tkinter 06 Checkbutton 勾选项

Posted 2020-10-31 jkn1234

•  

  运行结果：https://s1.ax1x.com/2018/04/16/CewO0O.gif

• # coding=gbk
  # 运行结果：https://s1.ax1x.com/2018/04/16/CewO0O.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()
  
  def print_selection():
      if (var1.get() == 1) & (var2.get() == 0):
          l.config(text=‘I love only Python ‘)
      elif (var1.get() == 0) & (var2.get() == 1):
          l.config(text=‘I love only C++‘)
      elif (var1.get() == 0) & (var2.get() == 0):
          l.config(text=‘I do not love either‘)
      else:
          l.config(text=‘I love both‘)
  
  var1 = tk.IntVar()
  var2 = tk.IntVar()
  c1 = tk.Checkbutton(window, text=‘Python‘,
                      variable=var1, onvalue=1, offvalue=0,
                      command=print_selection)
  c2 = tk.Checkbutton(window, text=‘C++‘,
                      variable=var2, onvalue=1, offvalue=0,
                      command=print_selection)
  c1.pack()
  c2.pack()
  
  
  window.mainloop()