[Fork] HttpClient Test | C# Online Compiler

[Fork] HttpClient Test by kelvin.mcdaniel

using System;
using System.Net.Http;				
public class Program
{
	public static void Main()
	{
		var httpclient = HttpClientServiceB.Instance;
    	var result = httpclient.GetAsync("").GetAwaiter().GetResult();
    	var retb = result.Content.ReadAsStringAsync().GetAwaiter().GetResult();
		Console.WriteLine(retb);
		
		HttpClientServiceA shttpclient = new HttpClientServiceA();
		var resulta = shttpclient.HttpclientInstance.GetAsync("").GetAwaiter().GetResult();
		var reta = resulta.Content.ReadAsStringAsync().GetAwaiter().GetResult();
		Console.WriteLine(reta);
	}
}
//static
public class HttpClientServiceA
{
    private static readonly HttpClient _httpClient;
    static HttpClientServiceA()
    {
        _httpClient = new HttpClient();
        _httpClient.BaseAddress = new Uri("http://blog.yowko.com/");
        _httpClient.DefaultRequestHeaders.ConnectionClose = true;
    }
    public HttpClient HttpclientInstance = _httpClient;
}
//singleton
public sealed class HttpClientServiceB
{
    private static readonly Lazy<HttpClient> lazy = new Lazy<HttpClient>(
        () =>
        {
            var baseUri = new Uri("http://blog.yowko.com");
            var result = new HttpClient();
            result.BaseAddress = baseUri;
            //設定 1 分鐘沒有活動即關閉連線，預設 -1 (永不關閉)
            //ServicePointManager.FindServicePoint(baseUri).ConnectionLeaseTimeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds;
            //設定 1 分鐘更新 DNS，預設 120000 (2 分鐘)
            //ServicePointManager.DnsRefreshTimeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds;
            return result;
        });
    public static HttpClient Instance { get { return lazy.Value; } }
    private HttpClientServiceB() { }
}

 
using System;
using System.Net.Http;              
public class Program
{
    public static void Main()
    {
        var httpclient = HttpClientServiceB.Instance;
        var result = httpclient.GetAsync("").GetAwaiter().GetResult();
        var retb = result.Content.ReadAsStringAsync().GetAwaiter().GetResult();
        Console.WriteLine(retb);
        
        HttpClientServiceA shttpclient = new HttpClientServiceA();
        var resulta = shttpclient.HttpclientInstance.GetAsync("").GetAwaiter().GetResult();
        var reta = resulta.Content.ReadAsStringAsync().GetAwaiter().GetResult();
        Console.WriteLine(reta);
    }
}
//static
public class HttpClientServiceA
{
    private static readonly HttpClient _httpClient;
    static HttpClientServiceA()
    {
        _httpClient = new HttpClient();
        _httpClient.BaseAddress = new Uri("http://blog.yowko.com/");
        _httpClient.DefaultRequestHeaders.ConnectionClose = true;
    }
    public HttpClient HttpclientInstance = _httpClient;
}
//singleton
public sealed class HttpClientServiceB
{
    private static readonly Lazy<HttpClient> lazy = new Lazy<HttpClient>(
        () =>
        {
            var baseUri = new Uri("http://blog.yowko.com");
            var result = new HttpClient();
            result.BaseAddress = baseUri;
            //設定 1 分鐘沒有活動即關閉連線，預設 -1 (永不關閉)
            //ServicePointManager.FindServicePoint(baseUri).ConnectionLeaseTimeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds;
            //設定 1 分鐘更新 DNS，預設 120000 (2 分鐘)
            //ServicePointManager.DnsRefreshTimeout = (int)TimeSpan.FromMinutes(1).TotalMilliseconds;
            return result;
