更新

HttpClientStudy.UnitTest/GlobalUsings.cs

@@ -17,6 +17,9 @@ global using Xunit.Extensions;
 global using Xunit.Internal;
 global using Xunit.Serialization;
 
+global using Xunit.DependencyInjection;
+global using Xunit.DependencyInjection.Logging;
+
 global using HttpClientStudy.Model;
 
 global using HttpClientStudy.Config;

HttpClientStudy.UnitTest/HttpClientStudy.UnitTest.csproj

@@ -10,9 +10,22 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="coverlet.msbuild" Version="6.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="Microsoft.AspNetCore.TestHost" Version="8.0.1" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.8.0" />
+    <PackageReference Include="Moq" Version="4.20.70" />
     <PackageReference Include="System.Net.Http.Json" Version="8.0.0" />
-    <PackageReference Include="xunit" Version="2.6.5" />
+    <PackageReference Include="xunit" Version="2.6.6" />
+    <PackageReference Include="Xunit.DependencyInjection" Version="8.9.1" />
+    <PackageReference Include="Xunit.DependencyInjection.Logging" Version="8.1.0" />
+    <PackageReference Include="xunit.runner.console" Version="2.6.6">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
     <PackageReference Include="xunit.runner.visualstudio" Version="2.5.6">
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
       <PrivateAssets>all</PrivateAssets>

HttpClientStudy.UnitTest/startup.cs

@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+using Microsoft.AspNetCore.TestHost;
+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.Hosting;
+
+namespace HttpClientStudy.UnitTest
+{
+    /// <summary>
+    /// 依赖注入 框架必备设置类
+    /// </summary>
+    public class Startup
+    {
+        /// <summary>
+        /// 创建主机：可选，一般不用
+        /// </summary>
+        /// <returns></returns>
+        public IHostBuilder CreateHostBuilder()
+        {
+            return Host.CreateDefaultBuilder() ;
+        }
+
+        /// <summary>
+        /// 配置主机：可选
+        /// </summary>
+        /// <param name="hostBuilder"></param>
+        public void ConfigureHost(IHostBuilder hostBuilder)
+        {
+            //hostBuilder.ConfigureWebHost(webHostBuilder =>
+            //{
+            //    webHostBuilder
+            //    .UseTestServer()
+            //    .ConfigureTestServices(a => { });
+            //    //webHostBuilder.UseTestServer(options => options.PreserveExecutionContext = true);
+
+            //    //配置默认配置项
+            //    //webHostBuilder.ConfigureAppConfiguration((context, configBuilder) =>
+            //    //{
+            //    //    configBuilder.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true);
+            //    //    configBuilder.AddJsonFile($"appsettings.{context.HostingEnvironment.EnvironmentName}.json", optional: true, reloadOnChange: true);
+            //    //});
+
+            //    //webHostBuilder.ConfigureServices(services => 
+            //    //{
+            //    //    services.AddHealthChecks(); 
+            //    //});
+            //});
+        }
+
+        /// <summary>
+        /// 注册服务：必须
+        /// </summary>
+        /// <param name="services"></param>
+        public void ConfigureServices(IServiceCollection services)
+        {
+            //services.AddTransient<IDependency, DependencyClass>();
+        }
+    }
+}

HttpClientStudy.WebApp/Program.cs

@@ -176,6 +176,10 @@ namespace HttpClientStudy.WebApp
             var app = builder.Build();
             
             #region ÅäÖÃHttp¹ÜµÀ
+
+            //耗时统计中间件
+            app.UseMiddleware<UsedTimeMiddleware>();
+
             app.MapHealthChecks("api/health");
 
             app.UseSwagger();

HttpClientStudy.WebApp/UsedTimeMiddleware.cs

@@ -0,0 +1,50 @@
+namespace HttpClientStudy.WebApp
+{
+    /// <summary>
+    /// 接口耗时 中间件
+    /// </summary>
+    public class UsedTimeMiddleware
+    {
+        private const string RESPONSE_HEADER_RESPONSE_TIME = "X-WebApi-UseTime";
+        private readonly RequestDelegate _next;
+
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        /// <param name="next">下一中间件</param>
+        public UsedTimeMiddleware(RequestDelegate next)
+        {
+            _next = next;
+        }
+
+        /// <summary>
+        /// 中间件执行方法
+        /// </summary>
+        /// <param name="context">Http请求上下文</param>
+        /// <returns></returns>
+        public Task InvokeAsync(HttpContext context)
+        {
+            var watch = new System.Diagnostics.Stopwatch();
+            watch.Start();
+
+            //此时还没结束响应：计进结束偏早,不是太准确
+            //可以加个500毫秒平衡一下
+            context.Response.OnStarting(() =>
+            {
+                watch.Stop();
+                var responseTimeForCompleteRequest = watch.ElapsedMilliseconds;
+                context.Response.Headers[RESPONSE_HEADER_RESPONSE_TIME] = responseTimeForCompleteRequest.ToString();
+                return Task.CompletedTask;
+            });
+
+            // 响应完成时触发：计时更准确，但此时(绝大部分情况下)已经不能再修改响应头了。只能用在其它方面：如日志记录、统计等。
+            context.Response.OnCompleted(() => 
+            {
+                //context.Response.Headers[RESPONSE_HEADER_RESPONSE_TIME] = "xxxxxx";
+                return Task.CompletedTask;
+            });
+
+            return this._next(context);
+        }
+    }
+}