自制带有关闭按钮的标签，多个排列控制一下就可以替换掉CTabCtrl的默认的标签表头，达到界面美工目的,还有图片三态按钮，LIST控件等其他控件的类封装源码,程序里可能没有全部用上,但也一并附上,希望对一些朋友能有所帮助.-Homemade with a close button s label, multiple alignment control what you can replace the default label CTabCtrl header, the other control

QT5下通过按钮控件控制QtabWidget的在界面上出现的数目，适合初学者学习，也可以在此基础上增加更多的功能。-Under QT5 number appears on the screen by button controls Qtablewidget control, suitable for beginners to learn, you can also add more functions on this basis.