        });
    public static HttpClient Instance { get { return lazy.Value; } }
    private HttpClientServiceB() { }
}

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<span class=heart><i class="iconfont icon-heart"></i></span><span class=author>Yowko Tsai</span></span></div></footer><div class=back-to-top id=back-to-top><i class="iconfont icon-up"></i></div></div><script data-cfasync="false" src="/cdn-cgi/scripts/5c5dd728/cloudflare-static/email-decode.min.js"></script><script src="https://blog.yowko.com/lib/highlight/highlight.pack.js?v=20171001"></script><script type=text/javascript src=https://blog.yowko.com/lib/jquery/jquery-3.2.1.min.js></script><script type=text/javascript src=https://blog.yowko.com/lib/slideout/slideout-1.0.1.min.js></script><script type=text/javascript src=https://blog.yowko.com/lib/fancybox/jquery.fancybox-3.1.20.min.js></script><script type=text/javascript src=https://blog.yowko.com/lib/instantclick/instantclick-3.0.1.min.js data-no-instant></script><script type=text/javascript src="https://blog.yowko.com/dist/even.min.js?v=3.2.0"></script><script type=application/javascript>var doNotTrack=false;if(!doNotTrack){window.ga=window.ga||function(){(ga.q=ga.q||[]).push(arguments)};ga.l=+new Date;ga('create','G-7PF6W2W48Y','auto');ga('send','pageview');}</script><script async src=https://www.google-analytics.com/analytics.js></script></body></html>
<!doctype html><html lang=zh-tw><head><meta charset=utf-8><meta http-equiv=x-ua-compatible content="IE=edge,chrome=1"><title>Yowko's Notes</title><meta name=google-site-verification content=DvajWUA2XrtSgjsnGxXQKihwijBDiTFw9g7cxFY-Ivk><meta name=renderer content=webkit><meta name=viewport content="width=device-width,initial-scale=1,maximum-scale=1"><meta http-equiv=cache-control content=no-transform><meta http-equiv=cache-control content=no-siteapp><meta name=theme-color content=#f8f5ec><meta name=msapplication-navbutton-color content=#f8f5ec><meta name=apple-mobile-web-app-capable content=yes><meta name=apple-mobile-web-app-status-bar-style content=#f8f5ec><meta name=author content="Yowko Tsai"><meta name=description content="半路出家的 web 工程師喜歡嘗試不同新技術,更喜歡寫程式帶來的成就感學藝不精，請大家多指教"><meta name=keywords content=yowko,.net,blog><meta name=generator content="Hugo 0.56.3"><meta name=msvalidate.01 content=FA1ADBDB8F0BBBD0F7F4E65CDEBF7898><link rel=canonical href=https://blog.yowko.com/><link href=https://blog.yowko.com/index.xml rel=alternate type=application/rss+xml title="Yowko's Notes"><link href=https://blog.yowko.com/index.xml rel=feed type=application/rss+xml title="Yowko's Notes"><link rel=apple-touch-icon sizes=180x180 href=https://blog.yowko.com/apple-touch-icon.png><link rel=icon type=image/png sizes=32x32 href=https://blog.yowko.com/favicon-32x32.png><link rel=icon type=image/png sizes=16x16 href=https://blog.yowko.com/favicon-16x16.png><link rel=manifest href=https://blog.yowko.com/manifest.json><link rel=mask-icon href=https://blog.yowko.com/safari-pinned-tab.svg color=#5bbad5><link href="https://blog.yowko.com/dist/even.min.css?v=3.2.0" rel=stylesheet><link href=https://blog.yowko.com/lib/fancybox/jquery.fancybox-3.1.20.min.css rel=stylesheet><link rel=stylesheet href=https://use.fontawesome.com/releases/v5.2.0/css/all.css integrity=sha384-hWVjflwFxL6sNzntih27bfxkr27PmbbK/iSvJ+a4+0owXq79v+lsFkW54bOGbiDQ crossorigin=anonymous><meta property=og:title content="Yowko's Notes"><meta property=og:description content="半路出家的 