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();
     }
 }