spring从入门到精通的实例代码.rar

package com.atguigu.spring5.testdemo; import com.atguigu.spring5.autowire.Emp; import com.atguigu.spring5.bean.Orders; import com.atguigu.spring5.collectiontype.Book; import com.atguigu.spring5.collectiontype.Course; import com.atguigu.spring5.collectiontype.Stu; import org.junit.Test; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; public class TestSpring5Demo1 { @Test public void testCollection1() { ApplicationContext context = new ClassPathXmlApplicationContext("bean1.xml"); Stu stu = context.getBean("stu", Stu.class); stu.test(); } @Test public void testCollection2() { ApplicationContext context = new ClassPathXmlApplicationContext("bean2.xml"); Book book1 = context.getBean("book", Book.class); Book book2 = context.getBean("book", Book.class); // book.test(); System.out.println(book1); System.out.println(book2); } @Test public void test3() { ApplicationContext context = new ClassPathXmlApplicationContext("bean3.xml"); Course course = context.getBean("myBean", Course.class); System.out.println(course); } @Test public void testBean3() { // ApplicationContext context = // new ClassPathXmlApplicationContext("bean4.xml"); ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("bean4.xml"); Orders orders = context.getBean("orders", Orders.class); System.out.println("第四步 获取创建bean实例对象"); System.out.println(orders); //手动让bean实例销毁 context.close(); } @Test public void test4() { ApplicationContext context = new ClassPathXmlApplicationContext("bean5.xml"); Emp emp = context.getBean("emp", Emp.class); System.out.println(emp); } }