public static class HttpClientEx
{
#region Public Methods
/// <summary>
/// 设置请求头部
/// </summary>
/// <param name="key"> </param>
/// <param name="value"> </param>
public static void AddDefaultRequestHeaders(this HttpClient httpClient, string key, string value)
{
httpClient.DefaultRequestHeaders.Add(key, value);
}
/// <summary>
/// Get请求
/// </summary>
/// <param name="url"> 请求url </param>
/// <returns> 响应状态在200-300 返回HttpResponseMessage 否则null </returns>
public static HttpResponseMessage DoGet(this HttpClient httpClient, string url)
{
Task<HttpResponseMessage> taskResponse = httpClient.GetAsync(url);
taskResponse.Wait();
var response = taskResponse.Result;
//200-299
if (response.IsSuccessStatusCode)
{
return response;
}
return null;
}
/// <summary>
/// Post请求 内容类型:application/json
/// </summary>
/// <param name="url"> 请求url </param>
/// <param name="postData"> json内容 </param>
/// <param name="ContentEncoding"> 内容编码 </param>
/// <param name="headers"> 请求头设置 </param>
/// <returns> 响应状态在200-300 返回HttpResponseMessage 否则null </returns>
public static HttpResponseMessage DoPost(this HttpClient httpClient, string url, string postData, string ContentEncoding = null, Dictionary<string, string> headers = null)
{
HttpContent httpContent = new StringContent(postData);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
if (ContentEncoding != null)
{
httpContent.Headers.ContentEncoding.Add(ContentEncoding);
}
if (headers != null)
{
foreach (var head in headers)
{
httpContent.Headers.Add(head.Key, head.Value);
}
}
Task<HttpResponseMessage> taskResponse = httpClient.PostAsync(url, httpContent);
taskResponse.Wait();
HttpResponseMessage response = taskResponse.Result;
if (response.IsSuccessStatusCode)
{
return response;
}
return null;
}
/// <summary>
/// Post请求 内容类型:application/x-www-form-urlencoded
/// </summary>
/// <param name="url"> 请求url </param>
/// <param name="data"> 数据参数 </param>
/// <param name="ContentEncoding"> 内容编码 </param>
/// <param name="headers"> 请求头设置 </param>
/// <returns> 响应状态在200-300 返回HttpResponseMessage 否则null </returns>
/// <returns> </returns>
public static HttpResponseMessage DoPost(this HttpClient httpClient, string url, IEnumerable<KeyValuePair<string, string>> data, Dictionary<string, string> headers = null, string ContentEncoding = null)
{
HttpContent httpContent = new FormUrlEncodedContent(data);
httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded");
if (ContentEncoding != null)
{
httpContent.Headers.ContentEncoding.Add(ContentEncoding);
}
if (headers != null)
{
foreach (var head in headers)
{
httpContent.Headers.Add(head.Key, head.Value);
}
}
Task<HttpResponseMessage> taskResponse = httpClient.PostAsync(url, httpContent);
taskResponse.Wait();
HttpResponseMessage response = taskResponse.Result;
if (response.IsSuccessStatusCode)
{
return response;
}
return null;
}
/// <summary>
/// 设置UserAgent
/// </summary>
/// <param name="httpClient"> </param>
/// <param name="value"> </param>
public static void SetUserAgent(this HttpClient httpClient, string value)
{
httpClient.DefaultRequestHeaders.UserAgent.ParseAdd(value);
}
#endregion Public Methods
}
public static class HttpStatusCodeEx
{
#region Public Methods
/// <summary>
/// 将Http状态码翻译为对应的中文
/// </summary>
/// <param name="code"> Http状态码 </param>
/// <returns> 中文解析 </returns>
public static string ToChsText(this 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";
}
}
#endregion Public Methods
}
public static class HttpResponseMessageEx
{
#region Public Methods
public static string ReadModel<T>(this HttpResponseMessage httpResponse) where T : class
{
if (httpResponse.IsSuccessStatusCode)
{
Task<System.IO.Stream> taskStream = httpResponse.Content.ReadAsStreamAsync();
taskStream.Wait();
System.IO.Stream dataStream = taskStream.Result;
System.IO.StreamReader reader = new System.IO.StreamReader(dataStream);
string s = reader.ReadToEnd();
reader.Close();
dataStream.Close();
return s;
}
return string.Empty;
}
public static string ReadString(this HttpResponseMessage httpResponse)
{
Task<System.IO.Stream> taskStream = httpResponse.Content.ReadAsStreamAsync();
taskStream.Wait();
System.IO.Stream dataStream = taskStream.Result;
System.IO.StreamReader reader = new System.IO.StreamReader(dataStream);
string result = reader.ReadToEnd();
reader.Close();
dataStream.Close();
return result;
}
#endregion Public Methods
}
Net HttpClient 扩展方法