286 lines
11 KiB
C#
286 lines
11 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Specialized;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Web;
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namespace BLL
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{
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public static class APIGetHttpService
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{
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/// <summary>
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/// 不做catch处理，需要在外部做
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/// </summary>
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/// <param name="url"></param>
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/// <param name="method">默认GET，空则补充为GET</param>
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/// <param name="contenttype">默认json，空则补充为json</param>
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/// <param name="header">请求头部</param>
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/// <param name="data">请求body内容</param>
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/// <returns></returns>
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public static string Http(string url, string method = "GET", string contenttype = "application/json;charset=utf-8", Hashtable header = null, string data = null)
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{
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if (url.IndexOf("https") >= 0)
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{
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ServicePointManager.ServerCertificateValidationCallback = (sender, certificate, chain, sslPolicyErrors) => true;
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ServicePointManager.SecurityProtocol = (SecurityProtocolType)3072;
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}
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Method = string.IsNullOrEmpty(method) ? "GET" : method;
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request.ContentType = string.IsNullOrEmpty(contenttype) ? "application/json;charset=utf-8" : contenttype;
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if (url.IndexOf("https") >= 0)
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{
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request.ProtocolVersion = HttpVersion.Version10;
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}
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if (header != null)
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{
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foreach (var i in header.Keys)
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{
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request.Headers.Add(i.ToString(), header[i].ToString());
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}
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}
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else
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{
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request.Headers.Add("token", "AF17168B-87BD-4GLY-1111-F0A0A1158F9B");
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}
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if (!string.IsNullOrEmpty(data))
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{
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Stream RequestStream = request.GetRequestStream();
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byte[] bytes = Encoding.UTF8.GetBytes(data);
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RequestStream.Write(bytes, 0, bytes.Length);
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RequestStream.Close();
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}
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HttpWebResponse response = null;
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Stream ResponseStream = null;
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StreamReader StreamReader = null;
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try
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{
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response = (HttpWebResponse)request.GetResponse();
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ResponseStream = response.GetResponseStream();
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StreamReader = new StreamReader(ResponseStream, Encoding.GetEncoding("utf-8"));
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string re = StreamReader.ReadToEnd();
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StreamReader.Close();
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ResponseStream.Close();
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return re;
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}
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catch (WebException ex)
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{
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response = (HttpWebResponse)ex.Response;
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ResponseStream = response.GetResponseStream();
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StreamReader = new StreamReader(ResponseStream, Encoding.GetEncoding("utf-8"));
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string re = StreamReader.ReadToEnd();
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return re;
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}
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finally
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{
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if (StreamReader != null)
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{
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StreamReader.Close();
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}
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if (ResponseStream != null)
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{
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ResponseStream.Close();
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}
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if (response != null)
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{
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response.Close();
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}
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}
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}
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/// <summary>
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/// 不做catch处理，需要在外部做
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/// </summary>
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/// <param name="url"></param>
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/// <param name="method">默认GET，空则补充为GET</param>
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/// <param name="contenttype">默认json，空则补充为json</param>
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/// <param name="header">请求头部</param>
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/// <param name="data">请求body内容</param>
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/// <returns></returns>
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public static string OutsideHttp(string url, string method = "GET", string contenttype = "application/json;charset=utf-8", Hashtable header = null, string data = null)
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{
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.Method = string.IsNullOrEmpty(method) ? "GET" : method;
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request.ContentType = string.IsNullOrEmpty(contenttype) ? "application/json;charset=utf-8" : contenttype;
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if (header != null)
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{
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foreach (var i in header.Keys)
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{
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request.Headers.Add(i.ToString(), header[i].ToString());
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}
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}
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if (!string.IsNullOrEmpty(data))
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{
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Stream RequestStream = request.GetRequestStream();
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byte[] bytes = Encoding.UTF8.GetBytes(data);
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RequestStream.Write(bytes, 0, bytes.Length);
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RequestStream.Close();
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}
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HttpWebResponse response = null;
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Stream ResponseStream = null;
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StreamReader StreamReader = null;
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try
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{
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response = (HttpWebResponse)request.GetResponse();
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ResponseStream = response.GetResponseStream();
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StreamReader = new StreamReader(ResponseStream, Encoding.GetEncoding("utf-8"));
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string re = StreamReader.ReadToEnd();
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return re;
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}
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catch (WebException ex)
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{
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response = (HttpWebResponse)ex.Response;
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ResponseStream = response.GetResponseStream();
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StreamReader = new StreamReader(ResponseStream, Encoding.GetEncoding("utf-8"));
