/// <summary>/// 根據給出的相對地址獲取網站絕對地址/// </summary>/// <param name="localPath">相對地址</param>/// <returns>絕對地址</returns>public static string GetWebPath(string localPath){  string path = HttpContext.Current.Request.ApplicationPath;  string thisPath;  string thisLocalPath;  //如果不是根目錄就加上"/" 根目錄自己會加"/"  if (path != "/")  { thisPath = path + "/";  }  else  { thisPath = path;  }  if (localPath.StartsWith("~/"))  { thisLocalPath = localPath.Substring(2);  }  else  { return localPath;  }  return thisPath + thisLocalPath;}