完全注解开发
(1)创建配置类,替代 xml 配置文件 @Configuration //作为配置类,替代 xml 配置文件 @ComponentScan (basePackages = { "com.tansun" }) public class SpringConfig { } (2)编写测试类 @Test public void testService2() { //加载配置类 ApplicationContext context = new AnnotationConfigApplicationContext(SpringConfig. class ); UserService userService = context.getBean( "userService" , UserService. class ); System. out .println(userService); userService.add(); }