<?xml version="1.0" encoding="GBK"?>
<project name="hibernate" basedir="." default="">
<property name="src" value="src"/>
<property name="dest" value="classes"/>
<path id="classpath">
<fileset dir="../../lib">
<include name="**/*.jar"/>
</fileset>
<pathelement path="${dest}"/>
</path>
<target name="compile" description="Compile all source code">
<delete dir="${dest}"/>
<mkdir dir="${dest}"/>
<copy todir="${dest}">
<fileset dir="${src}">
<exclude name="**/*.java"/>
</fileset>
</copy>
<javac destdir="${dest}" debug="true" includeantruntime="yes"
deprecation="false" optimize="false" failonerror="true">
<src path="${src}"/>
<classpath refid="classpath"/>
<compilerarg value="-Xlint:deprecation"/>
</javac>
</target>
<target name="run" description="Run the main class" depends="compile">
<java classname="lee.NewsManager" fork="yes" failonerror="true">
<classpath refid="classpath"/>
</java>
</target>
</project>
create table test(
t_name varchar(255)
);
<?xml version="1.0" encoding="GBK"?>
<!-- 指定Hibernate配置文件的DTD信息 -->
<!DOCTYPE hibernate-configuration PUBLIC
"-//Hibernate/Hibernate Configuration DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
<!-- hibernate-configuration是配置文件的根元素 -->
<hibernate-configuration>
<session-factory>
<!-- 指定连接数据库所用的驱动 -->
<property name="connection.driver_class">com.mysql.jdbc.Driver</property>
<!-- 指定连接数据库的url,其中hibernate是本应用连接的数据库名 -->
<property name="connection.url">jdbc:mysql://localhost/hibernate</property>
<!-- 指定连接数据库的用户名 -->
<property name="connection.username">root</property>
<!-- 指定连接数据库的密码 -->
<property name="connection.password">32147</property>
<!-- 指定连接池里最大连接数 -->
<property name="hibernate.c3p0.max_size">20</property>
<!-- 指定连接池里最小连接数 -->
<property name="hibernate.c3p0.min_size">1</property>
<!-- 指定连接池里连接的超时时长 -->
<property name="hibernate.c3p0.timeout">5000</property>
<!-- 指定连接池里最大缓存多少个Statement对象 -->
<property name="hibernate.c3p0.max_statements">100</property>
<property name="hibernate.c3p0.idle_test_period">3000</property>
<property name="hibernate.c3p0.acquire_increment">2</property>
<property name="hibernate.c3p0.validate">true</property>
<!-- 指定数据库方言 -->
<property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
<!-- 根据需要自动创建数据库 -->
<property name="hbm2ddl.auto">update</property>
<!-- 显示Hibernate持久化操作所生成的SQL -->
<property name="show_sql">true</property>
<!-- 将SQL脚本进行格式化后再输出 -->
<property name="hibernate.format_sql">true</property>
<!-- 罗列所有持久化类的类名 -->
<mapping resource="org/crazyit/app/domain/News.hbm.xml"/>
</session-factory>
</hibernate-configuration>
<?xml version="1.0" encoding="gb2312"?>
<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
<!-- hibernate-mapping是映射文件的根元素 -->
<hibernate-mapping>
<!-- 使用data-object元素定义数据库对象 -->
<database-object>
<!-- 定义创建数据库对象的语句 -->
<create>create table test(t_name varchar(255));</create>
<!-- 让drop元素为空,不删除任何对象 -->
<drop></drop>
<!-- 指定仅对MySQL数据库有效 -->
<dialect-scope name="org.hibernate.dialect.MySQLDialect"/>
<dialect-scope name="org.hibernate.dialect.MySQL5InnoDBDialect"/>
</database-object>
</hibernate-mapping>
package lee;
import org.hibernate.*;
import org.hibernate.cfg.*;
import org.hibernate.tool.hbm2ddl.*;
import org.hibernate.service.*;
import org.hibernate.boot.registry.*;
/**
* Description:
* <br/>网站: <a href="http://www.crazyit.org">疯狂Java联盟</a>
* <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
* <br/>This program is protected by copyright laws.
* <br/>Program Name:
* <br/>Date:
* @author Yeeku.H.Lee kongyeeku@163.com
* @version 1.0
*/
public class NewsManager
{
public static void main(String[] args) throws Exception
{
// 实例化Configuration,configure()方法默认加载hibernate.cfg.xml文件
Configuration conf = new Configuration().configure();
// 以Configuration实例创建SessionFactory实例
ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
.applySettings(conf.getProperties()).build();
// conf.buildSessionFactory(serviceRegistry);
// 创建SchemaExport对象
SchemaExport se = new SchemaExport(conf);
// 设置输出格式良好的SQL脚本
se.setFormat(true)
// 设置保存SQL脚本的文件名
.setOutputFile("new.sql")
// 输出SQL脚本,并执行SQL脚本
.create(true, true);
}
}