python核心程式設計-GUI程式之標籤,按鈕,進度條
阿新 • • 發佈:2019-01-30
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
from Tkinter import *
def resize(ev=None):
label.config(font='Helvetica -%d bold' % scale.get())
top = Tk()
top.geometry()
label = Label(top, text = 'hello world!', font = 'Helvetica -12 bold')
label.pack(fill=Y,expand=1)
scale = Scale(top, from_=10 , to=40, orient=HORIZONTAL, command=resize)
scale.set(12)
scale.pack(fill=X, expand=1)
quit = Button(top, text="QUIT", command=top.quit, activeforeground='white', activebackground='red')
quit.pack()
mainloop()
輸出