前言
本文主要給大家介紹了關(guān)于Spring啟動時Context加載的相關(guān)內(nèi)容,分享出來供大家參考學(xué)習(xí),下面話不多說了,來一起看看詳細(xì)的介紹吧。
測試源碼下載test-annotation.zip
有如下的代碼
@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(); } }