spring hibernate初步

beans.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-3.0.xsd">


<context:annotation-config></context:annotation-config>
<context:component-scan base-package="com.bjsxt"/>
	
	
<bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
  <property name="driverClassName" value="com.mysql.jdbc.Driver" />
  <property name="url" value="jdbc:mysql://localhost:3306/spring" />
  <property name="username" value="root" />
  <property name="password" value="root" />
</bean>

  <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
    <property name="dataSource" ref="dataSource"/>
    <property name="annotatedClasses">
      <list>
        <value>com.bjsxt.model.User</value>
      </list>
    </property>
    <property name="hibernateProperties">
    	<props>
        	<prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
        	<prop key="show_sql">true</prop>
    	</props>
    </property>
  </bean>


</beans>

user.java

package com.bjsxt.model;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;





@Entity
public class User {
	private int id;
	private String name;
	@Id
	@GeneratedValue
	public int getId() {
		return id;
	}
	
	public void setId(int id) {
		this.id = id;
	}
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}

}

UseDAOImpl

package com.bjsxt.dao.impl;

import java.sql.Connection;
import java.sql.SQLException;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Set;

import javax.annotation.Resource;
import javax.sql.DataSource;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.stereotype.Component;

import com.bjsxt.dao.UserDAO;
import com.bjsxt.model.User;

@Component("uu")
public class UserDAOImpl implements UserDAO {

	private SessionFactory sessionFactory;
	
	
	public SessionFactory getSessionFactory() {
		return sessionFactory;
	}

	@Resource
	public void setSessionFactory(SessionFactory sessionFactory) {
		this.sessionFactory = sessionFactory;
	}

	public void save(User user) {
		//Hibernate
		//JDBC
		//XML
		//NetWork
		Connection connection = null;
	
		Session session = sessionFactory.openSession();
		session.beginTransaction();
		session.save(user);
		session.getTransaction().commit();
		
		System.out.println("user saved!");
	}
}

test

package com.bjsxt.service;

import org.junit.Test;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.bjsxt.model.User;



public class UserServiceTest {

	@Test
	public void testAdd() throws Exception {
		ClassPathXmlApplicationContext applicationContext = new ClassPathXmlApplicationContext("beans.xml");
		
		UserService service = (UserService)applicationContext.getBean("uuuService");
		//UserService service2 = (UserService)applicationContext.getBean("uuuService");
		//System.out.println(service==service2);
		service.add(new User());
		applicationContext.destroy();
	}
}