from Tkinter import*
window=Tk()
counter=IntVar()
counter.set(0)
def click(variable,value):
variable.set(variable.get()+value)
frame=Frame(window)
frame.pack()
button1=Button(frame,text='UP',command=lambda:click(counter,1))
button1.pack()
button2=Button(frame,text='DOWN',command=lambda:click(counter,-1))
button2.pack()
label=Label(frame,textvariable=counter)
label.pack()
window.mainloop()
点击按钮改变标签内容(采用lambda函数方式)
最新推荐文章于 2024-08-10 21:20:14 发布