every file is an example
........................\QT排序对话框
........................\............\main.cpp
........................\............\sort.pro
........................\............\sortdialog.ui
........................\............\sortdialog.ui.h
........................\QT锁定单元格对话框
........................\..................\gotocell.pro
........................\..................\gotocelldialog.ui
........................\..................\gotocelldialog.ui.h
........................\..................\main.cpp
........................\Qt查找对话框
........................\............\find.pro
........................\............\finddialog.cpp
........................\............\finddialog.h
........................\............\main.cpp
........................\qt中数据库的建立与连接
........................\......................\artistcombobox.cpp
........................\......................\artistcombobox.h
........................\......................\artistform.cpp
........................\......................\artistform.h
........................\......................\cdcollection.pro
........................\......................\cdform.cpp
........................\......................\cdform.h
........................\......................\connection.h
........................\......................\generateid.h
........................\......................\main.cpp
........................\......................\mainform.cpp
........................\......................\mainform.h
........................\qt创建电子表格软件
........................\..................\cell.cpp
........................\..................\cell.h
........................\..................\finddialog.cpp
........................\..................\finddialog.h
........................\..................\gotocelldialog.ui
........................\..................\gotocelldialog.ui.h
........................\..................\images
........................\..................\......\Thumbs.db
........................\..................\......\copy.png
........................\..................\......\cut.png
........................\..................\......\delete.png
........................\..................\......\find.png
........................\..................\......\gotocell.png
........................\..................\......\icon.png
........................\..................\......\new.png
........................\..................\......\open.png
........................\..................\......\paste.png
........................\..................\......\save.png
........................\..................\main.cpp
........................\..................\mainwindow.cpp
........................\..................\mainwindow.h
........................\..................\sortdialog.ui
........................\..................\sortdialog.ui.h
........................\..................\spreadsheet.cpp
........................\..................\spreadsheet.h
........................\..................\spreadsheet.pro