1. 增加服务保障组件，支持限流、熔断等功能

2. 进一步完善文档

src/main/java/cn/iocoder/dashboard/framework/web/core/handler/GlobalExceptionHandler.java

@@ -4,6 +4,7 @@ import cn.iocoder.dashboard.common.exception.GlobalException;
 import cn.iocoder.dashboard.common.exception.ServiceException;
 import cn.iocoder.dashboard.common.pojo.CommonResult;
 import cn.iocoder.dashboard.framework.security.core.util.SecurityUtils;
+import io.github.resilience4j.ratelimiter.RequestNotPermitted;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.validation.BindException;
@@ -63,6 +64,9 @@ public class GlobalExceptionHandler {
         if (ex instanceof HttpRequestMethodNotSupportedException) {
             return httpRequestMethodNotSupportedExceptionHandler((HttpRequestMethodNotSupportedException) ex);
         }
+        if (ex instanceof RequestNotPermitted) {
+            return requestNotPermittedExceptionHandler(request, (RequestNotPermitted) ex);
+        }
         if (ex instanceof ServiceException) {
             return serviceExceptionHandler((ServiceException) ex);
         }
@@ -163,6 +167,15 @@ public class GlobalExceptionHandler {
         return CommonResult.error(METHOD_NOT_ALLOWED.getCode(), String.format("请求方法不正确:%s", ex.getMessage()));
     }
 
+    /**
+     * 处理 Resilience4j 限流抛出的异常
+     */
+    @ExceptionHandler(value = RequestNotPermitted.class)
+    public CommonResult<?> requestNotPermittedExceptionHandler(HttpServletRequest req, RequestNotPermitted ex) {
+        log.warn("[requestNotPermittedExceptionHandler][url({}) 访问过于频繁]", req.getRequestURL(), ex);
+        return CommonResult.error(TOO_MANY_REQUESTS);
+    }
+
     /**
      * 处理 Spring Security 权限不足的异常
      *

src/main/java/cn/iocoder/dashboard/framework/web/《芋道 Spring Boot SpringMVC 入门》.md

@@ -1 +1 @@
-<http://www.iocoder.cn/Spring-Boot/SpringMVC/?dashboard>
+<http://www.iocoder.cn/Spring-Boot/SpringMVC/?yudao>