功能齐全的qt框架显示程序，各种滚动条，电量显示条，按钮，音频声波显示条-Fully functional qt framework to display program, a variety of scroll bars, battery indicator, buttons, audio acoustic show

通过一个非常简单的程序来开始学习QT，了解QT的基本程序框架结构-Through a very simple program to start learning QT, QT understand the basic program framework