springboot 配置本地文件映射路径

 @Configuration
 public class MyBlogWebMvcConfigurer extends WebMvcConfigurerAdapter {

     @Autowired
     private AdminLoginInterceptor adminLoginInterceptor;

     public void addInterceptors(InterceptorRegistry registry) {
         // 添加一个拦截器，拦截以/admin为前缀的url路径
         registry.addInterceptor(adminLoginInterceptor).addPathPatterns("/admin/**").excludePathPatterns("/admin/login").excludePathPatterns("/admin/dist/**").excludePathPatterns("/admin/plugins/**");
         super.addInterceptors(registry);
     }

     public void addResourceHandlers(ResourceHandlerRegistry registry) {
         registry.addResourceHandler("/upload/**").addResourceLocations("file:" + Constants.FILE_UPLOAD_DIC);

         super.addResourceHandlers(registry);

     }
 }