF-8</property>

     <property name="connection.username">root</property>

     <property name="connection.password">bjsxt</property>

     <property name="connection.pool">1</property>

     <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

     <property name="show_sql">true</property>

     <property name="hbm2ddl.auto">update</property>

 

     <mapping resource="Person.hbm.xml"/>

    <!--  <mapping class="com.hibernate.bean.Person" /> -->

</session-factory>

</hibernate-configuration>

Person.java内容如下：

package com.hibernate.bean;

publicclass Person {

    private String id;

    private String name;

    public Person() {

    }

    public Person(String id, String name) {

       this.id = id;

       this.name = name;

    }

    public String getId() {

       return id;

    }

    publicvoid setId(String id) {

       this.id = id;

    }

    public String getName() {

       return name;

    }

    publicvoid setName(String name) {

       this.name = name;

    }

}

Person.hbm.xml内容如下：

<?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" >

<hibernate-mapping package="com.hibernate.bean">

    <class name="Person" table="person">

       <id name="id" column="id" type="string">

       </id>

       <property name="name" column="name" type="string" ></property>

    </class>

</hibernate-mapping>

PersonTest.java内容如下：

package junit.test;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

import org.junit.BeforeClass;

import org.junit.Test;

import com.hibernate.bean.Person;

publicclass PersonTest {

    privatestatic Session session;

    @BeforeClass

    publicstaticvoid setUpBeforeClass() throws Exception {

       Configuration cfg=new Configuration();

       SessionFactory sessionFactory=cfg.configure().buildSessionFactory();

       session=sessionFactory.openSession();

    }

   

    @Test

    publicvoid testSavePerson() {

       try {

           session.beginTransaction();

           session.save(new Person("sno1", "zhangsan"));

           session.getTransaction().commit();

       } catch (Exception e) {

           e.printStackTrace();

           session.getTransaction().rollback();

       } finally {

           if (session != null && !session.isOpen()) {

              session.close();

           }

       }

    }

    @Test

    publicvoid testQuery(){

       Person person=(Person)session.get(Person.class, "sno1");

       System.out.println(person.getId()+person.getName());

    }

}

Annotation(@Entity)例子

hibernate.cfg.xml：内容如下：

<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-configuration PUBLIC

        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"

        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>

<session-factory>

     <property name="connection.driver_class">com.mysql.jdbc.Driver</property>

     <property name="connection.url">jdbc:mysql://localhost:3306/hibernate?useUnicode=true&amp;characterEncoding=UTF-8</property>

     <property name="connection.username">root</property>

     <property name="connection.password">bjsxt</property>

     <property name="connection.pool">1</property>

     <property name="dialect">org.hibernate.dialect.MySQLDialect</property>

     <property name="show_sql">true</property>

     <property name="hbm2ddl.auto">update</property> 

      <!-- <mapping resource="Person.hbm.xml"/>-->

      <mapping class="com.hibernate.bean.Person" />

</session-factory>

</hibernate-configuration>

Person.java内容如下：

package com.hibernate.bean;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.Id;

@Entity

publicclass Person {

    private String id;

    private String name;

    public Person() {

    }

    public Person(String id, String name) {

       this.id = id;

       this.name = name;

    }

@Id

@Column(length=20)

    public String getId() {

       return id;

    }

    publicvoid setId(String id) {

       this.id = id;

    }

    @Column(length=20)

    public String getName() {

       return name;

    }

    publicvoid setName(String name) {

       this.name = name;

    }

}

PersonTest.java内容如下：

package junit.test;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.AnnotationConfiguration;

import org.hibernate.cfg.Configuration;

import org.junit.BeforeClass;

import org.junit.Test;

import com.hibernate.bean.Person;

publicclass PersonTest {

    privatestatic Session session;

    @BeforeClass

    publicstaticvoid setUpBeforeClass() throws Exception {

       Configuration cfg=new AnnotationConfiguration();

       SessionFactory sessionFactory=cfg.configure().buildSessionFactory();

       session=sessionFactory.openSession();

    }

   

    @Test

    publicvoid testSavePerson() {

       try {

           session.beginTransaction();

           session.save(new Person("sno1", "zhangsan"));

           session.getTransaction().commit();

       } catch (Exception e) {

           e.printStackTrace();

           session.getTransaction().rollback();

       } finally {

           if (session != null && !session.isOpen()) {

              session.close();

           }

       }

    }

    @Test

    publicvoid testQuery(){

       Person person=(Person)session.get(Person.class, "sno1");

       System.out.println(person.getId()+person.getName());

