<!DOCTYPE hibernate-configuration PUBLIC

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

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

<hibernate-configuration>

    <session-factory>

        <!--数据库连接信息-->

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

        <property name="connection.url">jdbc:mysql://localhost:3306/Lesson7_Hibernate3_Demo1</property>

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

        <property name="connection.password">123456</property>

        <!--方言-->

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

        <!--参数信息-->

        <!--显示sql-->

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

        <!--如果没有表 自动创建-->

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

       <!-- <property name="c3p0.max_size">100</property>

        <property name="c3p0.min_size">10</property>

        <property name="cache.use_second_level_cache">true</property>

        <property name="cache.use_query_cache">true</property>

        <property name="cache.provider_class">org.hibernate.cache.OSCacheProvider</property>

        <property name="generate_statistics">true</property>-->

        <!--

        <class-cache class="cn.itcast.hibernate.domain.User" usage="read-only"/>

        -->

        <!--映射文件-->

        <mapping resource="org/zln/hibernate/domain/hbm/User.hbm.xml"/>

    </session-factory>

</hibernate-configuration>

package org.zln.hibernate.utils;

import org.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.cfg.Configuration;

/**

 * Created by coolkid on 2015/6/14 0014.

 */

public class HibernateUtils {

    private static Configuration configuration = new Configuration();

    private static SessionFactory sessionFactory;

    private static final String PATH = "hibernate.cfg.xml";

    static {

        configuration.configure(PATH);

    }

    public static Session getSession(){

        sessionFactory = configuration.buildSessionFactory();

        return sessionFactory.openSession();

    }

}

<?xml version="1.0"?>

<!DOCTYPE hibernate-mapping PUBLIC

    "-//Hibernate/Hibernate Mapping DTD 3.0//EN"

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

<hibernate-mapping package="org.zln.hibernate.domain">

    <class name="User">

        <id name="id">

            <generator class="native"/>

        </id>

        <property name="name"/>

        <property name="birthday"/>

    </class>

</hibernate-mapping>

package org.zln.hibernate.dao;

import org.hibernate.Session;

import org.hibernate.Transaction;

import org.zln.hibernate.domain.User;

import org.zln.hibernate.utils.HibernateUtils;

/**

 * Created by coolkid on 2015/6/14 0014.

 */

public class UserDao {

    public void saveUser(User user){

        Session session = HibernateUtils.getSession();

        Transaction transaction = session.beginTransaction();

        try {

            session.save(user);

            session.flush();

            transaction.commit();

        }finally {

            session.close();

        }

    }

}