demo2\build
.....\data.db
.....\demo2
.....\demo2.cpp
.....\demo2.h
.....\demo2.o
.....\demo2.png
.....\demo2.pro
.....\demo_base.cpp
.....\demo_base.h
.....\demo_base.o
.....\demo_base.ui
.....\main.cpp
.....\main.o
.....\Makefile
.....\moc_demo_base.cpp
.....\moc_demo_base.o
.....\run
.....\ui2cpp
.....\新文件
.....\未保存文档 1
demo2