package com.itheima.demo;

import com.itheima.dao.CarDao;
import com.itheima.dao.UserDao;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class userDaoDemo {
    public static void main(String[] args) {
        ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserDao userDao = (UserDao) app.getBean("userDao");
        userDao.save();
        CarDao carDao = (CarDao) app.getBean("carDao");
        carDao.sell();
    }

    /**
     * scope="prototype" bean 标签的scope属性设置单列singleton（默认） 多列prototype
     */
    @Test
    public void test(){
        ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserDao userDao1 = (UserDao) app.getBean("userDao");
        UserDao userDao2 = (UserDao) app.getBean("userDao");
        System.out.println(userDao1);
        System.out.println(userDao2);
    }
}

package com.itheima.demo;

import com.itheima.dao.CarDao;
import com.itheima.dao.UserDao;
import org.junit.Test;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class userDaoDemo {
    public static void main(String[] args) {
        ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserDao userDao = (UserDao) app.getBean("userDao");
        userDao.save();
        CarDao carDao = (CarDao) app.getBean("carDao");
        carDao.sell();
    }

    /**
     * scope="prototype" bean 标签的scope属性设置单列singleton（默认） 多列prototype
     */
    @Test
    public void test(){
        ApplicationContext app = new ClassPathXmlApplicationContext("applicationContext.xml");
        UserDao userDao1 = (UserDao) app.getBean("userDao");
        UserDao userDao2 = (UserDao) app.getBean("userDao");
        System.out.println(userDao1);
        System.out.println(userDao2);
    }
}