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我嘗試使用彈簧,並卡住彈簧配置。正如你在標題中看到的,我嘗試在註釋上進行配置,並嘗試使用spring-boot(這是非常好的,因爲我認爲)。基於註釋的彈簧DI
所以我的問題很簡單,(我認爲),是如何注入我的豆與Servlet(其他類等)
1)我有一個配置的應用程序
@Configuration
@ComponentScan
@EnableAutoConfiguration
public class Application extends SpringBootServletInitializer {
public static void main(String[] args) {
SpringApplication.run(applicationClass, args);
}
@Override
protected SpringApplicationBuilder configure(SpringApplicationBuilder application) {
return application.sources(applicationClass);
}
private static Class<Application> applicationClass = Application.class;
@Bean(name = "some", autowire = Autowire.BY_TYPE)
@Scope(ConfigurableBeanFactory.SCOPE_SINGLETON)
public Some someInit() {
return new Some();
}
}
2)豆
public class Some {
public Some() {}
public Integer get() {
return 1;
}
}
3)和servlet在那裏我嘗試注入我的豆
public class IndexServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
public IndexServlet() {
super();
}
@Autowired
Some some;
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
Integer integer = some.get();
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
}
}
所以,有些總是空的,我不明白爲什麼。我試圖調試代碼,並且我看到Application被初始化,並且Some in Application被實例化。但它不會被注入到我的servlet中。
謝謝!