Qt 计算器\calc
.........\calc.cpp
.........\calc.h
.........\calc.o
.........\calc.pro
.........\main.cpp
.........\main.o
.........\Makefile
.........\moc_calc.cpp
.........\moc_calc.o
.........\moc_pushBtn.cpp
.........\moc_pushBtn.o
.........\pushBtn.cpp
.........\pushBtn.h
.........\pushBtn.o
Qt 计算器