springboot静态资源映射

springboot静态资源映射

WebMvcAutoConfiguration

	@Override

	public void addResourceHandlers(ResourceHandlerRegistry registry) {

			if (!this.resourceProperties.isAddMappings()) {

				logger.debug("Default resource handling disabled");

				return;

			}

			Duration cachePeriod = this.resourceProperties.getCache().getPeriod();

			CacheControl cacheControl = this.resourceProperties.getCache()

					.getCachecontrol().toHttpCacheControl();

            // 读取webjars下的静态文件

            // classpath:/META-INF/resources/webjars/

			if (!registry.hasMappingForPattern("/webjars/**")) {

				customizeResourceHandlerRegistration(registry

						.addResourceHandler("/webjars/**")

						.addResourceLocations("classpath:/META-INF/resources/webjars/")

						.setCachePeriod(getSeconds(cachePeriod))

						.setCacheControl(cacheControl));

			}

            // 静态资源文件夹映射

            // {"classpath:/META-INF/resources/", "classpath:/resources/","classpath:/static/", "classpath:/public/" }

			String staticPathPattern = this.mvcProperties.getStaticPathPattern();

			if (!registry.hasMappingForPattern(staticPathPattern)) {

				customizeResourceHandlerRegistration(

						registry.addResourceHandler(staticPathPattern)

								.addResourceLocations(getResourceLocations(

										this.resourceProperties.getStaticLocations()))

								.setCachePeriod(getSeconds(cachePeriod))

								.setCacheControl(cacheControl));

			}

		}

		// 欢迎页  /**

		@Bean

		public WelcomePageHandlerMapping welcomePageHandlerMapping(

				ApplicationContext applicationContext) {

			return new WelcomePageHandlerMapping(

					new TemplateAvailabilityProviders(applicationContext),

					applicationContext, getWelcomePage(),

					this.mvcProperties.getStaticPathPattern());

		}

静态资源路径可以自定义：

spring.resources.static-locations=classpath:/xxx/,classpath:/yyy/,classpath:/zzz/