public async Task Test()
{
string url = "http://www.baidu.com";
HttpData data = new HttpData();
// 注册事件
data.OnRequestCreateComplete += Data_OnRequestCreateComplete;
data.OnResponseCreateComplete += Data_OnResponseCreateComplete;
data.OnHttpError += Data_OnHttpError;
// 普通
if (url.HttpRequest(data))
{
// xxxxxxxxx
}
// 异步
if (await url.HttpRequestAsync(data))
{
// xxxxxxxxx
}
}
/// <summary>
/// 发送http请求
/// </summary>
/// <param name="url">请求地址</param>
/// <param name="data">请求携带的数据</param>
/// <returns></returns>
public static bool HttpRequest(this string url, HttpData data)
{
try
{
#region 若为GET请求并且携带数据则重建url
if (data.Method == RequestType.GET && data.Data != null && data.Data.Count > 0)
{
var sb = new StringBuilder();
sb.Append(url);
sb.Append("?");
bool isStart = true;
foreach (KeyValuePair <string, string> item in data.Data)
{
if (!isStart)
{
sb.AppendFormat("&{0}={1}", item.Key, item.Value);
continue;
}
isStart = false;
sb.AppendFormat("{0}={1}", item.Key, item.Value);
}
url = sb.ToString();
}
#endregion
// 创建HTTP请求
var request = WebRequest.Create(url) as HttpWebRequest;
#region 写入Cookies
// 写入Cookies
if (data.EnabledCookie)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(data.Cookies);
}
#endregion
#region HTTPS
if (url.ToLower().StartsWith("https"))
{
// https
//ServicePointManager.ServerCertificateValidationCallback = delegate { return true; };
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endregion
#region 设置请求头
switch (data.Method)
{
case RequestType.GET:
request.Method = "GET";
break;
case RequestType.POST:
request.Method = "POST";
break;
}
request.ProtocolVersion = HttpVersion.Version11;
if (data.EnabledIfModifiedSinceHTTP)
{
request.IfModifiedSince = data.IfModifiedSinceHTTP;
}
if (!data.Accept.IsNull())
{
request.Accept = data.Accept;
}
if (!data.UserAgent.IsNull())
{
request.UserAgent = data.UserAgent;
}
if (!data.Host.IsNull())
{
request.Host = data.Host;
}
if (!data.ContentType.IsNull())
{
request.ContentType = data.ContentType;
}
if (!data.AcceptLanguage.IsNull())
{
request.Headers.Add("Accept-Language", data.AcceptLanguage);
}
if (!data.AcceptEncoding.IsNull())
{
request.Headers.Add("Accept-Encoding", data.AcceptEncoding);
}
if (!data.Origin.IsNull())
{
request.Headers.Add("Origin", data.Origin);
}
if (!data.Referer.IsNull())
{
request.Referer = data.Referer;
}
request.KeepAlive = data.KeepAlive;
if (!data.UpgradeInsecureRequests.IsNull())
{
request.Headers.Add("Upgrade-Insecure-Requests", data.UpgradeInsecureRequests);
}
#endregion
#region POST 写入数据
// POST 数据附加到请求
if (data.Method == RequestType.POST && data.Data != null && data.Data.Count > 0)
{
request.WriteData(data.Data);
}
#endregion
// Request对象初始化完成
data.RequestCreateComplete(data, request);
// 发送请求
var response = request.GetResponse() as HttpWebResponse;
#region 记录Cookie/读取响应流
if (!data.ResponseCreateCompleteIsNull())
{
data.ResponseCreateComplete(data, new HttpEventArgs(request, response));
}
else
{
data.Cookies = response.Cookies;
var stream = response.GetResponseStream();
try
{
stream = new GZipStream(stream, CompressionMode.Decompress);
}
catch
{
}
using (var sr = new StreamReader(stream, Encoding.UTF8))
{
data.ResponseData = sr.ReadToEnd();
stream.Close();
stream.Dispose();
}
}
response.Dispose();
#endregion
return(true);
}
catch (Exception e)
{
data.HttpError(data, e);
return(false);
}
}