{"id":6510,"date":"2024-03-20T10:01:01","date_gmt":"2024-03-20T02:01:01","guid":{"rendered":""},"modified":"2024-03-20T10:01:01","modified_gmt":"2024-03-20T02:01:01","slug":"\u4f7f\u7528C# \u53d1\u9001\u4e0d\u540c\u4fe1\u606f\u683c\u5f0f\u7684http\u8bf7\u6c42","status":"publish","type":"post","link":"https:\/\/mushiming.com\/6510.html","title":{"rendered":"\u4f7f\u7528C# \u53d1\u9001\u4e0d\u540c\u4fe1\u606f\u683c\u5f0f\u7684http\u8bf7\u6c42"},"content":{"rendered":"<p>1.\u6700\u5e38\u89c1\u7684post json<\/p>\n<pre class=\"has\"><code class=\"language-cs\">&nbsp;var jsonObject = JsonConvert.SerializeObject(model);\n...\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var str = new StringContent(jsonObject, Encoding.UTF8, \"application\/json\");\n...<\/code><\/pre>\n<p> 2.&nbsp;url encoded content\u683c\u5f0f<\/p>\n<pre class=\"has\"><code class=\"language-cs\">...\n&nbsp;var formContent = new FormUrlEncodedContent(new[]\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new KeyValuePair&lt;string, string&gt;(\"k1\", \"v1\"),\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; new KeyValuePair&lt;string, string&gt;(\"k2\", \"v2\")\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; });\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var request = new HttpRequestMessage\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Content = formContent,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Method = HttpMethod.Post,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; RequestUri = new Uri(url)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; };\n&nbsp;var ret = httpClient.SendAsync(request).Result;<\/code><\/pre>\n<p>\u4e5f\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8f85\u52a9\u51fd\u6570\u6765\u5b8c\u6210<\/p>\n<pre class=\"has\"><code class=\"language-cs\">private static TRes ApiCallAsFormData&lt;TRes&gt;(string url, IEnumerable&lt;KeyValuePair&lt;string, string&gt;&gt; data)\n&nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; try\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; using (var httpClient = new HttpClient())\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var formContent = new FormUrlEncodedContent(data);\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var ret = httpClient.PostAsync(url, formContent).Result;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var jsonRet = ret.Content.ReadAsStringAsync().Result;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return JsonConvert.DeserializeObject&lt;TRes&gt;(jsonRet);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; catch (Exception ex)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; _log.Error(ex);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return default(TRes);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; }\n...<\/code><\/pre>\n<p>3. \u53d1\u9001\u5176\u4ed6 http \u8bf7\u6c42\u7c7b\u578b (PUT,DELETE,PATCH)<\/p>\n<pre class=\"has\"><code class=\"language-cs\">...\n&nbsp;var request = new HttpRequestMessage\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Method = HttpMethod.Delete,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; RequestUri = new Uri($\"url\")\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; };\nvar ret = httpClient.SendAsync(request).Result;\n...<\/code><\/pre>\n<p>3.post\u6587\u4ef6\uff0cmultiplart\u7c7b\u578b<br \/> \u53ef\u4f7f\u7528\u4ee5\u4e0bhelper\u7c7b\u5b8c\u6210(\u53ef\u4f20\u9012oauth token\u6216cookie\uff09<\/p>\n<pre class=\"has\"><code class=\"language-cs\">public class FormUploadHelper\n&nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; private static readonly Encoding encoding = Encoding.UTF8;\n\n\n&nbsp; &nbsp; &nbsp; &nbsp; public static HttpWebResponse MultipartFormDataPost(string postUrl,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string userAgent,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Dictionary&lt;string, object&gt; postParameters, string token, IList&lt;Cookie&gt; cookies = null)\n&nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string formDataBoundary = String.Format(\"----------{0:N}\", Guid.NewGuid());\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string contentType = \"multipart\/form-data; boundary=\" + formDataBoundary;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; byte[] formData = GetMultipartFormData(postParameters, formDataBoundary);\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return PostForm(postUrl, userAgent, contentType, formData, token, cookies);\n&nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; private static HttpWebResponse PostForm(string postUrl, string userAgent, string contentType,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; byte[] formData, string token, IList&lt;Cookie&gt; cookies)\n&nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; HttpWebRequest request = WebRequest.Create(postUrl) as HttpWebRequest;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (request == null)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; throw new NullReferenceException(\"request is not a http request\");\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Set up the request properties.\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.Method = \"POST\";\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.ContentType = contentType;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (!string.IsNullOrEmpty(token))\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.Headers.Add(\"accessToken\", token);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (cookies != null &amp;&amp; cookies.Count &gt; 0)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (request.CookieContainer == null)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.CookieContainer = new CookieContainer();\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; foreach (var cookie in cookies)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.CookieContainer.Add(cookie);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.CookieContainer = new CookieContainer();\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.UserAgent = userAgent;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;&nbsp;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; request.ContentLength = formData.Length;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ You could add authentication here as well if needed:\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ request.PreAuthenticate = true;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ request.AuthenticationLevel = System.Net.Security.AuthenticationLevel.MutualAuthRequested;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ request.Headers.Add(\"Authorization\", \"Basic \" + Convert.ToBase64String(System.Text.Encoding.Default.GetBytes(\"username\" + \":\" + \"password\")));\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Send the form data to the request.