eg89以整数方式读写流文件\d.dat
........................\Debug\eg89.exe
........................\.....\eg89.obj
........................\.....\eg89.pdb
........................\.....\vc60.pdb
........................\eg89.cpp
........................\eg89.dsp
........................\eg89.dsw
........................\eg89.ncb
........................\eg89.opt
........................\eg89.plg
........................\Debug
eg89以整数方式读写流文件