基于QMl编写的侧边导航栏，主要是使用了tabwidget实现的方式
资源文件列表
QNavigationWidget-master/.gitignore , 349
QNavigationWidget-master/LICENSE , 35141
QNavigationWidget-master/QNavigationWidget.pro , 401
QNavigationWidget-master/README.md , 86
QNavigationWidget-master/main.cpp , 203
QNavigationWidget-master/mainwindow.cpp , 1148
QNavigationWidget-master/mainwindow.h , 459
QNavigationWidget-master/qnavigationwidget.cpp , 2196
QNavigationWidget-master/qnavigationwidget.h , 832
QNavigationWidget-master/screenshot.gif , 156009