Hibernate4 Annotation实例

hibernate.cfg.xml 配置~

<?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

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;@Entitypublic 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

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;@BeforeClasspublic 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 blocke.printStackTrace();}}@Testpublic 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~

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 logVersionINFO: HHH000412: Hibernate Core {4.1.1}2012-3-21 19:50:27 org.hibernate.cfg.Environment <clinit>INFO: HHH000206: hibernate.properties not found2012-3-21 19:50:27 org.hibernate.cfg.Environment buildBytecodeProviderINFO: HHH000021: Bytecode provider name : javassist2012-3-21 19:50:27 org.hibernate.cfg.Configuration configureINFO: HHH000043: Configuring from resource: /hibernate.cfg.xml2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStreamINFO: HHH000040: Configuration resource: /hibernate.cfg.xml2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigureINFO: HHH000041: Configured SessionFactory: null2012-3-21 19:50:27 org.hibernate.cfg.Configuration configureINFO: HHH000043: Configuring from resource: /hibernate.cfg.xml2012-3-21 19:50:27 org.hibernate.cfg.Configuration getConfigurationInputStreamINFO: HHH000040: Configuration resource: /hibernate.cfg.xml2012-3-21 19:50:27 org.hibernate.cfg.Configuration doConfigureINFO: HHH000041: Configured SessionFactory: null2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureINFO: HHH000402: Using Hibernate built-in connection pool (not for production use!)2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureINFO: HHH000115: Hibernate connection pool size: 102012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureINFO: HHH000006: Autocommit mode: false2012-3-21 19:50:27 org.hibernate.service.jdbc.connections.internal.DriverManagerConnectionProviderImpl configureINFO: 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 configureINFO: HHH000046: Connection properties: {user=root, password=****}2012-3-21 19:50:28 org.hibernate.dialect.Dialect <init>INFO: HHH000400: Using dialect: org.hibernate.dialect.MySQL5Dialect2012-3-21 19:50:28 org.hibernate.engine.jdbc.internal.LobCreatorBuilder useContextualLobCreationINFO: HHH000423: Disabling contextual LOB creation as JDBC driver reported JDBC version [3] less than 42012-3-21 19:50:28 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateServiceINFO: HHH000399: Using default transaction strategy (direct JDBC transactions)2012-3-21 19:50:28 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init>INFO: HHH000397: Using ASTQueryTranslatorFactory2012-3-21 19:50:28 org.hibernate.tool.hbm2ddl.SchemaExport executeINFO: HHH000227: Running hbm2ddl schema exportHibernate: drop table if exists UserHibernate: 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 executeINFO: HHH000230: Schema export completeHibernate: insert into User (birthday, name) values (?, ?)end

 

THE  END~~