问配置spring以在Controller方法上返回静态文件

EN

@Configuration
@EnableWebMvc
@ComponentScan(basePackages = "com.xxxx", excludeFilters =  @Filter(Configuration.class)})
public class WebConfig extends WebMvcConfigurerAdapter {
    ...
    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
            registry.addResourceHandler("/app.js").addResourceLocations("/app.js");
    }
    ...
    @Bean
    public ViewResolver contentNegotiatingViewResolver(ContentNegotiationManager manager) {
        // Define the view resolvers
        List<ViewResolver> resolvers = new ArrayList<ViewResolver>();       

        JsonViewResolver jsonViewResolver = new JsonViewResolver();

        FreeMarkerViewResolver freeMarkerViewResolver = new FreeMarkerViewResolver();
        freeMarkerViewResolver.setSuffix("rtl");

        resolvers.add(jsonViewResolver);
        resolvers.add(freeMarkerViewResolver);

        ContentNegotiatingViewResolver resolver = new ContentNegotiatingViewResolver();
        resolver.setContentNegotiationManager(manager);
        resolver.setViewResolvers(resolvers);
        return resolver;
    }
}

@Controller
@RequestMapping("/")
public class JSViewController {

    @RequestMapping(value="*.js")
    public String resolveArquivo(HttpServletRequest request){
        // Here I would be able to say to sprint to return a static resource instead of hadle it with one of the View Resolvers.        
        return request.getRequestURI().replace(request.getContextPath(),"");
    }
}