第6章  Graphics View
....................\butterfly
....................\.........\butterfly
....................\.........\butterfly.cpp
....................\.........\butterfly.exe
....................\.........\butterfly.h
....................\.........\butterfly.pro
....................\.........\butterfly.qrc
....................\.........\images
....................\.........\......\butterfly1.PNG
....................\.........\......\butterfly2.PNG
....................\.........\main.cpp
....................\.........\Makefile
....................\.........\Makefile.Release
....................\items
....................\.....\graphicsitem.cpp
....................\.....\graphicsitem.h
....................\.....\graphicsitem.qrc
....................\.....\images
....................\.....\......\butterfly.png
....................\.....\......\image.png
....................\.....\items
....................\.....\items.exe
....................\.....\items.pro
....................\.....\main.cpp
....................\.....\mainwidget.cpp
....................\.....\mainwidget.h
....................\.....\Makefile
....................\.....\Makefile.Release
....................\itemtransform
....................\.............\images
....................\.............\......\rotate.png
....................\.............\items.cpp
....................\.............\items.h
....................\.............\itemtransform
....................\.............\itemtransform.exe
....................\.............\itemtransform.pro
....................\.............\itemtransform.qrc
....................\.............\main.cpp
....................\.............\mainwidget.cpp
....................\.............\mainwidget.h
....................\.............\Makefile
....................\.............\Makefile.Release
....................\mapwidget
....................\.........\images
....................\.........\......\zoomin.png
....................\.........\......\zoomout.png
....................\.........\main.cpp
....................\.........\Makefile
....................\.........\Makefile.Release
....................\.........\map.png
....................\.........\maps.txt
....................\.........\mapwidget
....................\.........\mapwidget.cpp
....................\.........\mapwidget.exe
....................\.........\mapwidget.h
....................\.........\mapwidget.pro
....................\.........\mapwidget.qrc
....................\.........\mapwidget_zh.qm
....................\.........\mapwidget_zh.ts