本工程是基于Maven的hibernate项目,
1、配置hibernate.cfg.xml文件
<?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">org.gjt.mm.mysql.Driver</property>
<property name="connection.url">jdbc:mysql://localhost:3306/test</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.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>
<property name="format_sql">true</property>
<!-- Drop and re-create the database schema on startup -->
<property name="hbm2ddl.auto">update</property>
<mapping resource="user.hbm.xml"/>
</session-factory>
</hibernate-configuration>
2、编写user.hbm.xml文件
<?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>
<!--name 实体类的 包名+ 类名 table数据库的表名 -->
<class name="cn.com.vo.hibernatedemo.UserVO" table="t_user">
<!-- name对应实体类的属性id -->
<id name="id" type="integer">
<!-- name 对应数据库的列名id -->
<column name="id"></column>
<!--主键的生成策略 native可以适应多种数据库 increment mysql自动增长策略 sequence oracle自动增长策略 -->
<generator class="native"></generator>
</id>
<property name="name">
<column name="name"></column>
</property>
<property name="pwd">
<column name="pwd"></column>
</property>
<property name="age">
<column name="age"></column>
</property>
</class>
</hibernate-mapping>
3、写测试用例
package cn.com.test.hibernatedemo;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.Transaction;
import cn.com.vo.hibernatedemo.UserVO;
/**
* Hello world!
*
*/
public class App {
public static void main(String[] args) {
System.out.println("Hello World!");
Session session = HibernateUtil.getSessionFactory().openSession();
Transaction beginTransaction = session.beginTransaction();
UserVO vo = new UserVO(1, "gaojignosng", "11", 30);
try {
session.save(vo);
beginTransaction.commit();
} catch (HibernateException e) {
beginTransaction.rollback();
e.printStackTrace();
}
session.close();
}
}