    }

}

Spring+hibernate

程序目录如下：

用户库：

hibernate用户库

hibernate-distribution-3.3.2.GA\hibernate3.jar

hibernate-distribution-3.3.2.GA\lib\required\antlr-2.7.6.jar

hibernate-distribution-3.3.2.GA\lib\required\commons-collections-3.1.jar

hibernate-distribution-3.3.2.GA\lib\required\dom4j-1.6.1.jar

hibernate-distribution-3.3.2.GA\lib\required\javassist-3.9.0.GA.jar

hibernate-distribution-3.3.2.GA\lib\required\jta-1.1.jar

hibernate-distribution-3.3.2.GA\lib\required\slf4j-api-1.5.8.jar

hibernateAnnotation用户库

hibernate-annotations-3.4.0.GA\hibernate-annotations.jar

hibernate-annotations-3.4.0.GA\lib\hibernate-commons-annotations.jar

hibernate-annotations-3.4.0.GA\lib\ejb3-persistence.jar

mysql用户库

mysql-connector-java-3.1.13-bin.jar

spring2.5.6用户库

spring-framework-2.5.6\dist\spring.jar

spring-framework-2.5.6\lib\jakarta-commons\commons-logging.jar

spring-framework-2.5.6\lib\jakarta-commons\commons-pool.jar

spring-framework-2.5.6\lib\jakarta-commons\commons-dbcp.jar

spring-framework-2.5.6\lib\j2ee\common-annotations.jar

spring-framework-2.5.6\lib\aspectj\aspectjrt.jar

spring-framework-2.5.6\lib\aspectj\aspectjweaver.jar

spring-framework-2.5.6\lib\cglib\cglib-nodep-2.1_3.jar

slf4j用户库

slf4j-1.5.8\slf4j-nop-1.5.8.jar

源代码

Person.java

package com.hibernate.bean;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.Id;

@Entity

public class Person {

       private String personId;

       private String name;

       public Person() {

       }

       public Person(String personId, String name) {

              this.personId = personId;

              this.name = name;

       }

       @Id

       @Column(length=20)

       public String getPersonId() {

              return personId;

       }

       public void setPersonId(String personId) {

              this.personId = personId;

       }

       @Column(length=20)

       public String getName() {

              return name;

       }

       public void setName(String name) {

              this.name = name;

       }

}

IPersonService.java

package com.hibernate.service;

import java.util.List;

import com.hibernate.bean.Person;

public interface IPersonService {

       public void save(Person person);

       public void delete(String personid);

       public void update(Person person);

       public Person getPerson(String personid);

       public List<Person> getPersonList();

}

PersonServiceBean.java

package com.hibernate.service.impl;

import java.util.List;

import javax.annotation.Resource;

import org.springframework.orm.hibernate3.HibernateTemplate;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import com.hibernate.bean.Person;

import com.hibernate.service.IPersonService;

@Service

@Transactional

publicclass PersonServiceBean implements  IPersonService {

    @Resource

    private HibernateTemplate hibernateTemplate;

    publicvoid save(Person person){

       hibernateTemplate.save(person);

    }

   

    publicvoid delete(String personid){

       hibernateTemplate.delete(hibernateTemplate.get(Person.class, personid));

    }

   

    publicvoid update(Person person){

       hibernateTemplate.merge(person);

    }

   

    public Person getPerson(String personid){

       return (Person)hibernateTemplate.get(Person.class, personid);

    }

   

    public List<Person> getPersonList(){

       returnhibernateTemplate.find("from Person");

    }

}

beans.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"

    xsi:schemaLocation="http://www.springframework.org/schema/beans

           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

           http://www.springframework.org/schema/context

           http://www.springframework.org/schema/context/spring-context-2.5.xsd

           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd

           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

    <context:component-scan base-package="com.hibernate" />

    <bean id="sessionFactory"

        class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">

       <property name="packagesToScan" value="com.hibernate.*" />

       <property name="hibernateProperties">

           <props>

              <prop key="hibernate.dialect">org.hibernate.dialect.MySQLInnoDBDialect</prop>

              <prop key="hibernate.connection.driver_class">com.mysql.jdbc.Driver</prop>

              <prop key="hibernate.connection.url">jdbc:mysql://localhost:3306/compass?useUnicode=true&amp;characterEncoding=UTF-8

              </prop>

              <prop key="hibernate.connection.username">root</prop>

              <prop key="hibernate.connection.password">bjsxt</prop>

              <prop key="hibernate.hbm2ddl.auto">update</prop>

              <prop key="hibernate.format_sql">false</prop>

              <prop key="hibernate.show_sql">false</prop>

           </props>

       </property>

    </bean>

    <bean id="hibernateTemplate" class="org.springframework.orm.hibernate3.HibernateTemplate">

