【引用】hibernate3.6 annotation

1.目前最新的hibernate版本为hibernate3.6 ，此版本已经包含了Hibernate Annotations 和 Hibernate EntityManager，所以现在只要下载hibernate3.6就ok了。

官网地址为：http://www.hibernate.org/

或:http://nchc.dl.sourceforge.net/project/hibernate/hibernate3/3.6.0.Final/hibernate-distribution-3.6.0.Final-dist.zip

即必须导入的包都在改文件夹下：\lib\required（解压后的）

注：在该解压包中：hibernate-distribution-3.6.0.Final\documentation\下有2个文件夹，javadoc和manual，一个是API，一个是帮助文档

2.使用log4j（虽然hibernate使用的是slf4j）

下载地址：http://www.apache.org/dyn/closer.cgi/logging/log4j/1.2.16/apache-log4j-1.2.16.zip

即需要的jar包：log4j-1.2.16.jar

3.单元测试Junit4.9

下载地址：https://github.com/downloads/KentBeck/junit/junit4.9b2.zip

即需要的jar包：junit-4.9b2.jar

4. ejb3-persistence.jar的下载地址：http://www.java2s.com/Code/JarDownload/ejb3-persistence.jar.zip

  如果没有改jar包;将有可能出现：javax/persistence/EntitvListeners提示

5. slf4j的下载地址：    http://www.slf4j.org/dist/slf4j-1.6.1.zip

即需要slf4j-log4j12-1.6.1.jar包，此包是slf4j转log4j的jar，当你使用log4j的时候所需要的，如果想要使用其他的日志，这需要该包下其他的转换jar包（因开发而异）。

6. hibernate-jpa-2.0-api-1.0.0.Final.jar;该jar在hibernate3.6解压文件中：hibernate-distribution-3.6.0.Final\lib\jpa

如果没有该jar包;将有可能出现：javax.persistence.Caheable的提示。

7. jar全部准备好后,开始建立项目，名称Hibernate_FirstProject,并在src文件夹下导入相应的配置文件: hibernate.cfg.xml和log4j.properties该文件都可以在hibernate3.6包中找到：

hibernate-distribution-3.6.0.Final\project\etc；

但是hibernate.cfg.xml的内容有点少了，所以最好可以去帮助文档里copy一份过来,修改一下就好啦,内容如下：

hibernate.cfg.xml

view plaincopy to clipboardprint?
01.<?xml version='1.0' encoding='utf-8'?>  
02.<!DOCTYPE hibernate-configuration PUBLIC  
03.        "-//Hibernate/Hibernate Configuration DTD 3.0//EN" 
04.        "http://www.hibernate.org/dtd/hibernate-configuration-3.0.dtd">  
05. 
06.<hibernate-configuration>  
07. 
08.    <session-factory>  
09. 
10.        <!-- Database connection settings -->  
11.        <property name="connection.driver_class">  
12.              com.microsoft.sqlserver.jdbc.SQLServerDriver  
13.        </property>  
14.        <property name="connection.url">  
15.             jdbc:sqlserver://localhost:1433;DatabaseName=db_FirstProject  
16.        </property>  
17.        <property name="connection.username">sa</property>  
18.        <property name="connection.password"></property>  
19. 
20.        <!-- JDBC connection pool (use the built-in) -->  
21.        <!--<property name="connection.pool_size">1</property>-->  
22. 
23.        <!-- SQL dialect -->  
24.        <property name="dialect">org.hibernate.dialect.SQLServerDialect</property>  
25. 
26.        <!-- Enable Hibernate's automatic session context management -->  
27.        <property name="current_session_context_class">thread</property>  
28. 
29.        <!-- Disable the second-level cache  -->  
30.        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider  
31.        </property>  
32. 
33.        <!-- Echo all executed SQL to stdout -->  
34.        <property name="show_sql">true</property>  
35. 
36.        <!-- Drop and re-create the database schema on startup -->  
37.        <property name="hbm2ddl.auto">update</property>  
38. 
39.     </session-factory>  
40. 
41.</hibernate-configuration> 
<?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>

        <!-- Database connection settings -->
        <property name="connection.driver_class">
              com.microsoft.sqlserver.jdbc.SQLServerDriver
        </property>
        <property name="connection.url">
             jdbc:sqlserver://localhost:1433;DatabaseName=db_FirstProject
        </property>
        <property name="connection.username">sa</property>
        <property name="connection.password"></property>

        <!-- JDBC connection pool (use the built-in) -->
        <!--<property name="connection.pool_size">1</property>-->

