@Test
public void test3Update() {
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
User user = (User) session.get(User.class, 1);
user.setName("updated name");
user.setAge(100);
session.update(user);
tx.commit();
session.close();
}
@Test
public void test1Save() {
// init data
User user = new User();
user.setName("foo");
user.setAge(25);
SessionFactory sessionFactory = HibernateUtil.getSessionFactory();
Session session = sessionFactory.openSession();
Transaction tx = session.beginTransaction();
try {
session.save(user);
tx.commit();
} catch (Exception e) {
tx.rollback();
e.printStackTrace();
} finally {
session.close();
}
}
@Test
public void test6() {
Configuration configuration =
new Configuration()
// 数据库连接信息
.setProperty("hibernate.connection.driver_class", "com.mysql.jdbc.Driver")
.setProperty("hibernate.connection.url", "jdbc:mysql://localhost:3306/hibernate")
.setProperty("hibernate.connection.username", "root")
.setProperty("hibernate.connection.password", "root")
// 方言
.setProperty("hibernate.dialect", "org.hibernate.dialect.MySQLDialect")
.setProperty("hibernate.hbm2ddl.auto", "update")
// 注册ORM
.addAnnotatedClass(User.class);
Properties props = configuration.getProperties();
for (Map.Entry entry : props.entrySet()) {
String key = (String) entry.getKey();
String value = (String) entry.getValue();
System.out.println(key);
System.out.println(value);
}
SessionFactory sf = configuration.buildSessionFactory();
Session session = sf.openSession();
Transaction tx = session.beginTransaction();
User user = new User();
user.setName("foo");
user.setAge(25);
session.save(user);
session.getTransaction().commit();
session.close();
}