C# 获取当前目录上一级目录
string path="D:\AA\BB\CC";
Directory.SetCurrentDirectory(Directory.GetParent(path).FullName);
path = Directory.GetCurrentDirectory();
// path:"D:\AA\BB"
string path="D:\AA\BB\CC";
Directory.SetCurrentDirectory(Directory.GetParent(path).FullName);
path = Directory.GetCurrentDirectory();
// path:"D:\AA\BB"