using Newtonsoft.Json;using System;using System.Collections.Generic;using System.Linq;using System.Net;using System.Net.Http;using System.Net.Http.Headers;using System.Text;using System.Threading.Tasks;namespace Common{ /// /// HttpClient的帮助类 /// 2015年11月12日14:43:45 /// public class HttpClientHelper { /*Edit Desc: 提取默认的Http Heads UserAgen Author:Xuja Time:2016-5-3 16:46:29*/ private static readonly string userAgen = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/36.0.1985.143 Safari/537.36"; /// /// 根据Url地址Get请求返回数据 /// 2015年11月12日14:50:02 /// /// 请求的地址 /// http状态码 /// 字符串 public static string GetResponse(string url, out string httpStatusCode) { httpStatusCode = string.Empty; HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); //httpClient = new HttpClient(); //using (HttpClient httpClient = new HttpClient()) //{ httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); httpClient.DefaultRequestHeaders.Accept.Add( new MediaTypeWithQualityHeaderValue("application/json")); Task taskResponse = httpClient.GetAsync(url); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.GetAsync(url).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); //此处会抛出异常：不支持超时设置，对返回结果没有影响 System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string result = reader.ReadToEnd(); return result; } //} return null; //} } catch { return null; } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// 根据Url地址Get请求返回数据 /// xuja /// 2015年11月12日14:50:02 /// /// 请求的地址 /// 字符串 public static string GetResponse(string url) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); //httpClient = new HttpClient(); //using (HttpClient httpClient = new HttpClient()) //{ httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); httpClient.DefaultRequestHeaders.Accept.Add( new MediaTypeWithQualityHeaderValue("application/json")); Task taskResponse = httpClient.GetAsync(url); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.GetAsync(url).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string result = reader.ReadToEnd(); return result; } //} return null; //} } catch { return null; } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// 根据Url地址Get请求返回实体 /// xuja /// 2015年11月12日14:50:02 /// /// 请求的地址 /// 实体 public static T GetResponse (string url) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ //httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); httpClient.DefaultRequestHeaders.Accept.Add( new MediaTypeWithQualityHeaderValue("application/json")); //HttpResponseMessage response = httpClient.GetAsync(url).Result; Task taskResponse = httpClient.GetAsync(url); taskResponse.Wait(); T result = default(T); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string s = reader.ReadToEnd(); result = JsonConvertTool.DeserializeObject (s); } //} return result; //} } catch (Exception e) { var resp = new HttpResponseMessage(HttpStatusCode.InternalServerError) { Content = new StringContent(e.ToString()), ReasonPhrase = "error" }; //throw new HttpResponseException(resp); return default(T); } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// 处理Get的Url /// des：huyf /// /// /// public static string WithParameters(Dictionary dic) { string result = "?"; foreach (var item in dic) { result += item.Key + "=" + item.Value + "&"; } result = result.Remove(result.Length - 1); return result; } /// /// Post请求返回字符 /// /// 请求地址 /// 请求数据 /// 字符 public static string PostResponse(string url, string postData) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); HttpContent httpContent = new StringContent(postData); httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json"); Task taskResponse = httpClient.PostAsync(url, httpContent); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string result = reader.ReadToEnd(); return result; } //} return null; //} } catch { return null; } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// Post请求返回字符 /// /// 请求地址 /// 请求数据 /// 字符 public static string PostResponse(string url, object obj) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); string postData = JsonConvertTool.SerializeObject(obj); HttpContent httpContent = new StringContent(postData); httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json"); Task taskResponse = httpClient.PostAsync(url, httpContent); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string result = reader.ReadToEnd(); return result; } else { //LogHelper.WriteInfo(typeof(HttpClientHelper), "结果：" + response.StatusCode + "内容：" + JsonConvertTool.SerializeObject(obj)); } //} return null; //} } catch (Exception exception) { //LogHelper.Error("结果：异常 内容：" + JsonConvertTool.SerializeObject(obj) + "ex:" + exception.Message, exception); return null; } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// Post请求返回实体 /// /// 请求地址 /// 请求数据 /// 实体 public static T PostResponse (string url, string postData) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); HttpContent httpContent = new StringContent(postData); httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json"); T result = default(T); Task taskResponse = httpClient.PostAsync(url, httpContent); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string