       <property name="sessionFactory" ref="sessionFactory" />

    </bean>

    <bean id="txManager"

       class="org.springframework.orm.hibernate3.HibernateTransactionManager">

       <property name="sessionFactory" ref="sessionFactory" />

    </bean>

    <aop:config>

       <aop:pointcut id="bussinessService"

           expression="execution(public * com.hibernate.service.*.*(..))" />

       <aop:advisor pointcut-ref="bussinessService" advice-ref="txAdvice" />

    </aop:config>

    <tx:advice id="txAdvice" transaction-manager="txManager">

       <tx:attributes>

           <tx:method name="*" propagation="REQUIRED" />

       </tx:attributes>

    </tx:advice>

    <!---->

    <!-- 等同于上面AOP拦截配置 -->

    <!-- <tx:annotation-driven transaction-manager="txManager" /> -->

</beans>

PersonTest.java

package junit.test;

import java.util.List;

import org.junit.BeforeClass;

import org.junit.Test;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.hibernate.bean.Person;

import com.hibernate.service.IPersonService;

publicclass PersonTest {

    privatestatic IPersonService personService;

    @BeforeClass

    publicstaticvoid setUpBeforeClass() throws Exception {

       ApplicationContext applicationContext=new ClassPathXmlApplicationContext("beans.xml");

       personService=(IPersonService)applicationContext.getBean("personServiceBean");

    }

    @Test

    publicvoid testSave() {

       personService.save(new Person("sno4","张三"));

    }

   

    @Test

    publicvoid testUpdate(){

       personService.save(new Person("sno3","李四"));

    }

   

    @Test

    publicvoid testQueryList(){

       List<Person> persons=personService.getPersonList();

       for(Person person: persons){

           System.out.println(person.getPersonId()+person.getName());

       }

    }

    @Test

    publicvoid testDelete(){

       personService.delete("sno2");

    }

   

    @Test

    publicvoid testQuery(){

       Person person=personService.getPerson("sno3");

       System.out.println(person.getPersonId()+person.getName());

    }

}

Spring+hibernate+JPA

目录结构如下图

所需组件：

hibernate-annotations-3.4.0.GA.zip

hibernate-distribution-3.3.2.GA-dist.zip

hibernate-entitymanager-3.3.2.GA.zip

mysql-connector-java-3.1.13-bin.jar

slf4j-1.5.8.zip

用户库

所需jar包明细

hibernate-annotations-3.4.0.GA.zip

hibernate-annotations-3.4.0.GA\hibernate-annotations.jar

hibernate-annotations-3.4.0.GA\lib\hibernate-commons-annotations.jar

hibernate-annotations-3.4.0.GA\lib\ejb3-persistence.jar

hibernate-distribution-3.3.2.GA-dist.zip

hibernate-distribution-3.3.2.GA\hibernate3.jar

hibernate-distribution-3.3.2.GA\lib\required\antlr-2.7.6.jar

hibernate-distribution-3.3.2.GA\lib\required\commons-collections-3.1.jar

hibernate-distribution-3.3.2.GA\lib\required\dom4j-1.6.1.jar

hibernate-distribution-3.3.2.GA\lib\required\javassist-3.9.0.GA.jar

hibernate-distribution-3.3.2.GA\lib\required\jta-1.1.jar

hibernate-distribution-3.3.2.GA\lib\required\slf4j-api-1.5.8.jar

hibernate-entitymanager-3.3.2.GA.zip

hibernate-entitymanager-3.3.2.GA\hibernate-entitymanager.jar

slf4j-1.5.8.zip

slf4j-1.5.8\slf4j-nop-1.5.8.jar

项目实例：

Person.java

package com.hibernate.bean;

import javax.persistence.Column;

import javax.persistence.Entity;

import javax.persistence.Id;

@Entity

public class Person {

       private String id;

       private String name;

       public Person() {

       }

       public Person(String id, String name) {

              this.id = id;

              this.name = name;

       }

       @Id

       @Column(length = 20)

       public String getId() {

              return id;

       }

       public void setId(String id) {

              this.id = id;

       }

       @Column(length = 20)

       public String getName() {

              return name;

       }

       public void setName(String name) {

              this.name = name;

       }

}

IPersonService.java

package com.hibernate.service;

import java.util.List;

import com.hibernate.bean.Person;

publicinterface IPersonService {

    publicvoid save(Person person);

    publicvoid update(Person person);

    publicvoid delete(Person person);

    public Person getPerson(String personid);

    public List<Person> getPersonList();

}

PersonServiceBean.java

package com.hibernate.service.impl;

import java.util.List;

import javax.persistence.EntityManager;

import javax.persistence.PersistenceContext;

import org.springframework.stereotype.Service;

import org.springframework.transaction.annotation.Transactional;

import com.hibernate.bean.Person;

import com.hibernate.service.IPersonService;

