/// <summary>
    /// 獲得當(dāng)前絕對路徑
    /// </summary>
    /// <param name="strPath">指定的路徑</param>
    /// <returns>絕對路徑</returns>
    public static string GetMapPath(string strPath)
    {
      if (strPath.ToLower().StartsWith("http://"))
      {
        return strPath;
      }
      if (HttpContext.Current != null)
      {
        string path = HttpContext.Current.Server.MapPath("~/" + strPath);
        return path;
      }
      else //非web程序引用
      {
        strPath = strPath.Replace("/", "\\");
        if (strPath.StartsWith("\\"))
        {
          strPath = strPath.Substring(strPath.IndexOf('\\', 1)).TrimStart('\\');
        }
        return System.IO.Path.Combine(AppDomain.CurrentDomain.BaseDirectory, strPath);
      }
    }