Hibernate4实例

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <!DOCTYPE hibernate-configuration PUBLIC
 3         "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 4         "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">
 5 
 6 <hibernate-configuration>
 7 
 8     <session-factory>
 9 
10         <!-- Database connection settings -->
11         <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
12         <property name="connection.url">jdbc:mysql://localhost:3306/test</property>
13         <property name="connection.username">root</property>
14         <property name="connection.password">root</property>
15 
16         <!-- JDBC connection pool (use the built-in) -->
17         <property name="connection.pool_size">1</property>
18 
19         <!-- SQL dialect -->
20         <property name="dialect">org.hibernate.dialect.MySQL5InnoDBDialect </property>
21 
22         <!-- Enable Hibernate‘s automatic session context management -->
23         <property name="current_session_context_class">thread</property>
24 
25         <!-- Disable the second-level cache  -->
26         <property name="cache.provider_class">org.hibernate.cache.internal.NoCacheProvider</property>
27 
28         <!-- Echo all executed SQL to stdout -->
29         <property name="show_sql">true</property>
30 
31         <!-- Drop and re-create the database schema on startup -->
32         <property name="hbm2ddl.auto">update</property>
33 
34         <mapping resource="config/hibernate/News.hbm.xml"/>
35 
36     </session-factory>
37 
38 </hibernate-configuration>

 1 package com.wei.pojo;
 2 
 3 public class News {
 4     
 5     private Integer id;
 6     private String title;
 7     private String content;
 8     
 9     public News(){
10         
11     }
12 
13     public Integer getId() {
14         return id;
15     }
16 
17     public void setId(Integer id) {
18         this.id = id;
19     }
20 
21     public String getTitle() {
22         return title;
23     }
24 
25     public void setTitle(String title) {
26         this.title = title;
27     }
28 
29     public String getContent() {
30         return content;
31     }
32 
33     public void setContent(String content) {
34         this.content = content;
35     }
36 
37 }

1 create table News
2 (
3     id int primary key auto_increment,
4     title varchar(100) not null,
5     content varchar(5000)
6 )

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <!DOCTYPE hibernate-mapping PUBLIC
 3         "-//Hibernate/Hibernate Configuration DTD 3.0//EN"
 4         "http://www.hibernate.org/dtd/hibernate-mapping-3.0.dtd">
 5         
 6 <hibernate-mapping package="com.wei.pojo">
 7 
 8     <class name="News" table="News">
 9         <id name="id" column="id">
10             <generator class="identity"/>
11         </id>
12         <property name="title"/>
13         <property name="content"/>
14     </class>
15 
16 </hibernate-mapping>

 1 package com.wei.proc;
 2 
 3 import org.hibernate.Session;
 4 import org.hibernate.SessionFactory;
 5 import org.hibernate.Transaction;
 6 import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
 7 import org.hibernate.cfg.Configuration;
 8 import org.hibernate.service.ServiceRegistry;
 9 
10 import com.wei.pojo.News;
11 
12 public class DataProc {
13 
14     public static void main(String[] args) {
15         // TODO Auto-generated method stub
16         
17         Configuration config=new Configuration().configure();
18         
19         ServiceRegistry service=new StandardServiceRegistryBuilder().applySettings(config.getProperties()).build();
20         //ServiceRegistry service=new StandardServiceRegistryBuilder().build();
21         SessionFactory sessionFactory=config.buildSessionFactory(service);
22         Session session=sessionFactory.openSession();
23         Transaction tran=session.beginTransaction();
24         
25         News news=new News();
26         news.setTitle("title内容");
27         news.setContent("content内容");
28         
29         session.save(news);
30         tran.commit();
31         session.close();
32         sessionFactory.close();
33 
34     }
35 
36 }