:Ŀ¼

ʽ:DirectoryResetName(f0,name)

f0:ΪַԴĿ¼·
name:Ϊַ,Ϊ·

˵:ִϷһ±־
(1)4ʾf0Ŀ¼
(2)2ʾĿ¼Ѿ
(3)1ʾɹ
(4)0ʾʧ