Eclipse中配置Hibernate

path路徑下匯入Hibernate/lib/required目錄下所有的jar包。以及串連資料庫的Jar包

階層

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><property name="show_sql">true</property><property name="hibernate.dialect">org.hibernate.dialect.MySQLDialect</property><property name="hibernate.connection.driver_class">org.gjt.mm.mysql.Driver</property><property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate</property><property name="hibernate.connection.username">root</property><property name="hibernate.connection.password">mysqladmin</property><mapping resource="org/zbq/bean/User.hbm.xml"/></session-factory></hibernate-configuration>

User.java

package org.zbq.util;import java.util.List;import org.hibernate.Query;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.Transaction;import org.hibernate.cfg.Configuration;import org.hibernate.service.ServiceRegistry;import org.hibernate.service.ServiceRegistryBuilder;import org.zbq.bean.User;public class HibernateUtil {private static SessionFactory sessionFactory;static{try{Configuration conf = new Configuration();conf.configure();ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(conf.getProperties()).buildServiceRegistry();sessionFactory = conf.buildSessionFactory(sr);} catch (Exception e) {e.printStackTrace();}}public static void save(User user) throws Exception{Transaction tr = null;Session session = sessionFactory.openSession();try{tr = session.beginTransaction();//tr.begin();session.save(user);tr.commit();} catch (Exception e) {if(null != tr){tr.rollback();}throw e;} finally {session.close();}}@SuppressWarnings("unchecked")public static List<User> listUsers() throws Exception{List<User> list = null;Transaction tr = null;Session session = sessionFactory.openSession();try{tr = session.beginTransaction();//tr.begin();String sql = "from User";Query query = session.createQuery(sql);list = (List<User>)query.list();tr.commit();} catch (Exception e) {e.printStackTrace();} finally {session.close();}return list;}}

User.hbm.xml

<?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><class name="org.zbq.bean.User" table="user"><id name="id" column="id" type="int"><generator class="increment"/></id><property name="name" column="name" type="string"/><property name="pass" column="pass" type="string"/></class></hibernate-mapping>

HibernateUtil.java

package org.zbq.util;import java.util.List;import org.hibernate.Query;import org.hibernate.Session;import org.hibernate.SessionFactory;import org.hibernate.Transaction;import org.hibernate.cfg.Configuration;import org.hibernate.service.ServiceRegistry;import org.hibernate.service.ServiceRegistryBuilder;import org.zbq.bean.User;public class HibernateUtil {private static SessionFactory sessionFactory;static{try{Configuration conf = new Configuration();conf.configure();ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(conf.getProperties()).buildServiceRegistry();sessionFactory = conf.buildSessionFactory(sr);} catch (Exception e) {e.printStackTrace();}}public static void save(User user) throws Exception{Transaction tr = null;Session session = sessionFactory.openSession();try{tr = session.beginTransaction();//tr.begin();session.save(user);tr.commit();} catch (Exception e) {if(null != tr){tr.rollback();}throw e;} finally {session.close();}}@SuppressWarnings("unchecked")public static List<User> listUsers() throws Exception{List<User> list = null;Transaction tr = null;Session session = sessionFactory.openSession();try{tr = session.beginTransaction();//tr.begin();String sql = "from User";Query query = session.createQuery(sql);list = (List<User>)query.list();tr.commit();} catch (Exception e) {e.printStackTrace();} finally {session.close();}return list;}}

測試類別

package org.zbq.test;import java.util.List;import org.zbq.bean.User;import org.zbq.util.HibernateUtil;public class HibernatUtilTest {public static void main(String[] args) throws Exception {User user = new User();user.setId(2);user.setName("cat");user.setPass("intel123");HibernateUtil.save(user);List<User> list = HibernateUtil.listUsers();for(User u : list){System.out.println(u.getName() + ":" + u.getPass());}}}