tkinter复选框 

 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

 

posted @ 2023-12-02 23:06  昆山皮皮虾  阅读(61)  评论(0)    收藏  举报