/// <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> /// 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; } } }