Scale 尺度
-scale部件
-触发功能
需求:
import tkinter as tk
window = tk.Tk()
window.title('my window')
window.geometry('200x200')
var = tk.StringVar()
l = tk.Label(window,bg='yellow',width=20,text = 'empty')
l.pack()
def print_selection(v):
l.config(text = 'u have select:' + v)
s = tk.Scale(window,label='try me',from_=5,to=11,orient=tk.HORIZONTAL,length=200,showvalue=1,tickinterval=2,resolution=0.01,command=print_selection)
s.pack()
window.mainloop()