python中Tkinter复选框Checkbutton是否被选中判断

>>> import tkinter as tk
>>> 
>>> window = tk.Tk()
>>> var = tk.BooleanVar()
>>> def get_var():
	print(var.get())
 
	
>>> cb = tk.Checkbutton(window, text="debug", variable=var, command=get_var)
>>> cb.pack()
>>> window.mainloop()
True
False
True
False
True

from tkinter import Tk,Checkbutton

main_win = Tk()
main_win.title('渔道的checkbutton控件')
width = 300 
height = 300 
main_win.geometry(f'{width}x{height}')

chkbt = Checkbutton(main_win, text='python', bg='yellow', fg='red', bd=10, relief='raised', underline=0, command=test_cb)
chkbt2 = Checkbutton(main_win, text='python', bg='yellow', fg='red', bd=5, relief='raised')
chkbt.pack()
chkbt2.pack()

print(chkbt['state'])		# 输出 normal
chkbt['state'] = 'disabled' # 将chkbt设置为 不可操作状态,整个checkbutton变成灰色状态

print(chkbt['variable'])	# 输出 !checkbutton
chkbt['variable'] = 'checkbutton_yudao'
print(chkbt['variable'])    # 输出 checkbutton_yudao

main_win.mainloop()

from tkinter import Tk,Checkbutton

main_win = Tk()
main_win.title('渔道的checkbutton控件')
width = 300 
height = 300 
main_win.geometry(f'{width}x{height}')

chkbt = Checkbutton(main_win, text='python', bg='yellow', fg='red', bd=10, relief='raised', underline=0, command=test_cb)
chkbt2 = Checkbutton(main_win, text='python', bg='yellow', fg='red', bd=5, relief='raised')
chkbt.pack()
chkbt2.pack()

print(chkbt['state'])		# 输出 normal
chkbt['state'] = 'disabled' # 将chkbt设置为 不可操作状态,整个checkbutton变成灰色状态

print(chkbt['variable'])	# 输出 !checkbutton
chkbt['variable'] = 'checkbutton_yudao'
print(chkbt['variable'])    # 输出 checkbutton_yudao

main_win.mainloop()

from tkinter import Tk,Checkbutton

main_win = Tk()
main_win.title('渔道的checkbutton控件')
width = 300 
height = 300 
main_win.geometry(f'{width}x{height}')

def test_cb():
    print(lan_c['state'])
    print(lan_c['variable'])
    print(lan_c['tristatevalue'])
    print(lan_c['onvalue'])
    print(lan_c['offvalue'])
    
lan_python      = Checkbutton(main_win, text='python',      bg='yellow') 
lan_c           = Checkbutton(main_win, text='c',           bg='blue', command=test_cb, relief='raised', bd=5) 
lan_c_plus_plus = Checkbutton(main_win, text='c++',         bg='yellow', underline=0) 
lan_java        = Checkbutton(main_win, text='java',        bg='blue') 
lan_php         = Checkbutton(main_win, text='php',         bg='yellow') 
lan_html5       = Checkbutton(main_win, text='html5',       bg='blue') 
lan_js          = Checkbutton(main_win, text='javascript',  bg='yellow') 

# 左对齐
lan_python.pack(anchor='w')
lan_c.pack(anchor='w')
lan_c_plus_plus.pack(anchor='w')
lan_java.pack(anchor='w')
lan_php.pack(anchor='w')
lan_html5.pack(anchor='w')
lan_js.pack(anchor='w')

lan_c_plus_plus.select()	# 将lan_c_plus_plus设置为选中状态
lan_c_plus_plus.deselect()	# 将lan_c_plus_plus设置为未选中状态
lan_c_plus_plus.toggle()	# 切换lan_c_plus_plus的状态

main_win.mainloop()