# ------------------------------------------------分割线-------------------------------------------------

'''

# ------------------------------------------------------------

# # 1、Checkbutton设定勾选选项

# # #

# ------------------------------------------------------------

'''

# import tkinter as tk

#

# window = tk.Tk()

# window.title("class7_Checkbutton 勾选项 ")

# window.geometry('300x400')

#

# c1 = tk.Checkbutton(window, text='C')

# c1.pack()

#

# c2 = tk.Checkbutton(window, text='C++')

# c2.pack()

#

# c3 = tk.Checkbutton(window, text='python')

# c3.pack()

#

# tk.mainloop()

#

#

# ------------------------------------------------分割线-------------------------------------------------

'''

# ------------------------------------------------------------

# # 2、Checkbutton设定勾选选项 + 标签

# # #

# ------------------------------------------------------------

'''

# import tkinter as tk

#

# window = tk.Tk()

# window.title("class7_Checkbutton 勾选项 ")

# window.geometry('300x400')

#

# # 标签

# l1 = tk.Label(window, text='empty', width=40, bg='yellow')

# l1.pack()

#

# # 勾选项

# c1 = tk.Checkbutton(window, text='C')

# c1.pack()

#

# c2 = tk.Checkbutton(window, text='C++')

# c2.pack()

#

# c3 = tk.Checkbutton(window, text='python')

# c3.pack()

#

# tk.mainloop()

#

# ------------------------------------------------分割线-------------------------------------------------

'''

# ------------------------------------------------------------

# # 3、Checkbutton设定勾选选项 + 标签（显示选项内容）

# # #

# ------------------------------------------------------------

'''

# import tkinter as tk

#

# def print_selection():

#     global var1, var2, var3, l1

#     if( (var1.get()==True) and (var2.get()==False) and (var3.get()==False) ):

#         l1.config(text='C')

#     elif(var1.get()==False and var2.get()==True and var3.get()==False):

#         l1.config(text='C++')

#     elif( (var1.get()==False) and (var2.get()==False) and (var3.get()==True) ):

#         l1.config(text='python')

#     else:

#         l1.config(text='Not easy for me')

#

#

# window = tk.Tk()

# window.title("class7_Checkbutton 勾选项 ")

# window.geometry('300x400')

#

# # 标签

# l1 = tk.Label(window, text='empty', width=40, bg='yellow')

# l1.pack()

#

# var1 = tk.IntVar()

# var2 = tk.IntVar()

# var3 = tk.IntVar()

# # 勾选项

# # onvalue 打勾的值是 True
# # False   不打勾的值是 False
# # 将对应的值赋值给 variable

# c1 = tk.Checkbutton(window, text='C',   onvalue=True,   offvalue=False, variable=var1, command=print_selection)

# c1.pack()

#

# c2 = tk.Checkbutton(window, text='C++', onvalue=True,   offvalue=False, variable=var2, command=print_selection)

# c2.pack()

#

# c3 = tk.Checkbutton(window, text='python', onvalue=True, offvalue=False, variable=var3, command=print_selection)

# c3.pack()

#

# tk.mainloop()

#