Hibernate4 Annotation实例简单介绍



Hibernate4 Annotation实例简单介绍.

hibernate.cfg.xml 配置~

  1. <?xml version=’1.0′ encoding=’utf-8′?>
  2. <!DOCTYPE hibernate-configuration PUBLIC “-//Hibernate/Hibernate Configuration DTD 3.0//EN” “http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd”>
  3. <hibernate-configuration>
  4.     <session-factory>
  5.         <property name=”hibernate.connection.driver_class”>com.mysql.jdbc.Driver</property>
  6.         <property name=”hibernate.connection.url”>jdbc:mysql://localhost:3306/test</property>
  7.         <property name=”hibernate.connection.username”>root</property>
  8.         <property name=”hibernate.connection.password”>123456</property>
  9.         <property name=”hibernate.connection.pool_size”>10</property>
  10.         <property name=”show_sql”>true</property>
  11.         <property name=”dialect”>org.hibernate.dialect.MySQL5Dialect</property>
  12.         <property name=”hibernate.current_session_context_class”>thread</property>
  13.         <property name=”hbm2ddl.auto”>create</property>
  14.     </session-factory>
  15. </hibernate-configuration>
<?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="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
		<property name="hibernate.connection.url">jdbc:mysql://localhost:3306/test</property>
		<property name="hibernate.connection.username">root</property>
		<property name="hibernate.connection.password">123456</property>
		<property name="hibernate.connection.pool_size">10</property>
		<property name="show_sql">true</property>
		<property name="dialect">org.hibernate.dialect.MySQL5Dialect</property>
		<property name="hibernate.current_session_context_class">thread</property>
		<property name="hbm2ddl.auto">create</property>
	</session-factory>
</hibernate-configuration>

实体类

  1. package com.neal.entity;
  3. import java.io.Serializable;
  4. import java.util.Date;
  6. import javax.persistence.Column;
  7. import javax.persistence.Entity;
  8. import javax.persistence.GeneratedValue;
  9. import javax.persistence.GenerationType;
  10. import javax.persistence.Id;
  11. import javax.persistence.Temporal;
  12. import javax.persistence.TemporalType;
  14. @Entity
  15. public class User implements Serializable{
  16.     /**
  17.      *
  18.      */
  19.     private static final long serialVersionUID = 1L;
  20.     private int id;
  21.     private String name;
  22.     private Date birthday;
  24.     @Id @GeneratedValue(strategy=GenerationType.AUTO)
  25.     public int getId() {
  26.         return id;
  27.     }
  28.     public void setId(int id) {
  29.         this.id = id;
  30.     }
  31.     @Column(length=10)
  32.     public String getName() {
  33.         return name;
  34.     }
  35.     public void setName(String name) {
  36.         this.name = name;
  37.     }
  38.     @Temporal(TemporalType.DATE)
  39.     public Date getBirthday() {
  40.         return birthday;
  41.     }
  42.     public void setBirthday(Date birthday) {
  43.         this.birthday = birthday;
  44.     }
  48. }
package com.neal.entity;

import java.io.Serializable;
import java.util.Date;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;

@Entity
public class User implements Serializable{
	/**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	private int id;
	private String name;
	private Date birthday;

	@Id @GeneratedValue(strategy=GenerationType.AUTO)
	public int getId() {
		return id;
	}
	public void setId(int id) {
		this.id = id;
	}
	@Column(length=10)
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	@Temporal(TemporalType.DATE)
	public Date getBirthday() {
		return birthday;
	}
	public void setBirthday(Date birthday) {
		this.birthday = birthday;
	}

}

 

最后的测试类

  1. package junit.test;
  3. import java.util.Date;
  5. import org.hibernate.Session;
  6. import org.hibernate.SessionFactory;
  7. import org.hibernate.Transaction;
  8. import org.hibernate.cfg.Configuration;
  9. import org.hibernate.service.ServiceRegistry;
  10. import org.hibernate.service.ServiceRegistryBuilder;
  11. import org.junit.BeforeClass;
  12. import org.junit.Test;
  14. import com.neal.entity.User;
  16. public class HibernateTest {
  18.     private static SessionFactory sessionFactory;
  19.     @BeforeClass
  20.     public static void setUpBeforeClass() throws Exception {
  21.         Configuration cfg = new Configuration();
  22.         cfg.configure(); // 重要
  23.         ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(cfg.getProperties()).buildServiceRegistry();
  24.         try {
  25.             sessionFactory = cfg.configure()
  26.                     .addAnnotatedClass(User.class)
  27.                     .buildSessionFactory(sr);
  28.         } catch (Exception e) {
  29.             // TODO Auto-generated catch block
  30.             e.printStackTrace();
  31.         }
  32.     }
  34.     @Test
  35.     public void test() {
  37.         Session session = sessionFactory.openSession();
  38.         Transaction tx = session.beginTransaction();
  39.         User user = new User();
  40.         user.setBirthday(new Date());
  41.         user.setName(“hello”);
  43.         session.persist(user);
  44.         tx.commit();
  45.         session.close();
  46.         System.out.println(“end”);
  47.     }
  49. }


package junit.test;

