<?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>

		<!-- Database connection settings -->

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

		<property name="connection.url">jdbc:mysql://localhost/annotation</property> <!-- annotation是数据库的名字 -->

		<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(方言), 数据库的连接方式 -->

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

		<!-- Echo all executed SQL to stdout -->

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

		<!-- Drop and re-create the database schema on startup -->

		<!-- hbm2ddl.auto : Hibernate-mapping Data definition language.automatic -->

		<!-- create: 表示如果数据库里面没有这张表, 就会自动去创建这张表 -->

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

		<mapping class="annotation.model.Teacher"/> <!-- 这个是Annotation的写法 -->

	</session-factory>

</hibernate-configuration>

package annotation.model;

/**

 * JDBC 是一个标准

 * MySql Driver/Oracle Driver 等都是 JDBC 的实现

 * 或者说 hibernate 是 JDBC 的实现

 */

import javax.persistence.Entity; // 从包名可以看出, 它不依赖hibernate

import javax.persistence.Id;

@Entity

public class Teacher {

	private int id;

	private String name;

	private String title;

	@Id // 把注解Id加到主键上

	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 String getTitle() {

		return title;

	}

	public void setTitle(String title) {

		this.title = title;

	}

}

package annotation.test;

/**

 * 目前用 main 来测试

 */

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.AnnotationConfiguration;

import org.hibernate.cfg.Configuration;

import annotation.model.Teacher;

public class TeacherTest {

	public static void main(String[] args) {

		Teacher t = new Teacher();

		t.setId( 1 );

		t.setName( "I Love you" );

		t.setTitle( "高级" );

		Configuration cfg = new AnnotationConfiguration();

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

		Session session = sf.openSession();

		// 在hibernate里面, 所有的操作都应放在事务里面

		session.beginTransaction();

		// 将数据保存到数据库里面

		session.save( t );

		// 提交数据

		session.getTransaction().commit();

		// 关掉数据库连接

		session.close();

		sf.close();

		String str = "\u4ea4\u6613\u6210\u529f";

		System.out.println( str );

	}

}