public async static Task <Parameters> Connect_by_json(String url, String jsonStr) { try { HttpClient client = new HttpClient(); HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, new Uri(url)); url = url.Trim(); HttpStringContent content = new HttpStringContent(jsonStr); content.Headers.ContentType = new HttpMediaTypeHeaderValue("application/json"); Cookies.addCookie(ref request); request.Content = content; AddHeader(ref request, url); /*String soy; * if(!request.Headers.TryGetValue("Content-Type",out soy)) * request.Headers.Add("Content-Type", "application/x-www-form-urlencoded");*/ HttpResponseMessage response = await client.SendRequestAsync(request); int return_code = (int)response.StatusCode; int encodingType = -1; Boolean isGbk = false; if (encodingType == -1) { String typeString = ""; response.Headers.TryGetValue("Content-Type", out typeString); if (typeString != null) { typeString = typeString.ToLower(); if (typeString.Contains("gbk") || typeString.Contains("gb2312")) { ; } isGbk = true; } }//gbk有什么区别?以后在考虑吧 else if (encodingType == 1) { isGbk = true; } Cookies.setCookie(response, url); using (Stream responseStream = (await response.Content.ReadAsInputStreamAsync()).AsStreamForRead()) { Parameters parameters = new Parameters(return_code + "", ""); if (return_code == 200) { StreamReader sReader; if (!isGbk) { sReader = new StreamReader(responseStream); } else { EncodingProvider provider = CodePagesEncodingProvider.Instance; Encoding.RegisterProvider(provider); Encoding gb2312 = Encoding.GetEncoding("gb2312"); sReader = new StreamReader(responseStream, gb2312); } String str = ""; String line = sReader.ReadLine(); while (line != null) { str = str + line + "\n"; line = sReader.ReadLine(); } str = str.Trim(); parameters.value = str; } return(parameters); } } catch { return(new Parameters("-1", "")); } }
public async static Task <Parameters> ConnctWithGet(String url) { try { using (HttpClient httpClient = new HttpClient()) { HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, new Uri(url)); Cookies.addCookie(ref request); AddHeader(ref request, url); HttpResponseMessage response = await httpClient.SendRequestAsync(request); int return_code = (int)response.StatusCode; int encodeingType = -1; Boolean isGbk = false; if (encodeingType == -1) { String typeString = ""; response.Headers.TryGetValue("Content-type", out typeString); if (typeString != null) { typeString = typeString.ToLower(); if (typeString.Contains("gbk") || typeString.Contains("gb2312")) { ; } isGbk = true; } }//gbk有什么区别?以后在考虑吧 else if (encodeingType == 1) { isGbk = true; } Cookies.setCookie(response, url); using (Stream responseStream = (await response.Content.ReadAsInputStreamAsync()).AsStreamForRead()) { Parameters parameters = new Parameters(return_code + "", ""); if (return_code == 200) { StreamReader sReader; if (!isGbk) { sReader = new StreamReader(responseStream); } else { EncodingProvider provider = CodePagesEncodingProvider.Instance; Encoding.RegisterProvider(provider); Encoding gb2312 = Encoding.GetEncoding("gb2312"); sReader = new StreamReader(responseStream, gb2312); } String str = ""; String line = sReader.ReadLine(); while (line != null) { str = str + line + "\n"; line = sReader.ReadLine(); } parameters.value = str; } return(parameters); } } } catch (Exception e) { return(new Parameters("-1", "")); } }
/** * 向服务器发送请求,并且接收到返回的数据 * @param url 请求地址 * @param params 请求参数;如果参数为空使用get请求,如果不为空使用post请求 * @return 一个 Parameters;name 存放 HTTP code(无法连接时为-1);如果 code==200 那么 value * 存放的是返回的网页内容 */ public async static Task <Parameters> Connect(String url, List <Parameters> paramList) { if (paramList == null || paramList.Count == 0) { return(await ConnctWithGet(url)); } try { HttpClient client = new HttpClient(); HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, new Uri(url)); url = url.Trim(); List <KeyValuePair <String, String> > t_params = new List <KeyValuePair <string, string> >(); if (paramList != null) { foreach (Parameters paramItem in paramList) { String str = paramItem.value; if (str == null) { continue; } t_params.Add(paramItem.keyValue); } } HttpFormUrlEncodedContent content = new HttpFormUrlEncodedContent(t_params); Cookies.addCookie(ref request); if (t_params.Count != 0) { request.Content = content; } AddHeader(ref request, url); /*String soy; * if(!request.Headers.TryGetValue("Content-Type",out soy)) * request.Headers.Add("Content-Type", "application/x-www-form-urlencoded");*/ HttpResponseMessage response = await client.SendRequestAsync(request); int return_code = (int)response.StatusCode; int encodingType = -1; Boolean isGbk = false; if (encodingType == -1) { String typeString = ""; response.Headers.TryGetValue("Content-Type", out typeString); if (typeString != null) { typeString = typeString.ToLower(); if (typeString.Contains("gbk") || typeString.Contains("gb2312")) { ; } isGbk = true; } }//gbk有什么区别?以后在考虑吧 else if (encodingType == 1) { isGbk = true; } Cookies.setCookie(response, url); using (Stream responseStream = (await response.Content.ReadAsInputStreamAsync()).AsStreamForRead()) { Parameters parameters = new Parameters(return_code + "", ""); if (return_code == 200) { StreamReader sReader; if (!isGbk) { sReader = new StreamReader(responseStream); } else { EncodingProvider provider = CodePagesEncodingProvider.Instance; Encoding.RegisterProvider(provider); Encoding gb2312 = Encoding.GetEncoding("gb2312"); sReader = new StreamReader(responseStream, gb2312); } String str = ""; String line = sReader.ReadLine(); while (line != null) { str = str + line + "\n"; line = sReader.ReadLine(); } str = str.Trim(); parameters.value = str; } return(parameters); } } catch { return(new Parameters("-1", "")); } }