tkinter 05 Scale 尺度

Posted 2020-10-31 jkn1234

•  

  运行结果：https://s1.ax1x.com/2018/04/16/Cewt6P.gif

• # coding=gbk
  # 注意：Sacle尺度会自动将尺度值传给print_selection的行参v
  # 运行结果：https://s1.ax1x.com/2018/04/16/Cewt6P.gif
  import tkinter as tk
  
  window = tk.Tk()
  window.title(‘my window‘)
  window.geometry(‘200x200‘)
  
  l = tk.Label(window, bg=‘yellow‘, width=20, text=‘empty‘)
  l.pack()
  
  # Sacle尺度会自动将尺度值传给print_selection的行参v
  def print_selection(v):
      l.config(text=‘you have selected ‘ + v)
  
  s = tk.Scale(window, label=‘try me‘, from_=5, to=11,
               orient=tk.VERTICAL,# 设置滚动条的方向,纵向
               length=200, # 长度为200个像素
               showvalue=1,# 进度条上方显示值
               tickinterval=2,# 坐标间隔为2，5.00,7.00,9.00,11.00
               resolution=0.01,# 保留2位小数
               command=print_selection
  )
  s.pack()
  
  window.mainloop()