Hibernate4 基于annotation实例

hibernate最新版本：hibernate-release-4.2.5.Final

 

Myeclipse 8.5 + jdk1.6.10(使用自己的jdk1.5报错，提示版本过低，网上说是hibernate4以上版本需要jdk1.6，但是使用myeclipse自带的1.5没有问题)

 

jar包：hibernate-release-4.2.5.Final\lib\required下的所有包+mysql-connector-java-5.1.15-bin.jar+

junit4.10.jar

 

hibernate.cfg.xml

<?xml version='1.0' encoding='utf-8'?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
<session-factory>
<!-- Database connection settings -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<property name="connection.url">jdbc:mysql://127.0.0.1:3306/hibernate4</property>
<property name="connection.username">root</property>
<property name="connection.password">root</property>
<!-- JDBC connection pool (use the built-in) -->
<property name="connection.pool_size">1</property>
<!-- SQL dialect -->
<property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
<!-- Enable Hibernate's automatic session context management -->
<property name="current_session_context_class">thread</property>
<!-- Disable the second-level cache -->
<property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
<!-- Echo all executed SQL to stdout -->
<property name="show_sql">true</property>
<!-- Drop and re-create the database schema on startup -->
<property name="hbm2ddl.auto">update</property>
<!-- <mapping resource="com/test/pojo/Student.hbm.xml"/> -->
<mapping class="com.test.pojo.Teacher" />
</session-factory>
</hibernate-configuration>

pojo类Teacher

package com.test.pojo;

import javax.persistence.Entity;
import javax.persistence.Id;

@Entity
public class Teacher {
	@Id
	private int id;
	private String name;
	private int age;
	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;
	}
	
}

 

 junit4测试类TeacherTest

package com.test.pojo;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import org.hibernate.service.ServiceRegistry;
import org.hibernate.service.ServiceRegistryBuilder;
import org.junit.BeforeClass;
import org.junit.Test;

public class TeacherTest {
	
	private static SessionFactory sessionFactory = null;
	@BeforeClass
	public static void beforeClass() {
		Configuration configuration = new Configuration();
		configuration.configure();
		ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(configuration.getProperties()).buildServiceRegistry();
		sessionFactory = configuration.buildSessionFactory(serviceRegistry);
		//sessionFactory = configuration.addAnnotatedClass(Teacher.class).buildSessionFactory(serviceRegistry);

	} 
	@Test
	public void testSave() {
		Teacher t = new Teacher();
		t.setId(1);
		t.setName("wangwu");
		t.setAge(38);
		Session session = sessionFactory.getCurrentSession();
		session.beginTransaction();
		session.save(t);
		session.getTransaction().commit();
	}
}

 输出：

2013-9-8 14:46:04 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.2.Final}
2013-9-8 14:46:04 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.2.5.Final}
2013-9-8 14:46:04 org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
2013-9-8 14:46:04 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
2013-9-8 14:46:04 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
2013-9-8 14:46:04 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
2013-9-8 14:46:05 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
2013-9-8 14:46:05 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
2013-9-8 14:46:05 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 1
2013-9-8 14:46:05 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000006: Autocommit mode: false
2013-9-8 14:46:05 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://127.0.0.1:3306/hibernate4]
2013-9-8 14:46:05 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000046: Connection properties: {user=root, password=****}
2013-9-8 14:46:08 org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
2013-9-8 14:46:08 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
2013-9-8 14:46:08 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
2013-9-8 14:46:09 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000228: Running hbm2ddl schema update
2013-9-8 14:46:09 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000102: Fetching database metadata
2013-9-8 14:46:09 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000396: Updating schema
2013-9-8 14:46:10 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000261: Table found: hibernate4.teacher
2013-9-8 14:46:10 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000037: Columns: [id, age, name]
2013-9-8 14:46:10 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000108: Foreign keys: []
2013-9-8 14:46:10 org.hibernate.tool.hbm2ddl.TableMetadata <init>
INFO: HHH000126: Indexes: [primary]
2013-9-8 14:46:10 org.hibernate.tool.hbm2ddl.SchemaUpdate execute
INFO: HHH000232: Schema update complete
Hibernate: insert into Teacher (age, name, id) values (?, ?, ?)