轻量级Java_EE企业应用实战-第5章Hibernate的基本用法-001

1.

package org.crazyit.app.domain;

import javax.persistence.*;

/**
 * Description: <br/>
 * ��վ: <a href="http://www.crazyit.org">���Java����</a> <br/>
 * Copyright (C), 2001-2016, Yeeku.H.Lee <br/>
 * This program is protected by copyright laws. <br/>
 * Program Name: <br/>
 * Date:
 * 
 * @author Yeeku.H.Lee kongyeeku@163.com
 * @version 1.0
 */
@Entity
@Table(name = "news_inf")
public class News {
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    private Integer id;
    private String title;
    private String content;

    public void setId(Integer id) {
        this.id = id;
    }

    public Integer getId() {
        return this.id;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getTitle() {
        return this.title;
    }

    public void setContent(String content) {
        this.content = content;
    }

    public String getContent() {
        return this.content;
    }
}

 

2.

package lee;

import org.hibernate.*;
import org.hibernate.cfg.*;
import org.hibernate.service.*;
import org.hibernate.boot.registry.*;
import org.crazyit.app.domain.*;

/**
 * Description: <br/>
 * ��վ: <a href="http://www.crazyit.org">���Java����</a> <br/>
 * Copyright (C), 2001-2016, Yeeku.H.Lee <br/>
 * This program is protected by copyright laws. <br/>
 * Program Name: <br/>
 * Date:
 * 
 * @author Yeeku.H.Lee kongyeeku@163.com
 * @version 1.0
 */
public class NewsManager {
    public static void main(String[] args) throws Exception {
        Configuration conf = new Configuration().configure();

        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
                .applySettings(conf.getProperties()).build();
        SessionFactory sf = conf.buildSessionFactory(serviceRegistry);
        Session sess = sf.openSession();
        Transaction tx = sess.beginTransaction();
        News n = new News();
        n.setTitle("Java web");
        n.setContent("java web content");
        sess.save(n);
        tx.commit();
        sess.close();
        sf.close();
    }
}

 

3.

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE hibernate-configuration PUBLIC
        "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
        "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">
<hibernate-configuration>
    <session-factory>
        <property name="hibernate.connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="hibernate.connection.password">1234</property>
        <property name="hibernate.connection.url">jdbc:mysql://localhost:3306/hibernate</property>
        <property name="hibernate.connection.username">root</property>
        <property name="hibernate.dialect">org.hibernate.dialect.MySQL5InnoDBDialect</property>
        <property name="hbm2ddl.auto">update</property>
        <property name="show_sql">true</property>        
        <mapping class="org.crazyit.app.domain.News"/>
    </session-factory>
</hibernate-configuration>

 4.

package lee;

import org.hibernate.*;
import org.hibernate.cfg.*;
import org.hibernate.service.*;
import org.hibernate.boot.registry.*;
import org.crazyit.app.domain.*;

/**
 * Description:
 * <br/>ÍøÕ¾: <a href="http://www.crazyit.org">·è¿ñJavaÁªÃË</a>
 * <br/>Copyright (C), 2001-2016, Yeeku.H.Lee
 * <br/>This program is protected by copyright laws.
 * <br/>Program Name:
 * <br/>Date:
 * @author  Yeeku.H.Lee kongyeeku@163.com
 * @version  1.0
 */
public class NewsManager2
{
    public static void main(String[] args) throws Exception
    {
        Configuration conf = new Configuration()
            .addAnnotatedClass(org.crazyit.app.domain.News.class)
            .setProperty("hibernate.connection.driver_class"
                , "com.mysql.jdbc.Driver")
            .setProperty("hibernate.connection.url"
                , "jdbc:mysql://localhost/hibernate")
            .setProperty("hibernate.connection.username" , "root")
            .setProperty("hibernate.connection.password" , "1234")
            .setProperty("hibernate.c3p0.max_size" , "20")
            .setProperty("hibernate.c3p0.min_size" , "1")
            .setProperty("hibernate.c3p0.timeout" , "5000")
            .setProperty("hibernate.c3p0.max_statements" , "100")
            .setProperty("hibernate.c3p0.idle_test_period" , "3000")
            .setProperty("hibernate.c3p0.acquire_increment" , "2")
            .setProperty("hibernate.c3p0.validate" , "true")
            .setProperty("hibernate.dialect"
                , "org.hibernate.dialect.MySQL5InnoDBDialect")
            .setProperty("hibernate.hbm2ddl.auto" , "update");
        ServiceRegistry serviceRegistry = new StandardServiceRegistryBuilder()
            .applySettings(conf.getProperties()).build();
        SessionFactory sf = conf.buildSessionFactory(serviceRegistry);
        Session sess = sf.openSession();
        Transaction tx = sess.beginTransaction();
        News n = new News();
        n.setTitle("测试");
        n.setContent("测试测试");
        sess.save(n);
        tx.commit();
        sess.close();
    }
}