spring5 入门第一课,创建对象 01
1.项目结构
2.步骤
2.1 创建User
package com.cj.spring5; public class User { public void add(){ System.out.println("add..."); } }
2.2 创建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" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd"> <bean id="user" class="com.cj.spring5.User"></bean> </beans>
2.3 创建Test
package com.cj.spring5.testdemo; import com.cj.spring5.User; import org.junit.Test; import org.springframework.context.support.ClassPathXmlApplicationContext; public class TestSpring5 { @Test public void test1(){ //获取xml ClassPathXmlApplicationContext xml = new ClassPathXmlApplicationContext("bean1.xml"); //获取对象 User user = xml.getBean("user", User.class); System.out.println(user); //调用 user.add(); } }