文件的读写\Debug\jun.exe
..........\.....\jun.ilk
..........\.....\jun.obj
..........\.....\jun.pch
..........\.....\jun.pdb
..........\.....\vc60.idb
..........\.....\vc60.pdb
..........\hu.txt
..........\jun.cpp
..........\jun.dsp
..........\jun.dsw
..........\jun.ncb
..........\jun.opt
..........\jun.plg
..........\Debug
文件的读写