1 using System;  2 using System.Collections.Generic;  3 using System.IO;  4 using System.Linq;  5 using System.Net;  6 using System.Text;  7   8 namespace MiSuMi  9 { 10     public class HttpHelper 11     { 12         public CookieContainer cookie; 13         public HttpHelper() 14         { 15             cookie = new CookieContainer(); 16         } 17  18         public string Get_Request( 19             string strUrl, 20             CookieContainer _cookie = null, 21             string strHost = "", 22             string strRefer = "", 23             string strOrigin = "", 24             Dictionary
     
       lstHeads = null, 25             string strEncoding = "utf-8", 26             string strContentType = "", 27             string strAccept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", 28             string strUserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36", 29             bool blnAllowAutoRedirect = true, 30             int intTimeout = 1000 * 30) 31         { 32             HttpWebRequest request; 33             HttpWebResponse response; 34             request = (HttpWebRequest)WebRequest.Create(strUrl); 35             request.Accept = strAccept; 36             request.Timeout = intTimeout; 37             request.Method = "GET"; 38             request.Credentials = CredentialCache.DefaultCredentials; 39             request.UserAgent = strUserAgent; 40             request.AllowAutoRedirect = blnAllowAutoRedirect; 41             if (!string.IsNullOrEmpty(strContentType)) 42             { 43                 request.ContentType = strContentType; 44             } 45             if (_cookie != null) 46             { 47                 request.CookieContainer = _cookie; 48             } 49             if (!string.IsNullOrEmpty(strHost)) 50             { 51                 request.Host = strHost; 52             } 53             if (!string.IsNullOrEmpty(strRefer)) 54             { 55                 request.Referer = strRefer; 56             } 57             if (!string.IsNullOrEmpty(strOrigin)) 58             { 59                 request.Headers.Add("Origin", strOrigin); 60             } 61             if (lstHeads != null && lstHeads.Count > 0) 62             { 63                 foreach (var item in lstHeads) 64                 { 65                     request.Headers.Add(item.Key, item.Value); 66                 } 67             } 68             response = (HttpWebResponse)request.GetResponse(); 69             var sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(strEncoding)); 70             string strResult = sr.ReadToEnd(); 71             sr.Close(); 72             request.Abort(); 73             response.Close(); 74             return strResult; 75  76         } 77  78         public string POST_Request( 79             string strUrl, 80             string postDataStr, 81             CookieContainer _cookie = null, 82             string strHost = "", 83             string strRefer = "", 84             string strOrigin = "", 85             Dictionary
      
        lstHeads = null, 86             string strEncoding = "utf-8", 87             string strContentType = "", 88             string strAccept = "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8", 89             string strUserAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36", 90             bool blnAllowAutoRedirect = true, 91             int intTimeout = 1000 * 30) 92         { 93             HttpWebRequest request; 94             HttpWebResponse response; 95             request = (HttpWebRequest)WebRequest.Create(strUrl); 96             request.Accept = strAccept; 97             request.Timeout = intTimeout; 98             request.Method = "POST"; 99             request.Host = strHost;100             request.UserAgent = strUserAgent;101             if (_cookie != null)102             {103                 request.CookieContainer = _cookie;104             }105             request.AllowAutoRedirect = blnAllowAutoRedirect;106             if (!string.IsNullOrEmpty(strContentType))107             {108                 request.ContentType = strContentType;109             }110             if (!string.IsNullOrEmpty(strOrigin))111             {112                 request.Headers.Add("Origin", strOrigin);113             }114             if (!string.IsNullOrEmpty(strRefer))115             {116                 request.Referer = strRefer;117             }118             if (!string.IsNullOrEmpty(strHost))119             {120                 request.Host = strHost;121             }122             if (lstHeads != null && lstHeads.Count > 0)123             {124                 foreach (var item in lstHeads)125                 {126                     request.Headers.Add(item.Key, item.Value);127                 }128             }129             if (!string.IsNullOrEmpty(postDataStr))130             {131                 request.ContentLength = postDataStr.Length;132                 Stream myRequestStream = request.GetRequestStream();133                 StreamWriter myStreamWriter = new StreamWriter(myRequestStream);134                 myStreamWriter.Write(postDataStr);135                 myStreamWriter.Close();136             }137 138             response = (HttpWebResponse)request.GetResponse();139             var sr = new StreamReader(response.GetResponseStream(), Encoding.GetEncoding(strEncoding));140             string strResult = sr.ReadToEnd();141             sr.Close();142             request.Abort();143             response.Close();144             return strResult;145         }146 147         private string DownloadFile(148             string strURLAddress,149             string strPath,150             CookieContainer _cookie = null,151             string strHost = "",152             string strRefer = "",153             string strOrigin = "",154             Dictionary
       
         lstHeads = null,155             string strAccept = "",156             string strUserAgent = "")157         {158             try159             {160                 // 设置参数161                 HttpWebRequest request = WebRequest.Create(strURLAddress) as HttpWebRequest;162                 if (!string.IsNullOrEmpty(strAccept))163                 {164                     request.Accept = strAccept;165                 }166                 if (!string.IsNullOrEmpty(strUserAgent))167                 {168                     request.UserAgent = strUserAgent;169                 }170                 if (_cookie != null)171                 {172                     request.CookieContainer = _cookie;173                 }174                 if (!string.IsNullOrEmpty(strOrigin))175                 {176                     request.Headers.Add("Origin", strOrigin);177                 }178                 if (!string.IsNullOrEmpty(strRefer))179                 {180                     request.Referer = strRefer;181                 }182                 if (!string.IsNullOrEmpty(strHost))183                 {184                     request.Host = strHost;185                 }186                 if (lstHeads != null && lstHeads.Count > 0)187                 {188                     foreach (var item in lstHeads)189                     {190                         request.Headers.Add(item.Key, item.Value);191                     }192                 }193                 //发送请求并获取相应回应数据194                 HttpWebResponse response = request.GetResponse() as HttpWebResponse;195                 string strReceivePath = string.Empty;196 197                 //直到request.GetResponse()程序才开始向目标网页发送Post请求198                 Stream responseStream = response.GetResponseStream();199                 //创建本地文件写入流200                 Stream stream = new FileStream(strPath, FileMode.Create);201                 byte[] bArr = new byte[1024];202                 int size = responseStream.Read(bArr, 0, (int)bArr.Length);203                 while (size > 0)204                 {205                     stream.Write(bArr, 0, size);206                     stream.Flush();207                     size = responseStream.Read(bArr, 0, (int)bArr.Length);208                 }209                 stream.Close();210                 responseStream.Close();211                 return strPath;212             }213             catch (Exception ex)214             {215                 return "";216             }217         }218 219     }220 }