路径操作

1、获取父路径

result = System.IO.Directory.GetParent(result).ToString();

2、截取

\\E:\\BTSData\\2019-11 => 2019-11
result = result.Substring(result.LastIndexOf('\\')+1);

3、分割

string[] titles = result.Split('_');

 4、路径常规操作

string fileName = System.IO.Path.GetFileNameWithoutExtension(result);