web 工程師喜歡嘗試不同新技術,更喜歡寫程式帶來的成就感學藝不精，請大家多指教"><meta property=og:type content=website><meta property=og:url content=https://blog.yowko.com/><meta property=og:updated_time content=2025-02-17T00:30:00+08:00><meta itemprop=name content="Yowko's Notes"><meta itemprop=description content="半路出家的 web 工程師喜歡嘗試不同新技術,更喜歡寫程式帶來的成就感學藝不精，請大家多指教"><meta name=twitter:card content=summary><meta name=twitter:title content="Yowko's Notes"><meta name=twitter:description content="半路出家的 web 工程師喜歡嘗試不同新技術,更喜歡寫程式帶來的成就感學藝不精，請大家多指教"><link href=https://blog.yowko.com/opensearch.xml rel=search title="Content search" type=application/opensearchdescription+xml></head><body><div id=mobile-navbar class=mobile-navbar><div class=mobile-header-logo><a href=https://blog.yowko.com/ class=logo>Yowko's Notes</a></div><div class=mobile-navbar-icon><span></span><span></span><span></span></div></div><nav id=mobile-menu class="mobile-menu slideout-menu"><ul class=mobile-menu-list><a href=https://blog.yowko.com/><li class=mobile-menu-item>首頁</li></a><a href=https://blog.yowko.com/post/><li class=mobile-menu-item>歷史筆記</li></a><a href=https://blog.yowko.com/tags/><li class=mobile-menu-item>內容標籤</li></a><a href=https://blog.yowko.com/search><li class=mobile-menu-item>站內搜尋</li></a></ul></nav><div class=container id=mobile-panel><header id=header class=header style=height:118px;padding-bottom:0><div class=logo-wrapper><a href=https://blog.yowko.com/ class=logo>Yowko's Notes</a></div><div style=padding-bottom:60px></div></nav><nav class=site-navbar><ul id=menu class=menu><li class=menu-item><a class=menu-item-link href=https://blog.yowko.com/>首頁</a></li><li class=menu-item><a class=menu-item-link href=https://blog.yowko.com/post/>歷史筆記</a></li><li class=menu-item><a class=menu-item-link href=https://blog.yowko.com/tags/>內容標籤</a></li><li class=menu-item><a class=menu-item-link href=https://blog.yowko.com/search>站內搜尋</a></li></ul></nav></header><main id=main class=main><div class=content-wrapper><hr style="border-top:1px solid #e6e6e6;border-bottom:0;padding:0"><div id=content class=content><section id=posts class=posts><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/docke-compose-mongodb-replica-set/>使用 docker compose 建立 MongoDB replica set</a></h1><div class=post-meta><span class=post-time>2025-02-17</span>
<span class=more-meta>約 715 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 docker compose 建立 MongoDB replica set 之前團隊對於 MongoDB 大多還是定位在 document database 上，交易類型的操作還是仰賴傳統 relation database，近期團隊有意減少團隊的 database 種類，嘗試開始逐</div><div class=read-more><a href=https://blog.yowko.com/docke-compose-mongodb-replica-set/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/aspnetcore-minimal-api-text-json/>ASP.NET minimal API 解析 text/json</a></h1><div class=post-meta><span class=post-time>2025-01-24</span>
<span class=more-meta>約 579 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>ASP.NET minimal API 解析 text/json 這個需求一樣來自之前筆記 ASP.NET minimal API 將多個 route pattern 套用相同處理邏輯中所提到的舊系統，不過這次不是打錯字XD 舊系統使用 web api controller 來接收 post 傳遞的 m</div><div class=read-more><a href=https://blog.yowko.com/aspnetcore-minimal-api-text-json/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/aspnetcore-minimal-api-multiple-route-patterns/>ASP.NET minimal API 將多個 route pattern 套用相同處理邏輯</a></h1><div class=post-meta><span class=post-time>2025-01-23</span>
