private static HttpWebRequest CreateHttpWebRequest(String url, HttpTypes httpType, String parameters,
Encoding requestEncoding, int?timeout = null, string userAgent = "", CookieCollection cookies = null,
Boolean isJson = true)
{
if (string.IsNullOrEmpty(url))
{
throw new ArgumentNullException("url");
}
if (requestEncoding == null)
{
throw new ArgumentNullException("requestEncoding");
}
HttpWebRequest request;
//如果是发送HTTPS请求
if (url.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckValidationResult);
request = WebRequest.Create(url) as HttpWebRequest;
request.ProtocolVersion = HttpVersion.Version10;
}
else
{
request = WebRequest.Create(url) as HttpWebRequest;
}
request.Method = httpType.ToString().ToUpper();
request.ContentType = isJson ? "application/json;charset=UTF-8" : "application/x-www-form-urlencoded";
request.UserAgent = string.IsNullOrEmpty(userAgent) ? _defaultUserAgent : userAgent;
if (timeout.HasValue)
{
request.Timeout = timeout.Value;
}
if (cookies != null)
{
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(cookies);
}
if (!String.IsNullOrEmpty(parameters))
{
byte[] data = requestEncoding.GetBytes(parameters);
using (Stream stream = request.GetRequestStream())
{
stream.Write(data, 0, data.Length);
}
}
// request.GetResponse() as HttpWebResponse;
return(request);
}
public static String GerHttpResponseResult(String url, HttpTypes httpType, String parameters,
Encoding requestEncoding, int?timeout = null, string userAgent = "", CookieCollection cookies = null,
Boolean isJson = false)
{
HttpWebResponse request = null;
try
{
request = CreateHttpWebRequest(url, httpType, parameters, requestEncoding, timeout, userAgent, cookies,
isJson).GetResponse() as HttpWebResponse;
}
catch (Exception ex)
{
return("");
}
String result = GetStream(request, requestEncoding);
return(result);
}
public static async Task <String> CreateHttpResponseResultAsync(String url, HttpTypes httpType, String parameters, Encoding requestEncoding, int?timeout = null, string userAgent = "", CookieCollection cookies = null, Boolean isJson = true)
{
try
{
var request = await CreateHttpResponseAsync(url, httpType, parameters, requestEncoding, timeout, userAgent, cookies,
isJson);
String result = await GetStreamAsync(request, requestEncoding);
return(result);
}
catch (AggregateException ex)
{
foreach (Exception inner in ex.InnerExceptions)
{
}
return("");
}
}
public static async Task <String> CreateHttpResponseResultAsync(String url, HttpTypes httpType, String parameters)
{
return(await CreateHttpResponseResultAsync(url, httpType, parameters, Encoding.UTF8));
}
public static async Task <HttpWebResponse> CreateHttpResponseAsync(String url, HttpTypes httpType,
String parameters, Encoding requestEncoding, int?timeout = null, string userAgent = "",
CookieCollection cookies = null, Boolean isJson = true)
{
return(await CreateHttpWebRequest(url, httpType, parameters, requestEncoding, timeout, userAgent, cookies,
isJson).GetResponseAsync() as HttpWebResponse);
}
public static String CreateHttpResponseResult(String url, HttpTypes httpType, String parameters)
{
return(GerHttpResponseResult(url, httpType, parameters, Encoding.UTF8));
}
