hibernate基础实例

hibernate基础实例：

package com.javamodel.hibernate;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

import net.sf.hibernate.HibernateException;
import net.sf.hibernate.MappingException;
import net.sf.hibernate.Session;
import net.sf.hibernate.SessionFactory;
import net.sf.hibernate.Transaction;
import net.sf.hibernate.cfg.Configuration;

public class Example{

    private static SessionFactory _sessions = null;
    private static Properties pops = new Properties();
    static{
        try {
            InputStream stream = Example.class.getResourceAsStream("hibernate.properties");
            try {
                pops.load(stream);
            } catch (IOException e1) {
                e1.printStackTrace();
            }
            Configuration cfg = new Configuration();
            cfg.addClass(Person.class);
            cfg.setProperties(pops);
            _sessions = cfg.buildSessionFactory();
        } catch (MappingException e) {
           e.printStackTrace();
        } catch (HibernateException e) {
           e.printStackTrace();
        }

    }

    public static void main(String[] args) throws HibernateException {

        Person person = new Person();
        person.setName("smallduzi");
        person.setEmail("[e-mail]");

        Session session = _sessions.openSession();

        Transaction tx = null;
        try{
            tx = session.beginTransaction();
            session.save(person);
            tx.commit();
        }catch(HibernateException he){
            if(tx != null) tx.rollback();
            throw he;
        }
        finally{
            session.close();
        }

    }

}

<script type="text/javascript">render_code();</script>
Person.java

代码

package com.javamodel.hibernate;

public class Person {

    private String id = null;
    private String name = null;
    private String email = null;

    public Person(){}

    /**
     * @return
     */
    public String getEmail() {
        return email;
    }

    /**
     * @return
     */
    public String getId() {
        return id;
    }

    /**
     * @return
     */
    public String getName() {
        return name;
    }

    /**
     * @param string
     */
    public void setEmail(String string) {
        email = string;
    }

    /**
     * @param string
     */
    public void setId(String string) {
        id = string;
    }

    /**
     * @param string
     */
    public void setName(String string) {
        name = string;
    }

}

<script type="text/javascript">render_code();</script>
Person.hbm.xml

代码

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping SYSTEM "http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd" >
<hibernate-mapping>
    <class name="com.javamodel.hibernate.Person" table="person">
        <id name="id">
            <column name="id" length="40"/>
            <generator class="uuid.hex"/>
        </id>
        <property name="name" column="name" />
        <property name="email" column="email" />
    </class>
</hibernate-mapping>

<script type="text/javascript">render_code();</script>
hibernate.properties

代码

## Oracle

hibernate.dialect net.sf.hibernate.dialect.OracleDialect
hibernate.connection.driver_class oracle.jdbc.driver.OracleDriver
hibernate.connection.username XXX
hibernate.connection.password XXX
#hibernate.connection.url jdbc:oracle:thin:@192.168.0.28:1521:orcl
hibernate.connection.url jdbc:oracle:oci8:@XXX