hibernate5.0.4入门实例

Hibernate5.0.4入门实例

一、创建一个java普通工程hibernate，建立一个lib文件夹并导入需要的jar文件

并右击lib文件夹将导入的lib文件build path，建立classpath,这样代码中才能连接导入的jar包

二、创建包，然后在包下创建实体类News(也就是操作数据库的类)

package com.study.hibernate;

importjava.sql.Date;

public class News {

private Integer id;

private String title;

private String author;

private Date date;

public Integer getId() {

return id;

}

public void setId(Integer id) {

this.id = id;

}

public String getTitle() {

return title;

}

public void setTitle(String title) {

this.title = title;

}

public String getAuthor() {

return author;

}

public void setAuthor(String author) {

this.author = author;

}

public Date getDate() {

return date;

}

public void setDate(Date date) {

this.date = date;

}

}

然后建立建立相关的hibernate XML Mapping file文件News.hbm.xml

三、建立hibernate 配置文件hibernate.cfg.xml，

"-//Hibernate/Hibernate Configuration DTD 3.0//EN"

"https://www.360docs.net/doc/ad8714844.html,/dtd/hibernate-configuration-3.0.dtd">

root

kxf3099

name="connection.driver_class">com.mysql.jdbc.Driver

name="connection.url">jdbc:mysql://localhost:3306/hibernate

name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect

true

true

update

四、建立测试类NEW-JUnit Test Case ---------HibernateTest.java

package com.study.hibernate;

import static org.junit.Assert.*;

importjava.sql.Date;

importorg.hibernate.Session;

import org.hibernate.SessionFactory;

import org.hibernate.Transaction;

import org.hibernate.boot.Metadata;

import org.hibernate.boot.MetadataSources;

import org.hibernate.boot.model.naming.ImplicitNamingStrategyJpaCompliantImpl; importorg.hibernate.boot.registry.StandardServiceRegistry;

import org.hibernate.boot.registry.StandardServiceRegistryBuilder;

import org.junit.Test;

public class HibernateTest {

@Test

public void test() {

StandardServiceRegistrystandardRegistry = new StandardServiceRegistryBuilder()

.configure( "hibernate.cfg.xml" )

.build();

Metadata metadata = new MetadataSources( standardRegistry )

.addAnnotatedClass( News.class )

.addAnnotatedClassName( "com.study.hibernate.News" )

.addResource( "com/study/hibernate/News.hbm.xml" )

.getMetadataBuilder()

.applyImplicitNamingStrategy( ImplicitNamingStrategyJpaCompliantImpl.IN STANCE )

.build();

SessionFactorysessionFactory = metadata.getSessionFactoryBuilder() .build();

Session session=sessionFactory.openSession();

Transaction transaction=session.beginTransaction();

News news=new News();

news.setId(1);

news.setTitle("java");

news.setAuthor("kuang");

news.setDate(new Date(new java.util.Date().getTime()));

session.save(news);

https://www.360docs.net/doc/ad8714844.html,mit();

session.close();

sessionFactory.close();

}

}

由此完成第一个实例，Run AS 即可完成对数据库的操作（此实例的前提是mysql数据库已安装好并启动服务)