        <!-- SQL dialect -->
        <property name="dialect">org.hibernate.dialect.SQLServerDialect</property>

        <!-- Enable Hibernate's automatic session context management -->
        <property name="current_session_context_class">thread</property>

        <!-- Disable the second-level cache  -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider
        </property>

        <!-- Echo all executed SQL to stdout -->
        <property name="show_sql">true</property>

        <!-- Drop and re-create the database schema on startup -->
        <property name="hbm2ddl.auto">update</property>

     </session-factory>

</hibernate-configuration>

        <property name="connection.driver_class">驱动</property>
        <property name="connection.url">URL地址</property>
        <property name="connection.username">你自己的用户名</property>
        <property name="connection.password">密码</property>

这些就相当于编写JDBC，而hibernate就把这些写入配置文件中

还需要修改的为：

<property name="dialect">使用相应的sql的方言,方言的值可以在帮助文档中找到,即表示hibernate会翻译成相应数据的sql语句</property>

view plaincopy to clipboardprint?
01.DB2             org.hibernate.dialect.DB2Dialect   
02.DB2 AS/400      org.hibernate.dialect.DB2400Dialect   
03.DB2 OS390       org.hibernate.dialect.DB2390Dialect   
04.PostgreSQL      org.hibernate.dialect.PostgreSQLDialect   
05.MySQL           org.hibernate.dialect.MySQLDialect   
06.MySQL with InnoDB   org.hibernate.dialect.MySQLInnoDBDialect   
07.MySQL with MyISAM   org.hibernate.dialect.MySQLMyISAMDialect   
08.Oracle（any version）     org.hibernate.dialect.OracleDialect   
09.Oracle 9i       org.hibernate.dialect.Oracle9iDialect   
10.Oracle 10g      org.hibernate.dialect.Oracle10gDialect   
11.Sybase          org.hibernate.dialect.SybaseDialect   
12.Sybase Anywhere     org.hibernate.dialect.SybaseAnywhereDialect   
13.Microsoft SQL Server    org.hibernate.dialect.SQLServerDialect   
14.SAP DB          org.hibernate.dialect.SAPDBDialect   
15.Informix        org.hibernate.dialect.InformixDialect   
16.HypersonicSQL       org.hibernate.dialect.HSQLDialect   
17.Ingres          org.hibernate.dialect.IngresDialect   
18.Progress        org.hibernate.dialect.ProgressDialect   
19.Mckoi SQL       org.hibernate.dialect.MckoiDialect   
20.Interbase       org.hibernate.dialect.InterbaseDialect   
21.Pointbase       org.hibernate.dialect.PointbaseDialect   
22.FrontBase       org.hibernate.dialect.FrontbaseDialect   
23.Firebird        org.hibernate.dialect.FirebirdDialect  
DB2    org.hibernate.dialect.DB2Dialect
DB2 AS/400   org.hibernate.dialect.DB2400Dialect
DB2 OS390   org.hibernate.dialect.DB2390Dialect
PostgreSQL   org.hibernate.dialect.PostgreSQLDialect
MySQL    org.hibernate.dialect.MySQLDialect
MySQL with InnoDB  org.hibernate.dialect.MySQLInnoDBDialect
MySQL with MyISAM  org.hibernate.dialect.MySQLMyISAMDialect
Oracle（any version）  org.hibernate.dialect.OracleDialect
Oracle 9i   org.hibernate.dialect.Oracle9iDialect
Oracle 10g   org.hibernate.dialect.Oracle10gDialect
Sybase    org.hibernate.dialect.SybaseDialect
Sybase Anywhere  org.hibernate.dialect.SybaseAnywhereDialect
Microsoft SQL Server  org.hibernate.dialect.SQLServerDialect
SAP DB    org.hibernate.dialect.SAPDBDialect
Informix   org.hibernate.dialect.InformixDialect
HypersonicSQL   org.hibernate.dialect.HSQLDialect
Ingres    org.hibernate.dialect.IngresDialect
Progress   org.hibernate.dialect.ProgressDialect
Mckoi SQL   org.hibernate.dialect.MckoiDialect
Interbase  org.hibernate.dialect.InterbaseDialect
Pointbase   org.hibernate.dialect.PointbaseDialect
FrontBase   org.hibernate.dialect.FrontbaseDialect
Firebird   org.hibernate.dialect.FirebirdDialect 

