更新

Docs/1.2.使用准则.ipynb

@@ -215,14 +215,14 @@
     "    await Task.Delay(TimeSpan.FromSeconds(2));\n",
     "}\n",
     "\n",
-    "Console.WriteLine(\"请在程序退出后，执行下面命令行查看网络情况\");\n"
+    "Console.WriteLine(\"程序运行大约要10-20秒，请在程序退出后，执行下面命令行查看网络情况\");\n"
    ]
   },
   {
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "使用我们刚刚讨论的设置，此代码依次向同一端点发出5个请求。在每个请求之间，它会暂停两秒钟。该代码还输出从DNS检索到的Google服务器的IPv4地址。我们可以使用此IP地址来查看通过PowerShell中发出的netstat命令对其打开的连接："
+    "使用自定义设置，依次向同一端点发出5个请求。在每个请求之间，暂停两秒钟。输出从DNS检索到的网站服务器的IPv4地址。我们可以使用此IP地址来查看通过PowerShell中发出的netstat命令对其打开的连接："
    ]
   },
   {
@@ -248,6 +248,107 @@
     "netstat -ano | findstr $queryIp"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "在这种情况下，到远程端点的连接只有1个。在每个请求之后，该连接将返回到池中，因此在发出下一个请求时可以重新使用。\n",
+    "如果更改连接的生存期，以使它们在1秒后过期，测试这对行为的影响："
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "dotnet_interactive": {
+     "language": "csharp"
+    },
+    "polyglot_notebook": {
+     "kernelName": "csharp"
+    },
+    "vscode": {
+     "languageId": "polyglot-notebook"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "using System.IO;\n",
+    "using System.Diagnostics;\n",
+    "using System.Net;\n",
+    "using System.Net.Http;\n",
+    "\n",
+    "var ips = await Dns.GetHostAddressesAsync(\"soft.pwidc.cn\");\n",
+    "string firstIp = ips.FirstOrDefault().ToString();\n",
+    "\t\n",
+    "foreach (var ipAddress in ips)\n",
+    "{\n",
+    "    Console.WriteLine(ipAddress.MapToIPv4().ToString());\n",
+    "}\n",
+    "\n",
+    "//自定义行为\n",
+    "var socketsHandler2 = new SocketsHttpHandler\n",
+    "{\n",
+    "    PooledConnectionLifetime = TimeSpan.FromSeconds(1),\n",
+    "    PooledConnectionIdleTimeout = TimeSpan.FromSeconds(1),\n",
+    "    MaxConnectionsPerServer = 1\n",
+    "};\n",
+    "\n",
+    "var client2 = new HttpClient(socketsHandler2);\n",
+    "\n",
+    "for (var i = 0; i < 3; i++)\n",
+    "{\n",
+    "    if(i>0)\n",
+    "    {\n",
+    "        await Task.Delay(TimeSpan.FromSeconds(2));\n",
+    "    }\n",
+    "    _ = await client2.GetAsync(\"http://soft.pwidc.cn\");\n",
+    "}\n",
+    "\n",
+    "Console.WriteLine(\"程序运行大约要10-20，请在程序退出后，执行下面命令行查看网络情况\");\n",
+    "\n",
+    "//调用命令行，显示查看网络情况\n",
+    "string command = $\"netstat -ano | findstr {firstIp}\";\n",
+    " \n",
+    "// 创建一个新的ProcessStartInfo对象\n",
+    "ProcessStartInfo startInfo = new ProcessStartInfo(\"cmd\", $\"/c {command}\")\n",
+    "{\n",
+    "    RedirectStandardOutput = true, // 重定向标准输出\n",
+    "    UseShellExecute = false, // 不使用系统外壳程序启动\n",
+    "    CreateNoWindow = true // 不创建新窗口\n",
+    "};\n",
+    " \n",
+    "// 启动进程\n",
+    "using (Process process = Process.Start(startInfo))\n",
+    "{\n",
+    "    // 读取cmd的输出\n",
+    "    using (StreamReader reader = process.StandardOutput)\n",
+    "    {\n",
+    "        string stdoutLine = reader.ReadToEnd();\n",
+    "        Console.WriteLine(stdoutLine);\n",
+    "    }\n",
+    "}"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "dotnet_interactive": {
+     "language": "pwsh"
+    },
+    "polyglot_notebook": {
+     "kernelName": "pwsh"
+    },
+    "vscode": {
+     "languageId": "polyglot-notebook"
+    }
+   },
+   "outputs": [],
+   "source": [
+    "#!set --value @csharp:firstIp --name queryIp\n",
+    "netstat -ano | findstr $queryIp"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},

Docs/1.5.总结.ipynb

@@ -35,6 +35,12 @@
    "cell_type": "code",
    "execution_count": null,
    "metadata": {
+    "dotnet_interactive": {
+     "language": "csharp"
+    },
+    "polyglot_notebook": {
+     "kernelName": "csharp"
+    },
     "vscode": {
      "languageId": "polyglot-notebook"
     }

HttpClientStudy.Core/Utilities/StartupUtility.cs

@@ -4,7 +4,7 @@ using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
 
-namespace HttpClientStudy.Core.Utils
+namespace HttpClientStudy.Core.Utilities
 {
     /// <summary>
     /// 启动工具类

HttpClientStudy.UnitTest/startup.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics;
 
-using HttpClientStudy.Core.Utils;
+using HttpClientStudy.Core.Utilities;
 
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;

HttpClientStudy.WebClient/Program.cs

@@ -1,6 +1,6 @@
 using System.Diagnostics;
 
-using HttpClientStudy.Core.Utils;
+using HttpClientStudy.Core.Utilities;
 
 //启动WebApi程序
 StartupUtility.StartWebApiProject();