开发笔记:Hibernate基础

1 <hibernate-configuration>
2 <session-factory>
3
4 <property name="connection.url">
5 jdbc:mysql:///hibernate?useUnicode=true&characterEncoding=UTF-8
6 property>
7
10 <property name="connection.username">rootproperty>
11 <property name="connection.password">rootproperty>
12 <property name="connection.driver_class">com.mysql.jdbc.Driverproperty>
13
16 <property name="dialect">org.hibernate.dialect.MySQL5Dialectproperty>
17
18
19 <property name="show_sql">trueproperty>
20 <property name="format_sql">trueproperty>
21 <property name="hbm2ddl.auto">createproperty>
22
23
24 <mapping resource="Student.hbm.xml" />
25 session-factory>
26 hibernate-configuration>

1 <hibernate-mapping>
2 <class name="类名" table="数据表名">
3
4 <id name="id" type="int">
5 <column name="ID" />
6 <generator class="assigned" />
7 id>
8
9 <property name="属性名" type="属性类型(需要全称)">
10 <column name="字段名" />
11 property>
12 class>
13 hibernate-mapping>
14
15
16 <hibernate-mapping>
17 <class name="Student" table="STUDENT">
18
19 <id name="id" type="int">
20 <column name="ID" />
21 <generator class="assigned" />
22 id>
23
24 <property name="name" type="java.lang.String">
25 <column name="NAME" />
26 property>
27 <property name="gender" type="java.lang.String">
28 <column name="GENDER" />
29 property>
30 <property name="birthday" type="java.util.Date">
31 <column name="BIRTHDAY" />
32 property>
33 <property name="address" type="java.lang.String">
34 <column name="ADDRESS" />
35 property>
36 class>
37 hibernate-mapping>

1 private SessionFactory sessionFactory;
2 private Session session;
3 private Transaction transaction;
4
5 @Before
6 public void init() {
7 // 1.创建配置对象
8 Configuration cOnfig= new Configuration().configure();
9
10 // 2.创建服务注册对象
11 ServiceRegistry serviceRegistry = new ServiceRegistryBuilder().applySettings(config.getProperties()).buildServiceRegistry();
12
13 // 3.创建会话工厂
14 sessiOnFactory= config.buildSessionFactory(serviceRegistry);
15
16 // 4.打开会话对象
17 session = sessionFactory.openSession();
18
19 // 5.开启事务
20 transaction = session.beginTransaction();
21 }
22
23 @After
24 public void destory() {
25 // 提交事务
26 transaction.commit();
27 // 关闭资源
28 session.close();// 关闭会话
29 sessionFactory.close();// 关闭会话工厂
30 }
31
32 @Test
33 public void testSaveStudent() {
34 Student student = new Student(1, "测试1", "男", new Date(), "地址1");
35 session.save(student);// 保存对象进入数据库
36 }