初始化CRICS

Common/RateLimiter.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading;
+
+namespace Common
+{
+    public class RateLimiter
+    {
+        private static readonly object lockObject = new object();
+        private static readonly int requestsPerSecond = 5;//每秒允许请求5次
+        private static int remainingRequests;//剩余请求次数
+        private static long lastRequestTime;//上次请求时间
+        /// <summary>
+        /// 实现速率限制。它根据指定的每秒请求数量来控制请求是否被允许
+        /// </summary>
+        static RateLimiter()
+        {
+            remainingRequests = requestsPerSecond;
+            lastRequestTime = DateTime.UtcNow.Ticks;
+        }
+        /// <summary>
+        /// 实现速率限制：默认每秒允许请求5次
+        /// </summary>
+        /// <returns></returns>
+        public static bool TryRequest()
+        {
+            lock (lockObject)
+            {
+                long currentTime = DateTime.UtcNow.Ticks;//当前请求时间
+                long elapsedTicks = currentTime - lastRequestTime;
+                double elapsedSeconds = elapsedTicks / TimeSpan.TicksPerSecond;
+
+                remainingRequests += (int)(elapsedSeconds * requestsPerSecond);
+
+                if (remainingRequests > requestsPerSecond)
+                {
+                    remainingRequests = requestsPerSecond;
+                }
+
+                if (remainingRequests > 0)
+                {
+                    remainingRequests--;
+                    lastRequestTime = currentTime;
+                    return true;
+                }
+
+                return false;
+            }
+        }
+    }
+}