@EnableWebMvc
@Configuration
public class WebAppConfig implements WebMvcConfigurer {

    private static final String[] CLASSPATH_RESOURCE_LOCATIONS = {
            "classpath:/META-INF/resources/", "classpath:/resources/",
            "classpath:/static/", "classpath:/public/" };

    @Override
    public void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(new AppInterceptor()).addPathPatterns("/**").excludePathPatterns("");
    }


    @Override
    public void addResourceHandlers(ResourceHandlerRegistry registry) {
        //配置server虚拟路径，handler为页面中访问的目录，locations为files相对应的本地路径
        registry.addResourceHandler("/static/**")
                .addResourceLocations(CLASSPATH_RESOURCE_LOCATIONS);
    }

}