對第三方接口的調用我們需要對GET和POST進行監控，看一些請求的執行是否成功，如A調用B，B調用C，C調用D，這一連串的東西需要我們使用cat進行記錄，進行記錄之后，我們可以很容易的發現請求響應的時間及是否出錯，下面是我對這兩種請求的封裝。

/// <summary>/// cat中使用的HttpClient/// </summary>public class CatHttpClient{/// <summary>/// 返回當前Cat上下文/// </summary>/// <returns></returns>static CatContext GetCurrentContext(string message){string currentUrl = System.Web.HttpContext.Current.Request.Url.AbsoluteUri;var context = PureCat.CatClient.GetCatContextFromServer();if (context == null){context = PureCat.CatClient.DoTransaction("xuexiba", currentUrl, () =>{PureCat.CatClient.LogEvent("xuexiba", message, "0", currentUrl);});}else{context = PureCat.CatClient.DoTransaction("xuexiba", currentUrl, () =>{PureCat.CatClient.LogRemoteCallServer(context);PureCat.CatClient.LogEvent("xuexiba", message, "0", currentUrl);});}return context;}/// <summary>/// Post數據/// </summary>/// <param name="requestUri"></param>/// <param name="content"></param>/// <returns></returns>public static HttpResponseMessage Post(string requestUri, HttpContent content){var handler = new HttpClientHandler() { };using (var http = new HttpClient(handler)){PureCat.CatClient.SetCatContextToServer(http, GetCurrentContext("Post Request Sent..."));var response = http.PostAsync(requestUri, content).Result;return response;}}/// <summary>/// Get數據/// </summary>/// <param name="requestUri"></param>/// <returns></returns>public static HttpResponseMessage Get(string requestUri){var handler = new HttpClientHandler() { };using (var http = new HttpClient(handler)){PureCat.CatClient.SetCatContextToServer(http, GetCurrentContext("Get Request Sent..."));//設置接口api的頭，發送var response = http.GetAsync(requestUri).Result;return response;}}}

在程序中使用非常方便，如下代碼，一看便知

[AllowAnonymous]public void Step1(){Lind.DDD.CatClientPur.CatHttpClient.Get("Http://localhost:4829/AdminCommon/Step2");}[AllowAnonymous]public void Step2(){Lind.DDD.CatClientPur.CatHttpClient.Get("Http://localhost:4829/AdminCommon/Step3");}[AllowAnonymous]public void Step3(){Lind.DDD.CatClientPur.CatHttpClient.Get("Http://localhost:4829/AdminCommon/Step4");}[AllowAnonymous]public void Step4(){Lind.DDD.CatClientPur.CatHttpClient.Get("Http://localhost:4829/AdminCommon/Error");}

而它產生的消息樹也是我們希望看到的，即從step1到step4的記錄，如圖

下一講我們將讀一下，如何對一個請求從開始到結束進行cat的監控，敬請期待！

轉載于:https://www.cnblogs.com/lori/p/5316343.html

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