s = reader.ReadToEnd(); result = JsonConvertTool.DeserializeObject (s); } //} return result; //} } catch { return default(T); } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// Post请求返回实体 /// /// 请求地址 /// 请求数据 /// 实体 public static T PostResponse (string url, object obj) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); string postData = JsonConvertTool.SerializeObject(obj); HttpContent httpContent = new StringContent(postData); httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json"); T result = default(T); Task taskResponse = httpClient.PostAsync(url, httpContent); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string s = reader.ReadToEnd(); result = JsonConvertTool.DeserializeObject (s); } //} return result; //} } catch { return default(T); } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// Put请求返回字符 /// /// 请求地址 /// 请求数据 /// 字符 public static string PutResponse(string url, object obj) { HttpClient httpClient = new HttpClient(new HttpClientHandler() { AutomaticDecompression = DecompressionMethods.GZip }); HttpResponseMessage response = null; try { //using (HttpClient httpClient = new HttpClient()) //{ httpClient.MaxResponseContentBufferSize = 256000; httpClient.DefaultRequestHeaders.Add("user-agent", userAgen); httpClient.CancelPendingRequests(); httpClient.DefaultRequestHeaders.Clear(); string postData = JsonConvertTool.SerializeObject(obj); HttpContent httpContent = new StringContent(postData); httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json"); Task taskResponse = httpClient.PostAsync(url, httpContent); taskResponse.Wait(); response = taskResponse.Result; //using (HttpResponseMessage response = taskResponse.Result) //{ //HttpResponseMessage response = httpClient.PutAsync(url, httpContent).Result; if (response.IsSuccessStatusCode) { Task taskStream = response.Content.ReadAsStreamAsync(); taskStream.Wait(); System.IO.Stream dataStream = taskStream.Result; System.IO.StreamReader reader = new System.IO.StreamReader(dataStream); string result = reader.ReadToEnd(); return result; } //} return null; //} } catch { return null; } finally { if (response != null) { response.Dispose(); } if (httpClient != null) { httpClient.Dispose(); } } } /// /// 将Http状态码翻译为对应的中文【暂未使用】 /// /// Http状态码 /// 中文解析 public static string ToChsText(HttpStatusCode code) { switch (code) { case HttpStatusCode.Continue: return "请求者应继续进行请求"; case HttpStatusCode.SwitchingProtocols: return "请求者已要求服务器切换协议，服务器已确认并准备进行切换"; case HttpStatusCode.OK: return "服务器成功处理了相应请求"; case HttpStatusCode.Created: return "请求成功且服务器已创建了新的资源"; case HttpStatusCode.Accepted: return "服务器已接受相应请求，但尚未对其进行处理"; case HttpStatusCode.NonAuthoritativeInformation: return "服务器已成功处理相应请求，但返回了可能来自另一来源的信息"; case HttpStatusCode.NoContent: return "服务器已成功处理相应请求，但未返回任何内容"; case HttpStatusCode.ResetContent: return "服务器已成功处理相应请求，但未返回任何内容，但要求请求者重置文档视图"; case HttpStatusCode.PartialContent: return "服务器成功处理了部分 GET 请求"; case HttpStatusCode.MultipleChoices: return "服务器可以根据请求来执行多项操作"; case HttpStatusCode.Moved: return "请求的网页已永久移动到新位置"; case HttpStatusCode.Redirect: return "服务器目前正从不同位置的网页响应请求，但请求者应继续使用原有位置来进行以后的请求"; case HttpStatusCode.RedirectMethod: return "当请求者应对不同的位置进行单独的 GET 请求以检索响应时，服务器会返回此代码"; case HttpStatusCode.NotModified: return "请求的网页自上次请求后再也没有修改过"; case HttpStatusCode.UseProxy: return "请求者只能使用代理访问请求的网页"; case HttpStatusCode.Unused: return "Unused 是未完全指定的 HTTP/1.1 规范的建议扩展"; case HttpStatusCode.RedirectKeepVerb: return "服务器目前正从不同位置的网页响应请求，但请求者应继续使用原有位置来进行以后的请求"; case HttpStatusCode.BadRequest: return "服务器未能识别请求"; case HttpStatusCode.Unauthorized: return "请求要求进行身份验证"; case HttpStatusCode.PaymentRequired: return "保留 PaymentRequired 以供将来使用"; case HttpStatusCode.Forbidden: return "服务器拒绝相应请求"; case HttpStatusCode.NotFound: return "服务器找不到请求的资源"; case HttpStatusCode.MethodNotAllowed: return "禁用相应请求中所指定的方法"; case HttpStatusCode.NotAcceptable: return "无法使用相应请求的内容特性来响应请求的网页"; case HttpStatusCode.ProxyAuthenticationRequired: return "请求者应当使用代理进行授权"; case HttpStatusCode.RequestTimeout: return "服务器在等待请求时超时"; case HttpStatusCode.Conflict: return "服务器在完成请求时遇到冲突"; case HttpStatusCode.Gone: return "请求的资源已被永久删除"; case HttpStatusCode.LengthRequired: return "服务器不会接受包含无效内容长度标头字段的请求"; case HttpStatusCode.PreconditionFailed: return "服务器未满足请求者在请求中设置的其中一个前提条件"; case HttpStatusCode.RequestEntityTooLarge: return "服务器无法处理相应请求，因为请求实体过大，已超出服务器的处理能力"; case HttpStatusCode.RequestUriTooLong: return "请求的 URI 过长，服务器无法进行处理"; case HttpStatusCode.UnsupportedMediaType: return "相应请求的格式不受请求页面的支持"; case HttpStatusCode.RequestedRangeNotSatisfiable: return "如果相应请求是针对网页的无效范围进行的，那么服务器会返回此状态代码"; case HttpStatusCode.ExpectationFailed: return "服务器未满足“期望”请求标头字段的要求"; case HttpStatusCode.InternalServerError: return "服务器内部遇到错误，无法完成相应请求"; case HttpStatusCode.NotImplemented: return "请求的功能在服务器中尚未实现"; case HttpStatusCode.BadGateway: return "服务器作为网关或代理，从上游服务器收到了无效的响应"; case HttpStatusCode.ServiceUnavailable: return "目前服务器不可用（由于超载或进行停机维护）"; case HttpStatusCode.GatewayTimeout: return "服务器作为网关或代理，未及时从上游服务器接收请求"; case HttpStatusCode.HttpVersionNotSupported: return "服务器不支持相应请求中所用的 HTTP 协议版本"; default: return "未知Http状态"; } } }}