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string re = StreamReader.ReadToEnd();
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return re;
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}
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finally
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{
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if (StreamReader != null)
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{
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StreamReader.Close();
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}
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if (ResponseStream != null)
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{
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ResponseStream.Close();
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}
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if (response != null)
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{
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response.Close();
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}
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}
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}
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private static readonly Encoding DEFAULTENCODE = Encoding.UTF8;
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/// <summary>
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/// HttpUploadFile
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/// </summary>
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/// <param name="url"></param>
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/// <param name="file"></param>
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/// <param name="data"></param>
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/// <returns></returns>
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public static string HttpUploadFile(string url, string file, NameValueCollection data)
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{
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return HttpUploadFile(url, file, data, DEFAULTENCODE);
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}
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/// <summary>
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/// HttpUploadFile
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/// </summary>
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/// <param name="url"></param>
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/// <param name="file"></param>
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/// <param name="data"></param>
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/// <param name="encoding"></param>
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/// <returns></returns>
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public static string HttpUploadFile(string url, string file, NameValueCollection data, Encoding encoding)
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{
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return HttpUploadFile(url, new string[] { file }, data, encoding);
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}
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/// <summary>
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/// HttpUploadFile
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/// </summary>
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/// <param name="url"></param>
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/// <param name="files"></param>
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/// <param name="data"></param>
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/// <returns></returns>
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public static string HttpUploadFile(string url, string[] files, NameValueCollection data)
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{
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return HttpUploadFile(url, files, data, DEFAULTENCODE);
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}
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/// <summary>
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/// HttpUploadFile
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/// </summary>
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/// <param name="url"></param>
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/// <param name="files"></param>
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/// <param name="data"></param>
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/// <param name="encoding"></param>
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/// <returns></returns>
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public static string HttpUploadFile(string url, string[] files, NameValueCollection data, Encoding encoding)
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{
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string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
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byte[] boundarybytes = Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
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byte[] endbytes = Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
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//1.HttpWebRequest
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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request.ContentType = "multipart/form-data; boundary=" + boundary;
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request.Method = "POST";
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request.KeepAlive = true;
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request.Credentials = CredentialCache.DefaultCredentials;
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request.Headers.Add("token", "AF17168B-87BD-4GLY-1111-F0A0A1158F9B");
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using (Stream stream = request.GetRequestStream())
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{
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//1.1 key/value
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string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";
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if (data != null)
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{
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foreach (string key in data.Keys)
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{
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stream.Write(boundarybytes, 0, boundarybytes.Length);
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string formitem = string.Format(formdataTemplate, key, data[key]);
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byte[] formitembytes = encoding.GetBytes(formitem);
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stream.Write(formitembytes, 0, formitembytes.Length);
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}
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}
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//1.2 file
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string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: application/octet-stream\r\n\r\n";
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byte[] buffer = new byte[4096];
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int bytesRead = 0;
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for (int i = 0; i < files.Length; i++)
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{
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stream.Write(boundarybytes, 0, boundarybytes.Length);
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string header = "";
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if (i > 0)
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{
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header = string.Format(headerTemplate, "img", Path.GetFileName(files[i]));
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}
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else
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{
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header = string.Format(headerTemplate, "img" + i, Path.GetFileName(files[i]));
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}
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byte[] headerbytes = encoding.GetBytes(header);
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stream.Write(headerbytes, 0, headerbytes.Length);
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using (FileStream fileStream = new FileStream(files[i], FileMode.Open, FileAccess.Read))
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{
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while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) != 0)
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{
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stream.Write(buffer, 0, bytesRead);
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}
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}
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}
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//1.3 form end
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stream.Write(endbytes, 0, endbytes.Length);
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}
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//2.WebResponse
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HttpWebResponse response = (HttpWebResponse)request.GetResponse();
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using (StreamReader stream = new StreamReader(response.GetResponseStream()))
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{
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return stream.ReadToEnd();
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}
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}
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}
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}
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