tkinter 06 Checkbutton 勾选项

• ```
  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()

原文链接: https://www.cnblogs.com/jkn1234/p/8856688.html

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