这应该工作:
...btnaText='ButtonA'btna = Button(root, text = btnaText, command = lambda: sayHi(btnaText))btna.pack()
有关更多信息,请查看Tkinter回调

这应该工作:
...btnaText='ButtonA'btna = Button(root, text = btnaText, command = lambda: sayHi(btnaText))btna.pack()
有关更多信息,请查看Tkinter回调