文件的读写\CardCardMessage.txt ..........\Project1.bpr ..........\Project1.cpp ..........\Project1.exe ..........\Project1.obj ..........\Project1.res ..........\Project1.tds ..........\Project1.~bpr ..........\Unit1.cpp ..........\Unit1.ddp ..........\Unit1.dfm ..........\Unit1.h ..........\Unit1.obj ..........\Unit1.~cpp ..........\Unit1.~ddp ..........\Unit1.~dfm ..........\Unit1.~h 文件的读写