读取csv
.......\Debug
.......\.....\dir.csv
.......\.....\Project1.#00
.......\.....\Project1.exe
.......\.....\Project1.map
.......\.....\Project1.obj
.......\.....\Project1.pch
.......\.....\Project1.tds
.......\.....\Unit1.obj
.......\Project1.cbproj
.......\Project1.cbproj.local
.......\Project1.cpp
.......\Project1.res
.......\Unit1.cpp
.......\Unit1.dfm
.......\Unit1.h
.......\__history
.......\.........\Unit1.cpp.~10~
.......\.........\Unit1.cpp.~11~
.......\.........\Unit1.cpp.~2~
.......\.........\Unit1.cpp.~3~
.......\.........\Unit1.cpp.~4~
.......\.........\Unit1.cpp.~5~
.......\.........\Unit1.cpp.~6~
.......\.........\Unit1.cpp.~7~
.......\.........\Unit1.cpp.~8~
.......\.........\Unit1.cpp.~9~
.......\.........\Unit1.dfm.~1~
.......\.........\Unit1.dfm.~2~
.......\.........\Unit1.dfm.~3~
.......\.........\Unit1.h.~1~
.......\.........\Unit1.h.~2~
.......\.........\Unit1.h.~3~