<span class=more-meta>約 538 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>ASP.NET minimal API 將多個 route pattern 套用相同處理邏輯這個需求來自一個內部共用服務的 API 上，之前同事在建立處理邏輯時，不慎將 controller name 打錯，預計使用 Text 但打成 Test，導致</div><div class=read-more><a href=https://blog.yowko.com/aspnetcore-minimal-api-multiple-route-patterns/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/rabbitmq-shovel-exchange/>使用 Shovel Exchange 讓 RabbitMQ 跨 vhost 進行訊息傳遞</a></h1><div class=post-meta><span class=post-time>2024-12-24</span>
<span class=more-meta>約 618 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 Shovel Exchange 讓 RabbitMQ 跨 vhost 進行訊息傳遞這是之前筆記使用 Federated Exchange 讓 RabbitMQ 跨 vhost 進行訊息傳遞的延伸，雖然上次已經排除 RabbitMQ 過新的問題，但沒想到在實際使用 Federated Exchange 時，卻遇到 .NET</div><div class=read-more><a href=https://blog.yowko.com/rabbitmq-shovel-exchange/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/nuget-central-package-management/>NuGet Central Package Management 集中套件管理，簡化套件相依管理</a></h1><div class=post-meta><span class=post-time>2024-12-23</span>
<span class=more-meta>約 1384 字</span>
<span class=more-meta>預計閱讀 3 分鐘</span></div></header><div class=post-content><div class=post-summary>NuGet Central Package Management 集中套件管理，簡化套件相依管理隨著專案日漸擴大，package 相依性也越來越複雜，尤其是在多個專案中使用相同的 package，當 package 更</div><div class=read-more><a href=https://blog.yowko.com/nuget-central-package-management/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/rabbitmq-federated-exchange/>使用 Federated Exchange 讓 RabbitMQ 跨 vhost 進行訊息傳遞</a></h1><div class=post-meta><span class=post-time>2024-12-10</span>
<span class=more-meta>約 1029 字</span>
<span class=more-meta>預計閱讀 3 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 Federated Exchange 讓 RabbitMQ 跨 vhost 進行訊息傳遞想讓多個 consumer 可以收到同一個 RabbitMQ 訊息，你會怎麼做呢？我第一念頭是使用 Kafka 哈哈，如果限制只能用 RabbitMQ，我覺得 RabbitMQ Streams</div><div class=read-more><a href=https://blog.yowko.com/rabbitmq-federated-exchange/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/debug-source-generators-incremental-generators/>使用 JetBrains Rider 來 Debug Source Generators 或 Incremental Generators</a></h1><div class=post-meta><span class=post-time>2024-12-06</span>
<span class=more-meta>約 559 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 JetBrains Rider 來 Debug Source Generators 或 Incremental Generators 之前筆記使用 Source Generators 來為 method 加上時間測量與使用 Incremental Generators 來為 method 加上時間測量紀錄到如何使用 Source Generators 與 Incremental Generators 來為 method 加上 stopwatch 測量 method 的執行時間，但</div><div class=read-more><a href=https://blog.yowko.com/debug-source-generators-incremental-generators/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/incremental-generators-stopwatch/>使用 Incremental Generators 來為 method 加上時間測量</a></h1><div class=post-meta><span class=post-time>2024-12-05</span>
<span class=more-meta>約 2206 字</span>
<span class=more-meta>預計閱讀 5 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 Incremental Generators 來為 method 加上時間測量之前筆記 Stopwatch 的正確用法紀錄了使用在 .NET 7 所發表 Stopwatch 的新 api 來測量程式執行時間以避免 memory allocate，接著就想起 Metho</div><div class=read-more><a href=https://blog.yowko.com/incremental-generators-stopwatch/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/source-generators-stopwatch/>使用 Source Generators 來為 method 加上時間測量</a></h1><div class=post-meta><span class=post-time>2024-12-03</span>
<span class=more-meta>約 2576 字</span>