\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; using (Stream requestStream = request.GetRequestStream())\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; requestStream.Write(formData, 0, formData.Length);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; requestStream.Close();\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return request.GetResponse() as HttpWebResponse;\n&nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; private static byte[] GetMultipartFormData(Dictionary&lt;string, object&gt; postParameters, string boundary)\n&nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; Stream formDataStream = new System.IO.MemoryStream();\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; bool needsCLRF = false;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (postParameters != null)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; foreach (var param in postParameters)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Thanks to feedback from commenters, add a CRLF to allow multiple parameters to be added.\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Skip it on the first parameter, add it to subsequent parameters.\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (needsCLRF)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Write(encoding.GetBytes(\"\\r\\n\"), 0, encoding.GetByteCount(\"\\r\\n\"));\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; needsCLRF = true;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; if (param.Value is FileParameter)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; FileParameter fileToUpload = (FileParameter)param.Value;\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Add just the first part of this param, since we will write the file data directly to the Stream\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string header = string.Format(\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \"--{0}\\r\\nContent-Disposition: form-data; name=\\\"{1}\\\"; filename=\\\"{2}\\\"\\r\\nContent-Type: {3}\\r\\n\\r\\n\",\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; boundary,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; param.Key,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fileToUpload.FileName ?? param.Key,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; fileToUpload.ContentType ?? \"application\/octet-stream\");\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Write(encoding.GetBytes(header), 0, encoding.GetByteCount(header));\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Write the file data directly to the Stream, rather than serializing it to a string.\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Write(fileToUpload.File, 0, fileToUpload.File.Length);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; else\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string postData = string.Format(\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \"--{0}\\r\\nContent-Disposition: form-data; name=\\\"{1}\\\"\\r\\n\\r\\n{2}\",\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; boundary,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; param.Key,\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; param.Value);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Write(encoding.GetBytes(postData), 0, encoding.GetByteCount(postData));\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Add the end of the request. &nbsp;Start with a newline\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; string footer = \"\\r\\n--\" + boundary + \"--\\r\\n\";\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Write(encoding.GetBytes(footer), 0, encoding.GetByteCount(footer));\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; \/\/ Dump the Stream into a byte[]\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Position = 0;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; byte[] formData = new byte[formDataStream.Length];\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Read(formData, 0, formData.Length);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; formDataStream.Close();\n\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; return formData;\n&nbsp; &nbsp; &nbsp; &nbsp; }\n&nbsp; &nbsp; }<\/code><\/pre>\n<p>4.\u8bf7\u6c42\u4e2d\u643a\u5e26cookie<br \/> \u83b7\u53d6cookie<\/p>\n<pre class=\"has\"><code class=\"language-cs\">&nbsp;using (var handler = new HttpClientHandler())\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; using (var httpClient = new HttpClient(handler))\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n...\n&nbsp;CookieContainer cookies = new CookieContainer();\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; handler.CookieContainer = cookies;\n...\n&nbsp;HttpResponseMessage authenticationResponse = httpClient.PostAsync(uri, str).Result;\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; var sessionCookie = cookies.GetCookies(uri).Cast&lt;Cookie&gt;().ToList();\n...\n}\n}<\/code><\/pre>\n<p>\u53d1\u9001cookie<br \/> &nbsp;<\/p>\n<pre class=\"has\"><code class=\"language-cs\">using (var handler = new HttpClientHandler())\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; using (var httpClient = new HttpClient(handler))\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n...\n...\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; foreach (var cookie in __sessionCookie)\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; {\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; handler.CookieContainer.Add(cookie);\n&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; }\n...<\/code><\/pre>\n<p> 5. http \u957f\u8fde\u63a5\u5f02\u6b65\u9010\u884c\u89e3\u6790<\/p>\n<pre class=\"has\"><code class=\"language-cs\">using (HttpWebResponse webResponse = req.GetResponse(uri))\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;using (Stream responseStream = webResponse.GetResponseStream())\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;{\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;if (responseStream != null)\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;{\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;using (StreamReader streamReader = new StreamReader(responseStream))\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;{\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;while (!streamReader.EndOfStream)\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;{\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;response = await streamReader.ReadLineAsync();\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;...\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}\n&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;}\n&nbsp;&nbsp; &nbsp;<\/code><\/pre>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528C# \u53d1\u9001\u4e0d\u540c\u4fe1\u606f\u683c\u5f0f\u7684http\u8bf7\u6c421.\u6700\u5e38\u89c1\u7684postjsonvarjsonObject=JsonConvert.SerializeObject(model);...varstr=newStri...","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"_links":{"self":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/6510"}],"collection":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/comments?post=6510"}],"version-history":[{"count":0,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/posts\/6510\/revisions"}],"wp:attachment":[{"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/media?parent=6510"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/categories?post=6510"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mushiming.com\/wp-json\/wp\/v2\/tags?post=6510"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}