8. 编写自己的实体类Teacher.java

   
view plaincopy to clipboardprint?
01.package com.hero.model;  
02. 
03.import java.util.Date;  
04. 
05.import javax.persistence.Column;  
06.import javax.persistence.Entity;  
07.import javax.persistence.GeneratedValue;  
08.import javax.persistence.GenerationType;  
09.import javax.persistence.Id;  
10.import javax.persistence.Table;  
11.import javax.persistence.Temporal;  
12.import javax.persistence.TemporalType;  
13.import javax.persistence.Transient;  
14. 
15.import org.hibernate.annotations.GenericGenerator;  
16. 
17.@Entity  
18.public class Teacher {  
19.    private int id;  
20.    private String password;  
21.    private String username;  
22.    public Teacher(){}  
23.      
24.    @Id  
25.    @GeneratedValue(strategy=GenerationType.AUTO)  
26.    public int getId() {  
27.        return id;  
28.    }  
29.    public void setId(int id) {  
30.        this.id = id;  
31.    }  
32.    public String getPassword() {  
33.        return password;  
34.    }  
35.    public void setPassword(String password) {  
36.        this.password = password;  
37.    }  
38.    public String getUsername() {  
39.        return username;  
40.    }  
41.    public void setUsername(String username) {  
42.        this.username = username;  
43.    }  
44.      
45.} 
package com.hero.model;

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.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Transient;

import org.hibernate.annotations.GenericGenerator;

@Entity
public class Teacher {
 private int id;
 private String password;
 private String username;
 public Teacher(){}
 
 @Id
 @GeneratedValue(strategy=GenerationType.AUTO)
 public int getId() {
  return id;
 }
 public void setId(int id) {
  this.id = id;
 }
 public String getPassword() {
  return password;
 }
 public void setPassword(String password) {
  this.password = password;
 }
 public String getUsername() {
  return username;
 }
 public void setUsername(String username) {
  this.username = username;
 }
 
}
 

9.编写自己的测试类TeacherTest.java

  
view plaincopy to clipboardprint?
01.package com.hero.model;  
02. 
03.import static org.junit.Assert.*;  
04. 
05.import java.util.Date;  
06. 
07.import junit.framework.TestCase;  
08. 
09.import org.hibernate.Session;  
10.import org.hibernate.SessionFactory;  
11.import org.hibernate.cfg.Configuration;  
12. 
13.public class TeacherTest extends TestCase{  
14.    private SessionFactory sessionFactory;  
15. 
16.    @Override  
17.    protected void setUp() throws Exception {  
18.        // A SessionFactory is set up once for an application  
19.        sessionFactory = new Configuration()  
20.                .configure() // configures settings from hibernate.cfg.xml  
21.                .buildSessionFactory();  
22.    }  
23. 
24.    @Override  
25.    protected void tearDown() throws Exception {  
26.        if ( sessionFactory != null ) {  
27.            sessionFactory.close();  
28.        }  
29.    }  
30. 
31.    @SuppressWarnings({ "unchecked" })  
32.    public void testBasicUsage() {  
33.        // create a couple of events...  
34.        Teacher t=new Teacher();  
35.        t.setPassword("tea1");  
36.        t.setUsername("teacher2");  
37.        Session session = sessionFactory.openSession();  
38.        session.beginTransaction();  
39.        session.save(t);  
40.                session.getTransaction().commit();  
41.        session.close();  
42.    }  
43. 
44.} 
package com.hero.model;

import static org.junit.Assert.*;

import java.util.Date;

import junit.framework.TestCase;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class TeacherTest extends TestCase{
 private SessionFactory sessionFactory;

 @Override
 protected void setUp() throws Exception {
  // A SessionFactory is set up once for an application
        sessionFactory = new Configuration()
                .configure() // configures settings from hibernate.cfg.xml
                .buildSessionFactory();
 }

 @Override
 protected void tearDown() throws Exception {
  if ( sessionFactory != null ) {
   sessionFactory.close();
  }
 }

 @SuppressWarnings({ "unchecked" })
 public void testBasicUsage() {
  // create a couple of events...
  Teacher t=new Teacher();
  t.setPassword("tea1");
  t.setUsername("teacher2");
  Session session = sessionFactory.openSession();
  session.beginTransaction();
  session.save(t);
                session.getTransaction().commit();
  session.close();
 }

}
 

在hibernate3.6中,已经不再使用AnnotationConfiguration了,该内容的东西都被加入到了Configuration中

10.在hibernate.cfg.xml中加入如下代码：

     <mapping class="com.hero.model.Teacher" />

11.测试,perfect,ok!!!

 

本文来自CSDN博客，转载请标明出处：http://blog.csdn.net/hero5460/archive/2011/02/03/6172191.aspx