<span class=more-meta>預計閱讀 6 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 Source Generators 來為 method 加上時間測量之前筆記 Stopwatch 的正確用法紀錄了使用在 .NET 7 所發表 Stopwatch 的新 api 來測量程式執行時間以避免 memory allocate，接著就想起 Metho</div><div class=read-more><a href=https://blog.yowko.com/source-generators-stopwatch/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/measure-method-performance-with-methodtimer-fody/>使用 MethodTimer.Fody 來為 method 加上時間測量</a></h1><div class=post-meta><span class=post-time>2024-11-27</span>
<span class=more-meta>約 583 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>使用 MethodTimer.Fody 來為 method 加上時間測量之前筆記 Stopwatch 的正確用法紀錄到如何使用 Stopwatch 的新 API，讓我想起過去常使用的 GitHub:MethodTimer.Fody 也是透過 Stopwatch.StartNew() 方式來計算時間，回頭確認是否有更新時</div><div class=read-more><a href=https://blog.yowko.com/measure-method-performance-with-methodtimer-fody/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/stopwatch-best-practice/>Stopwatch 的正確用法</a></h1><div class=post-meta><span class=post-time>2024-11-22</span>
<span class=more-meta>約 607 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>Stopwatch 的正確用法前幾天從 Cash 大的粉專上看到 Cash Wu Geek 分享了 youtuber-Nick Chapsas 對於 Stopwatch 的正確用法：Youtube:How to Measure Time Correctly in .NET，覺得值得仔細了解一下，快速筆</div><div class=read-more><a href=https://blog.yowko.com/stopwatch-best-practice/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/dotnet9-csharp13-lock/>隨 .NET9 SDK 推出的 C#13 新增 Lock 類別與用法</a></h1><div class=post-meta><span class=post-time>2024-11-07</span>
<span class=more-meta>約 692 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>隨 .NET9 SDK 推出的 C#13 新增 Lock 類別與用法在 C# 中，lock 語法確保程式碼區塊的執行不會被其他 thread 影響。過去 lock 語法就是 System.Threading.Monitor 的語法糖，編譯器產生的程式碼等於使用</div><div class=read-more><a href=https://blog.yowko.com/dotnet9-csharp13-lock/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/download-youtube-private-video/>下載 youtube 私人影片</a></h1><div class=post-meta><span class=post-time>2024-10-21</span>
<span class=more-meta>約 523 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>下載 youtube 私人影片陸陸續續上傳了一些家庭影片在 youtube，並設定成私人影片，原本的想法是透過 youtube 來備份影片，或是需要播放時可以隨時隨地開啟，不</div><div class=read-more><a href=https://blog.yowko.com/download-youtube-private-video/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/nexus-docker-multi-arch-pull-push/>將 Docker Multi-arch image 搬移至另個 registry 以 Nexus Repository 為例</a></h1><div class=post-meta><span class=post-time>2024-10-18</span>
<span class=more-meta>約 567 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>將 Docker Multi-arch image 搬移至另個 registry 以 Nexus Repository 為例這個需求也是因為團隊 Nexus Repository server 的用量太高，造成服務中斷，進而影響到 CI/CD 流程，團隊的開發進度也多少受到影響，所以決定啟</div><div class=read-more><a href=https://blog.yowko.com/nexus-docker-multi-arch-pull-push/ class=read-more-link>繼續閱讀</a></div></div></article><article class=post><header class=post-header><h1 class=post-title><a class=post-link href=https://blog.yowko.com/nexus-docker-pull-push/>將 Docker image 搬移至另個 registry 以 Nexus Repository 為例</a></h1><div class=post-meta><span class=post-time>2024-10-16</span>
<span class=more-meta>約 550 字</span>
<span class=more-meta>預計閱讀 2 分鐘</span></div></header><div class=post-content><div class=post-summary>將 Docker image 搬移至另個 registry 以 Nexus Repository 為例這個需求也是因為團隊 Nexus Repository server 的用量太高，造成服務中斷，進而影響到 CI/CD 流程，團隊的開發進度也多少受到影響，所以決定啟用</div><div class=read-more><a href=https://blog.yowko.com/nexus-docker-pull-push/ class=read-more-link>繼續閱讀</a></div></div></article></section><nav class=pagination><a class=next href=https://blog.yowko.com/page/2/><span class=next-text>下一頁</span>
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