一个简单的Hibernate应用程序

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（１）.创建数据表

/* MySQL Data Transfer Source Host: localhost Source Database: hibernate Target Host: localhost Target Database: hibernate Date: 2008-9-17 12:07:45 */ SET FOREIGN_KEY_CHECKS=0; -- ---------------------------- -- Table structure for person -- ---------------------------- DROP TABLE IF EXISTS `person`; CREATE TABLE `person` (   `id` int(11) NOT NULL auto_increment,   `name` varchar(20) NOT NULL,   `sex` char(1) default NULL,   `address` varchar(200) default NULL,   PRIMARY KEY  (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=gb2312; -- ---------------------------- -- Records -- ---------------------------- INSERT INTO `person` VALUES ('1', 'anzey', 'm', '广西南宁');

 

（２）POJO代码

package hibernateTest; public class Person {     public Person() {         // TODO Auto-generated constructor stub     }     int id;     String name;     String address;     String sex;     public String getAddress() {         return address;     }     public void setAddress(String address) {         this.address = address;     }     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;     } }

（３）配置文件

Hibenate.cfg.xml

<?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"> <!-- Generated by MyEclipse Hibernate Tools.                   --> <hibernate-configuration> <session-factory>     <property name="dialect">         org.hibernate.dialect.MySQLDialect     </property>     <property name="connection.url">         jdbc:mysql://localhost:3306/hibernate     </property>     <property name="connection.username">root</property>     <property name="connection.password">anzey</property>     <property name="connection.driver_class">         com.mysql.jdbc.Driver     </property>     <mapping resource="hibernateTest/Person.hbm.xml" /> </session-factory> </hibernate-configuration>

 

Person.hbm.xml配置文件

<?xml version="1.0"?> <!DOCTYPE hibernate-mapping PUBLIC     "-//Hibernate/Hibernate Mapping DTD//EN"     "http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd" > <hibernate-mapping package="hibernateTest">     <class         name="Person"         table="person"     >         <meta attribute="sync-DAO">false</meta>         <id             name="Id"             type="integer"             column="id"         >             <generator class="increment"/>         </id>         <property             name="Name"             column="name"             type="string"             not-null="true"             length="20"         />         <property             name="Sex"             column="sex"             type="string"             not-null="false"             length="1"         />         <property             name="Address"             column="address"             type="string"             not-null="false"             length="200"         />     </class>    </hibernate-mapping>

 

（４）测试程序

package hibernateTest; import org.hibernate.*; import org.hibernate.cfg.*; import java.io.*; public class PersonTest {     public static void main(String[] args) {         Configuration cfg;         SessionFactory sf;         Session session;         Transaction tx;         Person person=new Person();         person.setId(3);         person.setName("anzey");         person.setAddress("广西南宁");         person.setSex("m");         try         {             File file=new File("C:\\Documents and Settings\\Administrator\\workspace\\hibernate_Proj\\hibernateTest\\hibernate.cfg.xml");             cfg= new Configuration().configure(file);             sf=cfg.buildSessionFactory();             session=sf.openSession();             tx=session.beginTransaction();             session.save(person);             tx.commit();             session.close();             System.out.print("Data have been saved into database");         }catch(HibernateException e)         {             e.printStackTrace();         }     } }