import com.kwan.spring5.service.UserService; import org.junit.Test; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * 开启组件扫描细节配置 * * @author : qinyingjie * @version : 2.2.0 * @date : 2022/11/12 18:43 */ public class Spring_17_ComponentTest { @Test public void testBean3() { ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("spring17.xml"); UserService userService = context.getBean("userService", UserService.class); userService.update(); } }