hibernate-001 源代码

• StudentTest.java
  `

import java.util.Date;

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.junit.*;

public class StudentsTest {
private SessionFactory sessionFactory;
private Session session;
private Transaction transaction;
@Before
public void init(){
//创建配置对象
Configuration config =new Configuration().configure();
//创建服务注册对象
ServiceRegistry serviceRegistry =new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
//创建会化工厂
sessionFactory = config.buildSessionFactory(serviceRegistry);
//绘画对象
session = sessionFactory.openSession();
//开启事务
transaction = session.beginTransaction();
}
@After
public void destory(){
transaction.commit();
session.close();
sessionFactory.close();
}
@Test
public void testSaveStudents(){
//生成学生对象
Students s =new Students(1,"pp","男", new Date(),"11A403");
session.save(s);//保存对象进入数据库
}

}
`

• 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="dialect">
  org.hibernate.dialect.MySQLDialect
  </property>
  <property name="connection.url">
  jdbc:mysql:///hibernate?useUnicode=true&characterEncoding=UTF-8
  </property>

  <property name="connection.username">root</property>
  <property name="connection.password"></property>
  <property name="connection.driver_class">
      com.mysql.jdbc.Driver
  </property>
  
  <property name="myeclipse.connection.profile">
      com.mysql.jdbc.Driver
  </property>
  
      <property name="show_sql">true</property>
      <property name="format_sql">true</property>
      <!-- hibernate数据表表前缀 -->
      <property name="hibernate.default_schema">hibernate</property>
          <!-- 创建数据库生成策略  create 表示重新生成表结构 update保留原有的表结构-->
      <property name="hbm2ddl.auto">create</property> 
  
  <property name="hibernate.current_session_context_class">thread</property>
  
  <!--        jta事务 全局事务
  <property name="hibernate.current_session_context_class">jta</property>
      -->
  <mapping resource="Students.hbm.xml"/>

  </session-factory>
  </hibernate-configuration>
  '

• Students.hbm.xml
  '<?xml version="1.0"?>
  <!DOCTYPE hibernate-mapping PUBLIC
  "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
  "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
  <hibernate-mapping>
  <class name="Students" table="STUDENTS">
  <id name="sid" type="int">
  <column name="SID"/>
  <generator class="assigned"/>
  </id>
  <property name="sname" type="java.lang.String">
  <column name="SNAME"/>
  </property>
  <property name="gender" type="java.lang.String">
  <column name="GENDER"/>
  </property>
  <property name="birthday" type="java.util.Date">
  <column name="BIRTHDAY"/>
  </property>
  <property name="address" type="java.lang.String">
  <column name="ADDRESS"/>
  </property>
  </class>

</hibernate-mapping>'