/// <summary>
/// HttpWebRequest 用GET方法访问指定URI
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="uri">请求发送到的 URI。</param>
/// <param name="headers">请求的头部信息</param>
/// <returns></returns>
public static T HttpGet <T>(string uri, IDictionary <string, string> headers = null)
{
#if netcore
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.SystemDefault | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net45
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net40
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
}
#endif
HttpWebRequest request = WebRequest.Create(uri) as HttpWebRequest;
request.Method = "GET";
request.ContentType = "text/json";
if (headers != null)
{
foreach (var kv in headers)
{
request.Headers.Add(kv.Key, kv.Value);
}
}
StreamReader reader = null;
Stream stream = null;
try
{
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
stream = response.GetResponseStream();
reader = new StreamReader(stream);
string line = reader.ReadToEnd();
T value = SerializeHelper.DeserializeFromJson <T>(line);
return(value);
}
catch (WebException we)
{
WebHelper.ThrowWebException(we);
throw;
}
finally
{
if (stream != null)
{
stream.Close();
}
if (reader != null)
{
reader.Close();
}
}
}
/// <summary>
/// 设置Cookie
/// </summary>
/// <param name="key">cookie键</param>
/// <param name="value">cookie值</param>
/// <param name="expires">过期时间，分钟为单位，默认一天</param>
/// <param name="encrypt">是否加密cookie</param>
public static void SetCookie(string key, string value, int expires = 1440, bool encrypt = true)
{
WebHelper.SetCookie(key, value, DateTime.Now.AddMinutes(expires));
}
/// <summary>
/// HttpWebRequest 用POST方法访问指定URI
/// </summary>
public static T HttpPost <T>(string uri, string content, IDictionary <string, string> headers = null, string contentType = "application/json", int?timeout = null)
{
//application/x-www-form-urlencoded
#if netcore
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.SystemDefault | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net45
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net40
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
}
#endif
HttpWebRequest request = WebRequest.Create(uri) as HttpWebRequest;
if (timeout != null)
{
request.Timeout = timeout.Value;
}
request.Method = "POST";
request.ContentType = contentType;
request.ContentLength = 0;
if (headers != null)
{
foreach (var kv in headers)
{
request.Headers.Add(kv.Key, kv.Value);
}
}
if (!string.IsNullOrEmpty(content))
{
byte[] sndBytes = Encoding.UTF8.GetBytes(content);
request.ContentLength = sndBytes.Length;
Stream rs = request.GetRequestStream();
rs.Write(sndBytes, 0, sndBytes.Length);
rs.Close();
}
StreamReader reader = null;
Stream stream = null;
try
{
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
stream = response.GetResponseStream();
reader = new StreamReader(stream);
string line = reader.ReadToEnd();
T value = SerializeHelper.DeserializeFromJson <T>(line);
return(value);
}
catch (WebException we)
{
WebHelper.ThrowWebException(we);
throw;
}
finally
{
if (stream != null)
{
stream.Close();
}
if (reader != null)
{
reader.Close();
}
}
}
/// <summary>
/// HttpWebRequest 用POST方法访问指定URI<c>使用完记得调用Stream.Close方法</c>
/// </summary>
public static HttpWebResponse HttpResponse(string uri, string content, IDictionary <string, string> headers = null, string contentType = "application/json", int?timeout = null, Encoding encoding = null)
{
//application/x-www-form-urlencoded
encoding = encoding ?? Encoding.UTF8;
#if netcore
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.SystemDefault | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net45
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | SecurityProtocolType.Tls11 | SecurityProtocolType.Tls12;
}
#endif
#if net40
if (uri.StartsWith("https", StringComparison.OrdinalIgnoreCase))
{
ServicePointManager.SecurityProtocol = SecurityProtocolType.Ssl3 | SecurityProtocolType.Tls | (SecurityProtocolType)768 | (SecurityProtocolType)3072;
}
#endif
HttpWebRequest request = WebRequest.Create(uri) as HttpWebRequest;
if (timeout != null)
{
request.Timeout = timeout.Value;
}
request.Method = "POST";
request.ContentType = contentType;
request.ContentLength = 0;
if (headers != null)
{
foreach (var kv in headers)
{
request.Headers.Add(kv.Key, kv.Value);
}
}
if (!string.IsNullOrEmpty(content))
{
byte[] sndBytes = encoding.GetBytes(content);
request.ContentLength = sndBytes.Length;
Stream rs = request.GetRequestStream();
rs.Write(sndBytes, 0, sndBytes.Length);
rs.Close();
}
try
{
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
return(response);
}
catch (WebException we)
{
WebHelper.ThrowWebException(we);
throw;
}
}
