1 import tkinter as tk
2
3 # 实例化一个窗口对象
4 window = tk.Tk()
5 # 设置title
6 window.title('my window')
7 # 设置大小,XxY的字符串格式
8 window.geometry('600x400')
9
10 l = tk.Label(window, bg='yellow', width=100, text='empty')
11 l.pack()
12
13 def print_selection():
14 # 根据var.get到的数字做判断,通过l.config传递给label
15 if var1.get() and var2.get():
16 l.config(text='i love both')
17 elif var1.get() or var2.get():
18 text = 'Python' if var1.get() else 'C++'
19 l.config(text='i love ' + text)
20 else:
21 l.config(text='i don\'t like either')
22
23
24 var1 = tk.IntVar() # 接收到的value是数字
25 var2 = tk.IntVar()
26 c1 = tk.Checkbutton(window,text='Python',variable=var1,onvalue=1,offvalue=0,
27 command=print_selection)
28 # checkbutton onvalue=1,offvalue=0 -> 选中状态value=1,没选中value=0 , variable=var1 -> value传递给var1
29 c2 = tk.Checkbutton(window,text='C++',variable=var2,onvalue=1,offvalue=0,
30 command=print_selection)
31 c1.pack()
32 c2.pack()
33
34 window.mainloop() # 循环显示
标签：var1,get,text,value,复选框,window,tk,tkinter From： https://www.cnblogs.com/kunshanpipixia/p/17872436.html