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/async/《芋道 Spring Boot 异步任务入门》.md

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

src/main/java/cn/iocoder/dashboard/framework/datasource/《芋道 Spring Boot 多数据源（读写分离）入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/dynamic-datasource/?yudao>

src/main/java/cn/iocoder/dashboard/framework/datasource/《芋道 Spring Boot 数据库连接池入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/datasource-pool/?yudao>

src/main/java/cn/iocoder/dashboard/framework/lock4j/core/DefaultLockFailureStrategy.java

@@ -14,7 +14,7 @@ public class DefaultLockFailureStrategy implements LockFailureStrategy {
     @Override
     public void onLockFailure(String key, long acquireTimeout, int acquireCount) {
         log.debug("[onLockFailure][线程:{} 获取锁失败，key:{} 获取超时时长:{} ms]", Thread.currentThread().getName(), key, acquireTimeout);
-        throw new ServiceException(GlobalErrorCodeConstants.CONCURRENCY_REQUESTS);
+        throw new ServiceException(GlobalErrorCodeConstants.LOCKED);
     }
 
 }

src/main/java/cn/iocoder/dashboard/framework/monitor/AdminServerConfiguration.java

@@ -0,0 +1,9 @@
+package cn.iocoder.dashboard.framework.monitor;
+
+import de.codecentric.boot.admin.server.config.EnableAdminServer;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+@EnableAdminServer
+public class AdminServerConfiguration {
+}

src/main/java/cn/iocoder/dashboard/framework/monitor/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * 使用 Spring Boot Admin 实现简单的监控平台
+ */
+package cn.iocoder.dashboard.framework.monitor;

src/main/java/cn/iocoder/dashboard/framework/monitor/《芋道 Spring Boot 监控工具 Admin 入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/Admin/?yudao>

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

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/MyBatis/?yudao>

src/main/java/cn/iocoder/dashboard/framework/quartz/《芋道 Spring Boot 定时任务入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/Job/?yudao>

src/main/java/cn/iocoder/dashboard/framework/redis/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * 采用 Spring Data Redis 操作 Redis，底层使用 Redisson 作为客户端
+ */
+package cn.iocoder.dashboard.framework.redis;

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

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/Redis/?yudao>

src/main/java/cn/iocoder/dashboard/framework/resilience4j/package-info.java

@@ -0,0 +1,9 @@
+/**
+ * 使用 Resilience4j 组件，实现服务保障，包括：
+ * 1. 熔断器
+ * 2. 限流器
+ * 3. 舱壁隔离
+ * 4. 重试
+ * 5. 限时器
+ */
+package cn.iocoder.dashboard.framework.resilience4j;

src/main/java/cn/iocoder/dashboard/framework/resilience4j/《芋道 Spring Boot 安全框架 Spring Security 入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/Spring-Security/?github>

src/main/java/cn/iocoder/dashboard/framework/security/《芋道 Spring Boot 安全框架 Spring Security 入门》.md

@@ -1,2 +1,2 @@
-* 芋道 Spring Security 入门：<http://www.iocoder.cn/Spring-Boot/Spring-Security/?dashboard>
-* Spring Security 基本概念：<http://www.iocoder.cn/Fight/Spring-Security-4-1-0-Basic-concept-description/?dashboard>
+* 芋道 Spring Security 入门：<http://www.iocoder.cn/Spring-Boot/Spring-Security/?yudao>
+* Spring Security 基本概念：<http://www.iocoder.cn/Fight/Spring-Security-4-1-0-Basic-concept-description/?yudao>

src/main/java/cn/iocoder/dashboard/framework/swagger/《芋道 Spring Boot API 接口文档 Swagger 入门》.md

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

src/main/java/cn/iocoder/dashboard/framework/tracer/《芋道 Spring Boot 链路追踪 SkyWalking 入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/SkyWalking/?yudao>

src/main/java/cn/iocoder/dashboard/framework/validator/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * 使用 Hibernate Validator 实现参数校验
+ */
+package cn.iocoder.dashboard.framework.validator;

src/main/java/cn/iocoder/dashboard/framework/validator/《芋道 Spring Boot 参数校验 Validation 入门》.md

@@ -0,0 +1 @@
+<http://www.iocoder.cn/Spring-Boot/Validation/?yudao>

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>