@Transactional

@Service

publicclass PersonServiceBean implements IPersonService {

    @PersistenceContext

    private  EntityManager em;

    publicvoid save(Person person){

       em.persist(person);

    }

   

    publicvoid update(Person person){

       em.merge(person);

    }

   

    publicvoid delete(String personid){

       em.remove(em.getReference(Person.class, personid));

    }

   

    public Person getPerson(String personid){

       return  em.find(Person.class, personid);

    }

   

    public List<Person>  getPersonList(){

       returnem.createQuery("from Person ").getResultList();

    }

}

persistence.xml

<?xml version="1.0"?>

<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="itcast" transaction-type="RESOURCE_LOCAL">

       <properties>

           <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5Dialect" />

           <!-- <property name="hibernate.connection.datasource" value="mysqljndi"/>

              <property name="hibernate.connection.url" value="jdbc:sqlserver://10.231.28.202:1433;DatabaseName=Test?useUnicode=true&amp;characterEncoding=UTF-8"/>

              <property name="hibernate.connection.driver_class" value="com.microsoft.sqlserver.jdbc.SQLServerDriver"/>

              <property name="hibernate.connection.username" value="sa"/> <property name="hibernate.connection.password"

              value="hndl_2011"/> <property name="hibernate.connection.url" value="jdbc:sqlserver://10.231.28.202:1433;DatabaseName=Test"/>

              <property name="hibernate.max_fetch_depth" value="3"/> <property name="hibernate.hbm2ddl.auto"

              value="update"/> <property name="hibernate.show_sql" value="false"/> <property

              name="hibernate.format_sql" value="false"/> -->

           <!-- -->

           <property name="hibernate.connection.driver_class" value="org.gjt.mm.mysql.Driver" />

           <property name="hibernate.connection.username" value="root" />

           <property name="hibernate.connection.password" value="bjsxt" />

           <!-- <property name="hibernate.connection.url" value="jdbc:mysql://localhost:3306/qingfeng?useUnicode=true&amp;characterEncoding=UTF-8"/> -->

           <property name="hibernate.connection.url"

              value="jdbc:mysql://localhost:3306/compass?useUnicode=true&amp;characterEncoding=gbk" />

           <property name="hibernate.max_fetch_depth" value="3" />

           <property name="hibernate.hbm2ddl.auto" value="update" />

           <property name="hibernate.show_sql" value="false" />

           <property name="hibernate.format_sql" value="false" />

       </properties>

    </persistence-unit>

</persistence>

beans.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"

       xsi:schemaLocation="http://www.springframework.org/schema/beans

           http://www.springframework.org/schema/beans/spring-beans-2.5.xsd

           http://www.springframework.org/schema/context

           http://www.springframework.org/schema/context/spring-context-2.5.xsd

           http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.5.xsd

           http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.5.xsd">

 

  <context:component-scan base-package="com.hibernate"/>

  <context:annotation-config />

  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalEntityManagerFactoryBean">

      <property name="persistenceUnitName" value="itcast"/>

  </bean> 

  <!--  -->

  <bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">

    <property name="entityManagerFactory" ref="entityManagerFactory"/>

  </bean>

 

  <tx:annotation-driven transaction-manager="txManager"/>

</beans>

PersonTest.java

package junit.test;

import java.util.List;

import org.junit.BeforeClass;

import org.junit.Test;

import org.springframework.context.ApplicationContext;

import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.hibernate.bean.Person;

import com.hibernate.service.IPersonService;

public class PersonTest {

    private static IPersonService personService;

    @BeforeClass

    public static void setUpBeforeClass() throws Exception {

       ApplicationContext applicationContext=new ClassPathXmlApplicationContext("beans.xml");

       personService=(IPersonService)applicationContext.getBean("personServiceBean");

    }

    @Test

    public void testSave() {

       Person person=new Person("sno1","张三");

       personService.save(person);

    }

    @Test

    public void testUpdate() {

       Person person=new Person("sno1","李四");

       personService.update(person);

    }

    @Test

    public void testDelete() {

      

       personService.delete("sno1");

    }

    @Test

    public void testGetPerson() {

       Person person=personService.getPerson("sno1");

       System.out.println("标识： "+person.getId()+"  姓名："+person.getName());

    }

    @Test

    public void testGetPersonList() {

       List<Person> persons=personService.getPersonList();

       for(Person person:persons){

           System.out.println("标识： "+person.getId()+"  姓名："+person.getName());

       }

    }

}

常见问题答疑

Caused by: javax.persistence.PersistenceException: No Persistence provider for EntityManager named itcast

hibernate版本不一样，配置文件的DTD声明不同

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