遍历指定目录下的文件\Debug\Listlist.bsc
....................\.....\Listlist.exe
....................\.....\Listlist.ilk
....................\.....\Listlist.obj
....................\.....\Listlist.pch
....................\.....\Listlist.pdb
....................\.....\Listlist.sbr
....................\.....\StdAfx.obj
....................\.....\StdAfx.sbr
....................\.....\vc60.idb
....................\.....\vc60.pdb
....................\Listlist.cpp
....................\Listlist.dsp
....................\Listlist.dsw
....................\Listlist.ncb
....................\Listlist.opt
....................\Listlist.plg
....................\ReadMe.txt
....................\StdAfx.cpp
....................\StdAfx.h
....................\Debug
遍历指定目录下的文件