add RedisUtils 增加限流工具

ruoyi-common/src/main/java/com/ruoyi/common/utils/RedisUtils.java

@@ -25,6 +25,20 @@ public class RedisUtils {
 
     private static RedissonClient client = SpringUtils.getBean(RedissonClient.class);
 
+    /**
+     * 限流
+     *
+     * @param key          限流key
+     * @param limitType    限流类型
+     * @param rate         速率
+     * @param rateInterval 速率间隔
+     */
+    public static boolean rateLimiter(String key, RateType rateType, int rate, int rateInterval) {
+        RRateLimiter rateLimiter = client.getRateLimiter(key);
+        rateLimiter.trySetRate(rateType, rate, rateInterval, RateIntervalUnit.SECONDS);
+        return rateLimiter.tryAcquire();
+    }
+
     /**
      * 发布通道消息
      *