C# 删除文件夹里的内容

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/// <summary>      /// 删除文件夹下的文件      /// </summary>      /// <param name="FolderName">文件夹路径</param>      private void clearFolder(string FolderName)      {          try          {                DirectoryInfo dir = new DirectoryInfo(FolderName);              foreach (FileInfo fi in dir.GetFiles())              {                  fi.Delete();              }              foreach (DirectoryInfo di in dir.GetDirectories())              {                  clearFolder(di.FullName);                  di.Delete();              }          }          catch (Exception ex)          {              LogHelper.WriteLog(GetType(), "clearFolder异常错误为"+ex.Message);          }      }