项目初始化

klp-demo/src/main/java/com/klp/demo/controller/RedisRateLimiterController.java

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+package com.klp.demo.controller;
+
+import com.klp.common.annotation.RateLimiter;
+import com.klp.common.core.domain.R;
+import com.klp.common.enums.LimitType;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+
+/**
+ * 测试分布式限流样例
+ *
+ * @author Lion Li
+ */
+@Slf4j
+@RestController
+@RequestMapping("/demo/rateLimiter")
+public class RedisRateLimiterController {
+
+    /**
+     * 测试全局限流
+     * 全局影响
+     */
+    @RateLimiter(count = 2, time = 10)
+    @GetMapping("/test")
+    public R<String> test(String value) {
+        return R.ok("操作成功", value);
+    }
+
+    /**
+     * 测试请求IP限流
+     * 同一IP请求受影响
+     */
+    @RateLimiter(count = 2, time = 10, limitType = LimitType.IP)
+    @GetMapping("/testip")
+    public R<String> testip(String value) {
+        return R.ok("操作成功", value);
+    }
+
+    /**
+     * 测试集群实例限流
+     * 启动两个后端服务互不影响
+     */
+    @RateLimiter(count = 2, time = 10, limitType = LimitType.CLUSTER)
+    @GetMapping("/testcluster")
+    public R<String> testcluster(String value) {
+        return R.ok("操作成功", value);
+    }
+
+    /**
+     * 测试请求IP限流(key基于参数获取)
+     * 同一IP请求受影响
+     *
+     * 简单变量获取 #变量 复杂表达式 #{#变量 != 1 ? 1 : 0}
+     */
+    @RateLimiter(count = 2, time = 10, limitType = LimitType.IP, key = "#value")
+    @GetMapping("/testObj")
+    public R<String> testObj(String value) {
+        return R.ok("操作成功", value);
+    }
+
+}