本文共 2445 字，大约阅读时间需要 8 分钟。

自定义一个方法

public static string MapPath(string strPath)   {   if (System.Web.HttpContext.Current != null)   {   return System.Web.HttpContext.Current.Server.MapPath(strPath);   }   else //非web程序引用   {   strPath = strPath.Replace("/", "");   strPath = strPath.Replace("~", "");   if (strPath.StartsWith("\\"))   {   strPath = strPath.TrimStart('\\');   }   return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath);   }   }

 

-------------------------------------------------------------------------------------------------------------------------------

 

   private HttpWebRequest CreateRequest(string path, string queryString = null)

        {             if (!string.IsNullOrWhiteSpace(queryString) && !queryString.StartsWith("?"))                 queryString = "?" + queryString;

            var url = new Uri(BaseUrl, path + queryString).AbsoluteUri;

            var request = (HttpWebRequest)WebRequest.Create(url);

            request.Headers["Authorization"] = AuthorizationKey;

            request.Timeout = TimeoutSeconds == System.Threading.Timeout.Infinite ? TimeoutSeconds : TimeoutSeconds * 1000;

            return request;

        }

        public bool SaveResponseContentToCSV(String path, String queryString = null)

        {             var request = CreateRequest(path, queryString);             var requestTrace = string.Empty;

            using (var response = (HttpWebResponse)request.GetResponse())

            {                 try                 {                     var fileType = response.ContentType;                     var index = response.Headers["Content-Disposition"].IndexOf("=") + 1;                     var fileName = response.Headers["Content-Disposition"].Substring(index);

                    Stream respStream = response.GetResponseStream();

                    int length = (int)response.ContentLength;                     BinaryReader br = new BinaryReader(respStream);                     FileStream fs;                     //var localFilePath = System.Web.HttpContext.Current.Server.MapPath("\\dailyClickActivity" + "\\" + System.DateTime.Now.ToLongTimeString());                     //AppDomain.CurrentDomain.BaseDirectory                     var localFilePath = System.IO.Path.Combine(Environment.CurrentDirectory, "/dailyClickActivity" + "/" + System.DateTime.Now.ToString("yyyyMMdd"));                     if (!Directory.Exists(localFilePath))                         Directory.CreateDirectory(localFilePath);

                    fs = File.Create(string.Format("{0}/{1}", localFilePath, fileName));

                    fs.Write(br.ReadBytes(length), 0, length);

                    br.Close();

                    fs.Close(); 

                    return true;

                }                 catch (Exception ex)                 {                     requestTrace += ex.Message;                     throw;                 }                 finally                 {                     //TracerLogger.Log(requestTrace, EventLogEntryType.Information, Constants.RoleNameAdFabricClick);                     Console.WriteLine(string.Format("{0},{1},{2}", requestTrace, EventLogEntryType.Information, Constants.RoleNameAdFabricClick));

                }

            }         }

 

转载地址：http://qojab.baihongyu.com/