/**

      * 设置允许跨域请求

      * @return

      */

     @Override

     public void addCorsMappings(CorsRegistry registry) {

         ConstantConfig config = context.getBean(ConstantConfig.class);

         Cors cors = config.getCors();

         registry.addMapping(cors.getMapping())

         .allowedOrigins(cors.getOrigins())

         .allowedMethods(cors.getMethods())

         .allowCredentials(cors.getCredentials()).maxAge(cors.getMaxAge());

         log.info(String.format("允许原域%s使用方法%S访问路径%s",

                 Arrays.toString(cors.getOrigins()),

                 Arrays.toString(cors.getMethods()),

                 cors.getMapping()));

     }

     @Override

     public void configurePathMatch(PathMatchConfigurer configurer) {

         configurer.setUseSuffixPatternMatch(false);// 在匹配路径的时候忽略后缀

     }

     // 添加静态资源访问路径

     @Override

     public void addResourceHandlers(ResourceHandlerRegistry registry) {

         // addResourceHandler指对外暴露的访问路径，addResourcesLocations指的是配置文件存放的目录

         registry.addResourceHandler("/assets/**").addResourceLocations("classpath:/assets");

     }

     // 添加视图映射路径

     @Override

     public void addViewControllers(ViewControllerRegistry registry) {

         //

         registry.addViewController("/").setViewName("index.html");

     }