【调整】移除第三方AspNetCoreRateLimit限流组件，使用.net8自带的RateLimiter特性。

CoreCms.Net.Web.WebApi/Program.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Linq;
+using System.Threading.RateLimiting;
 using Autofac;
 using Autofac.Extensions.DependencyInjection;
 using CoreCms.Net.Auth;
@@ -31,6 +32,9 @@ using Newtonsoft.Json;
 using NLog.Web;
 using Yitter.IdGenerator;
 using LogLevel = NLog.LogLevel;
+using Microsoft.AspNetCore.RateLimiting;
+using CoreCms.Net.Model.ViewModels.Options;
+using Microsoft.Extensions.Configuration;
 
 
 var builder = WebApplication.CreateBuilder(args);
@@ -71,9 +75,6 @@ builder.Services.Configure<CoreCms.Net.WeChat.Service.Options.WeChatOptions>(bui
 builder.Services.AddHttpClient();
 builder.Services.AddSingleton<CoreCms.Net.WeChat.Service.HttpClients.IWeChatApiHttpClientFactory, CoreCms.Net.WeChat.Service.HttpClients.WeChatApiHttpClientFactory>();
 
-//启用客户端IP限制速率
-builder.Services.AddIpPolicyRateLimitSetup(builder.Configuration);
-
 //Swagger接口文档注入
 builder.Services.AddClientSwaggerSetup();
 
@@ -89,15 +90,6 @@ builder.Services.AddHttpContextSetup();
 //服务配置中加入AutoFac控制器替换规则。
 builder.Services.Replace(ServiceDescriptor.Transient<IControllerActivator, ServiceBasedControllerActivator>());
 
-//并发限制-使用队列策略模式
-builder.Services.AddQueuePolicy(options =>
-{
-    //最大并发请求数,超过之后,进行排队
-    options.MaxConcurrentRequests = AppSettingsConstVars.MiddlewareConcurrencyLimiterMaxConcurrentRequests;
-    //最大请求数,超过之后,返回503
-    options.RequestQueueLimit = AppSettingsConstVars.MiddlewareConcurrencyLimiterRequestQueueLimit;
-});
-
 //注册mvc，注册razor引擎视图
 builder.Services.AddMvc(options =>
 {
@@ -122,6 +114,23 @@ builder.Services.AddMvc(options =>
         p.SerializerSettings.DateFormatString = "yyyy-MM-dd HH:mm:ss";
     });
 
+//调用 AddRateLimiter 来将速率限制服务添加到服务集合
+builder.Services.Configure<MyRateLimitOptions>(builder.Configuration.GetSection(MyRateLimitOptions.MyRateLimit));
+
+var myOptions = new MyRateLimitOptions();
+builder.Configuration.GetSection(MyRateLimitOptions.MyRateLimit).Bind(myOptions);
+//取名方法限制
+var concurrencyPolicy = "Concurrency";
+
+builder.Services.AddRateLimiter(_ => _
+    .AddFixedWindowLimiter(policyName: concurrencyPolicy, options =>
+    {
+        options.PermitLimit = myOptions.PermitLimit;
+        //options.Window = TimeSpan.FromSeconds(myOptions.Window); //不走窗口限制了。直接走请求数限制。
+        options.QueueProcessingOrder = QueueProcessingOrder.OldestFirst;
+        options.QueueLimit = myOptions.QueueLimit;
+    }));
+
 // 雪花漂移算法
 // 创建 IdGeneratorOptions 对象，请在构造函数中输入 WorkerId：
 var options = new IdGeneratorOptions(1);
@@ -173,10 +182,8 @@ app.UseForwardedHeaders(new ForwardedHeadersOptions
 #region 中间件注册===================================================================
 // 获取用户访问真实ip
 app.RealIpMiddleware();
-// 启用并发限制数中间件
-app.UseConcurrencyLimiter();
-// 开启Ip限流
-app.UseIpLimitMiddle();
+// 启用速率限制中间件
+app.UseRateLimiter();
 // 记录请求与返回数据 (注意开启权限，不然本地无法写入)
 app.UseRequestResponseLog();
 // 用户访问记录(必须放到外层，不然如果遇到异常，会报错，因为不能返回流)(注意开启权限，不然本地无法写入)