改善spring+hibernate

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE beans PUBLIC "-//SPRING/DTD BEAN/EN"
"http://www.springframework.org/dtd/spring-beans.dtd">
<beans>
    <bean id="dataSource"
          class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName">
            <value>com.mysql.jdbc.Driver</value>
        </property>
        <property name="url">
            <value>jdbc:mysql://localhost:3306/demo</value>
        </property>
        <property name="username">
            <value>caterpillar</value>
        </property>
        <property name="password">
            <value>123456</value>
        </property> 
    </bean>
   
    <bean id="sessionFactory" 
          class="org.springframework.orm.hibernate3.LocalSessionFactoryBean"
          destroy-method="close">
        <property name="dataSource">
            <ref bean="dataSource"/>
        </property>
        <property name="mappingResources">
            <list>
                <value>onlyfun/caterpillar/User.hbm.xml</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">
                    org.hibernate.dialect.MySQLDialect
                </prop>
            </props>
        </property>
    </bean>


    <bean id="userDAO" class="onlyfun.caterpillar.UserDAO">
        <property name="sessionFactory">
            <ref bean="sessionFactory"/>
        </property>
    </bean>
</beans>
=================================================
package com.spring.text;

import java.util.List;
import javax.sql.DataSource;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hibernate.*;
import org.hibernate.criterion.Example;
import org.springframework.orm.hibernate3.HibernateTemplate;
import org.springframework.orm.hibernate.support.HibernateDaoSupport;
import java.sql.*;
/**
* Data access object (DAO) for domain model class Login.
* @see com.spring.text.Login
* @author MyEclipse - Hibernate Tools
*/
public class LoginDAO {


  private HibernateTemplate template;
 
   SessionFactory sessionFactory;
   public LoginDAO(){
  
   }
   public LoginDAO(SessionFactory session){
   this.setSessionFactory(session);
   }
   public void setSessionFactory(SessionFactory sessionFactory) {
   //this.sessionFactory = sessionFactory;
   template = new HibernateTemplate(sessionFactory);
   }

public void insert(Login user) {
//         // 取得Session
//         Session ss = sessionFactory.openSession();
//         // 开启事务
//         Transaction tx= ss.beginTransaction();
//         // 直接储存对象
//         ss.save(user);
//         // 送出事务
//         tx.commit();
//         ss.close();

template.save(user);
    }





}
============================

package com.spring.text;

import java.sql.*;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.*;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

public class SpringHibernateDemo
  {
public static void main(String[] args) throws Exception {
        ApplicationContext context = new
        FileSystemXmlApplicationContext("applicationContext.xml");

       
      LoginDAO login = (LoginDAO) context.getBean("loginDao");  
      
      System.out.println("================"+login);
   
      Login user = new Login();
      user.setAge(new Integer(21));
      user.setId(new Integer(1));
      user.setName("这是我的成功例子");
      login.insert(user);
      System.out.println("数据库添中成功");

    }
}