Spring MVC - DispatcherServlet 通过注释

public class ApplicationInitializer implements WebApplicationInitializer {



 //Called first when the application starts loading.

 public void onStartup/ServletContext servletContext/

 throws ServletException {

 System.out.println/"Inside application initializer..."/;



 //Registering the class that incorporates the annotated DispatcherServlet configuration of spring

 AnnotationConfigWebApplicationContext rootContext = new AnnotationConfigWebApplicationContext//;

 rootContext.register/DispatcherConfig.class/;



 //Adding the listener for the rootContext

 servletContext.addListener/new ContextLoaderListener/rootContext//;



 //Registering the dispatcher servlet mappings.

 ServletRegistration.Dynamic dispatcher = servletContext.addServlet/"dispatcher", new DispatcherServlet/rootContext//;

 dispatcher.setLoadOnStartup/1/;

 dispatcher.addMapping/"/"/;

 }



}

public class WebInitializer extends

 AbstractAnnotationConfigDispatcherServletInitializer {



 private static final Log LOGGER = LogFactory.getLog/WebInitializer.class/;



 @Override

 protected Class [] getRootConfigClasses// {

 /* this is where you will return you config class

 * your root config class should @Import other configs 

 * to make them work without needing them to add there

 */

 return new Class[] { ViewConfig.class };

 }



 @Override

 protected Class [] getServletConfigClasses// {

 return new Class[0];

 }



 @Override

 protected String[] getServletMappings// {

 return new String[] { "/" };

 }



}