/// <summary>
/// 发送只有url的get请求
/// </summary>
/// <param name="RequestUrl">url</param>
/// <param name="CookieContainer">cookie</param>
/// <returns>响应报文</returns>
public static WebResponse HttpGet(this string RequestUrl, CookieContainer CookieContainer = null)
{
TRY_AGAIN:
HttpWebRequest Req = (HttpWebRequest)WebRequest.Create(RequestUrl);
WebProxy webProxy;
if (DefaultProxyIp.EnableWebProxy(RequestUrl, out webProxy))
{
Req.Proxy = webProxy;
}
Req.Method = "GET";
Req.LoadConfig(RequestUrl);
if (CookieContainer != null)
{
Req.CookieContainer = CookieContainer;
}
try
{
return(Req.GetResponse());
}
catch (Exception ex)
{
if (DefaultTryExceptionHandle.CheckTry(RequestUrl, ex))
{
goto TRY_AGAIN;
}
else
{
throw ex;
}
}
}
/// <summary>
/// 初始化操作
/// </summary>
static HttpWebRequestHelper()
{
_httpCfg = new XmlDocument();
if (File.Exists(Environment.CurrentDirectory + Path.DirectorySeparatorChar + "http.xml"))
{
_httpCfg.LoadXml(File.ReadAllText(Environment.CurrentDirectory + Path.DirectorySeparatorChar + "http.xml"));
}
DefaultProxyIp = new DefaultProxyIp();
DefaultCheckLogout = new DefaultCheckLogout();
DefaultTryExceptionHandle = new DefaultTryExceptionHandle();
PoolVersionMap = new Dictionary <string, string>();
}
/// <summary>
/// 发送只有报文体的post请求
/// </summary>
/// <param name="RequestUrl"></param>
/// <param name="Body"></param>
/// <param name="CookieContainer"></param>
/// <returns>响应报文</returns>
public static WebResponse HttpPost(this string RequestUrl, string Body, CookieContainer CookieContainer = null)
{
TRY_AGAIN:
HttpWebRequest Req = (HttpWebRequest)WebRequest.Create(RequestUrl);
WebProxy webProxy;
if (DefaultProxyIp.EnableWebProxy(RequestUrl, out webProxy))
{
Req.Proxy = webProxy;
}
Req.Method = "POST";
Req.ContentType = "application/json";
Req.LoadConfig(RequestUrl);
if (CookieContainer != null)
{
Req.CookieContainer = CookieContainer;
}
using (Stream stream = Req.GetRequestStream())
{
byte[] b = RequestUrl.LoadRequestEncoding().GetBytes(Body);
stream.Write(b, 0, b.Length);
}
try
{
return(Req.GetResponse());
}
catch (Exception ex)
{
if (DefaultTryExceptionHandle.CheckTry(RequestUrl, ex))
{
goto TRY_AGAIN;
}
else
{
throw ex;
}
}
}
/// <summary>
/// 发送只含有表单参数的post请求，支持上传文件
/// </summary>
/// <param name="RequestUrl">请求的url</param>
/// <param name="Param">表单参数，上传文件用</param>
/// <param name="CookieContainer">cookie容器</param>
/// <returns>响应报文</returns>
public static WebResponse HttpPost(this string RequestUrl, Dictionary <string, dynamic> Param, CookieContainer CookieContainer = null)
{
TRY_AGAIN:
string boundary = "---------------" + DateTime.Now.Ticks.ToString("x");
byte[] beginBoundaryByte = Encoding.ASCII.GetBytes("--" + boundary + "\r\n");
byte[] endBoundaryByte = Encoding.ASCII.GetBytes("--" + boundary + "--\r\n");
byte[] newLine = Encoding.ASCII.GetBytes("\r\n");
HttpWebRequest Req = (HttpWebRequest)WebRequest.Create(RequestUrl);
WebProxy webProxy;
if (DefaultProxyIp.EnableWebProxy(RequestUrl, out webProxy))
{
Req.Proxy = webProxy;
}
Req.Method = "POST";
Req.ContentType = "multipart/form-data;boundary=" + boundary;
Req.LoadConfig(RequestUrl);
if (CookieContainer != null)
{
Req.CookieContainer = CookieContainer;
}
byte[] cache = new byte[4096];
Type Type;
string key;
using (Stream stream = new BufferedStream(Req.GetRequestStream()))
{
Encoding reqEncoding = RequestUrl.LoadRequestEncoding();
foreach (KeyValuePair <string, dynamic> kv in Param)
{
Type = kv.Value.GetType();
key = kv.Key;
stream.Write(beginBoundaryByte, 0, beginBoundaryByte.Length);
if (typeof(string) == Type)
{
string value = kv.Value;
byte[] temp = reqEncoding.GetBytes($"Content-Disposition: form-data; name=\"{key}\" \r\n\r\n{value}");
stream.Write(temp, 0, temp.Length);
}
else if (typeof(FileInfo) == Type)
{
FileInfo f = kv.Value;
string filename = f.Name;
byte[] temp = reqEncoding.GetBytes($"Content-Disposition: form-data; name=\"{key}\"; filename=\"{filename}\"\r\nContent-Type: application/octet-stream\r\n\r\n");
stream.Write(temp, 0, temp.Length);
using (Stream input = new BufferedStream(f.OpenRead()))
{
for (int len; (len = input.Read(cache, 0, cache.Length)) > 0;)
{
stream.Write(cache, 0, len);
}
}
}
else if (typeof(Stream) == Type)
{
string filename = key;
byte[] temp = reqEncoding.GetBytes($"Content-Disposition: form-data; name=\"{key}\"; filename=\"{filename}\"\r\nContent-Type: application/octet-stream\r\n\r\n");
stream.Write(temp, 0, temp.Length);
using (Stream input = kv.Value)
{
for (int len; (len = input.Read(cache, 0, cache.Length)) > 0;)
{
stream.Write(cache, 0, len);
}
}
}
else if (typeof(Bitmap) == Type)
{
string filename = key;
byte[] temp = reqEncoding.GetBytes($"Content-Disposition: form-data; name=\"{key}\"; filename=\"{filename}\"\r\nContent-Type: application/octet-stream\r\n\r\n");
stream.Write(temp, 0, temp.Length);
using (Bitmap Bitmap = kv.Value)
Bitmap.Save(stream, ImageFormat.Bmp);
}
stream.Write(newLine, 0, newLine.Length);
}
stream.Write(endBoundaryByte, 0, endBoundaryByte.Length);
}
try
{
return(Req.GetResponse());
}
catch (Exception ex)
{
if (DefaultTryExceptionHandle.CheckTry(RequestUrl, ex))
{
goto TRY_AGAIN;
}
else
{
throw ex;
}
}
}