浩晨众云网站建设,新征程启航
为企业提供网站建设、域名注册、服务器等服务
前言
本文主要给大家介绍了关于Spring启动时Context加载的相关内容,分享出来供大家参考学习,下面话不多说了,来一起看看详细的介绍吧。
测试源码下载test-annotation.zip
有如下的代码
@Component public class HelloWorldService { @Value("${name:World}") private String name; public String getHelloMessage() { return "Hello " + this.name; } } @Configuration public class BootStrap { @Bean public static HelloWorldService helloService() { return new HelloWorldService(); } public static void main(String[] args) { InstantiationStrategy instantiationStrategy = new SimpleInstantiationStrategy(); DefaultListableBeanFactory beanFactory = new DefaultListableBeanFactory(); beanFactory.setInstantiationStrategy(instantiationStrategy); AnnotationConfigApplicationContext applicationContext = new AnnotationConfigApplicationContext(beanFactory); applicationContext.register(BootStrap.class); applicationContext.refresh(); HelloWorldService service = applicationContext.getBean(HelloWorldService.class); System.out.println(service.getHelloMessage()); applicationContext.close(); } }