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.BeforeClass;
import org.junit.Test;

import com.neal.entity.User;

public class HibernateTest {

	private static SessionFactory sessionFactory;
	@BeforeClass
	public static void setUpBeforeClass() throws Exception {
		Configuration cfg = new Configuration();	
		cfg.configure(); // 重要
		ServiceRegistry sr = new ServiceRegistryBuilder().applySettings(cfg.getProperties()).buildServiceRegistry();
		try {
			sessionFactory = cfg.configure()
					.addAnnotatedClass(User.class)
					.buildSessionFactory(sr);
		} catch (Exception e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}

	@Test
	public void test() {

		Session session = sessionFactory.openSession();
		Transaction tx = session.beginTransaction();
		User user = new User();
		user.setBirthday(new Date());
		user.setName("hello");

		session.persist(user);
		tx.commit();
		session.close();
		System.out.println("end");
	}

}

 

结果输出~

  1. 2012-3-21 19:50:27 org.hibernate.annotations.common.Version <clinit>
  2. INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
  3. 2012-3-21 19:50:27 org.hibernate.Version logVersion
  4. INFO: HHH000412: Hibernate Core {4.1.1}
  5. 2012-3-21 19:50:27 org.hibernate.cfg.Environment <clinit>
  6. INFO: HHH000206: hibernate.properties not found
  7. 2012-3-21 19:50:27 org.hibernate.cfg.Environment buildBytecodeProvider
  8. INFO: HHH000021: Bytecode provider name : javassist
  9. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration configure
  10. INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
  11. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStream
  12. INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
  13. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigure
  14. INFO: HHH000041: Configured SessionFactory: null
  15. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration configure
  16. INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
  17. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStream
  18. INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
  19. 2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigure
  20. INFO: HHH000041: Configured SessionFactory: null
  21. 2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
  22. INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
  23. 2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
  24. INFO: HHH000115: Hibernate connection pool size: 10
  25. 2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
  26. INFO: HHH000006: Autocommit mode: false
  27. 2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
  28. INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]
  29. 2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
  30. INFO: HHH000046: Connection properties: {user=root, password=****}
  31. 2012-3-21 19:50:28 org.hibernate.dialect.Dialect <init>
  32. INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
  33. 2012-3-21 19:50:28 org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation
  34. INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4
  35. 2012-3-21 19:50:28 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
  36. INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
  37. 2012-3-21 19:50:28 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
  38. INFO: HHH000397: Using ASTQueryTranslatorFactory
  39. 2012-3-21 19:50:28 org.hibernate.tool.hbm2ddl.SchemaExport execute
  40. INFO: HHH000227: Running hbm2ddl schema export
  41. Hibernate: drop table if exists User
  42. Hibernate: create table User (id integer not null auto_increment, birthday date, name varchar(10), primary key (id))
  43. 2012-3-21 19:50:28 org.hibernate.tool.hbm2ddl.SchemaExport execute
  44. INFO: HHH000230: Schema export complete
  45. Hibernate: insert into User (birthday, name) values (?, ?)
  46. end
2012-3-21 19:50:27 org.hibernate.annotations.common.Version <clinit>
INFO: HCANN000001: Hibernate Commons Annotations {4.0.1.Final}
2012-3-21 19:50:27 org.hibernate.Version logVersion
INFO: HHH000412: Hibernate Core {4.1.1}
2012-3-21 19:50:27 org.hibernate.cfg.Environment <clinit>
INFO: HHH000206: hibernate.properties not found
2012-3-21 19:50:27 org.hibernate.cfg.Environment buildBytecodeProvider
INFO: HHH000021: Bytecode provider name : javassist
2012-3-21 19:50:27 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
2012-3-21 19:50:27 org.hibernate.cfg.Configuration configure
INFO: HHH000043: Configuring from resource: /hibernate.cfg.xml
2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStream
INFO: HHH000040: Configuration resource: /hibernate.cfg.xml
2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigure
INFO: HHH000041: Configured SessionFactory: null
2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)
2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000115: Hibernate connection pool size: 10
2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000006: Autocommit mode: false
2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000401: using driver [com.mysql.jdbc.Driver] at URL [jdbc:mysql://localhost:3306/test]
2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configure
INFO: HHH000046: Connection properties: {user=root, password=****}
2012-3-21 19:50:28 org.hibernate.dialect.Dialect <init>
INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect
2012-3-21 19:50:28 org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreation
INFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 4
2012-3-21 19:50:28 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService
INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)
2012-3-21 19:50:28 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>
INFO: HHH000397: Using ASTQueryTranslatorFactory
2012-3-21 19:50:28 org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000227: Running hbm2ddl schema export
Hibernate: drop table if exists User
Hibernate: create table User (id integer not null auto_increment, birthday date, name varchar(10), primary key (id))
2012-3-21 19:50:28 org.hibernate.tool.hbm2ddl.SchemaExport execute
INFO: HHH000230: Schema export complete
Hibernate: insert into User (birthday, name) values (?, ?)
end

 

THE  END~~

http://blog.csdn.net/xwin1989/article/details/7380736