tkinter之Checkbutton

from tkinter import *

win = Tk()
win.title("逻辑网")
win.geometry('500x200')
win.resizable(0, 0)
lb = Label(text='逻辑网', font=('微软雅黑', 18, 'bold'), fg='#CD7054')
lb.pack()
win.iconbitmap('../image/icon.ico')
# 新建整型变量
CheckVar1 = IntVar()
CheckVar2 = IntVar()
CheckVar3 = IntVar()
# 设置三个复选框控件，使用variable参数来接收变量
check1 = Checkbutton(win, text="Python", font=('微软雅黑', 15, 'bold'), variable=CheckVar1, onvalue=1, offvalue=0)
check2 = Checkbutton(win, text="C语言", font=('微软雅黑', 15, 'bold'), variable=CheckVar2, onvalue=1, offvalue=0)
check3 = Checkbutton(win, text="Java", font=('微软雅黑', 15, 'bold'), variable=CheckVar3, onvalue=1, offvalue=0)
# 选择第一个为默认选项
# check1.select ()
check1.pack(side=LEFT)
check2.pack(side=LEFT)
check3.pack(side=LEFT)


# 定义执行函数
def study():
    # 没有选择任何项目的情况下
    if CheckVar1.get() == 0 and CheckVar2.get() == 0 and CheckVar3.get() == 0:
        s = '您还没选择任语言'
    else:
        s1 = "Python" if CheckVar1.get() == 1 else ""
        s2 = "C语言" if CheckVar2.get() == 1 else ""
        s3 = "Java" if CheckVar3.get() == 1 else ""
        s = "您选择了%s %s %s" % (s1, s2, s3)
    # 设置标签lb2的字体
    lb2.config(text=s)


btn = Button(win, text="选好了", bg='#BEBEBE', command=study)
btn.pack(side=LEFT)
# 该标签，用来显示选择的文本
lb2 = Label(win, text='', bg='#9BCD9B', font=('微软雅黑', 11, 'bold'), width=5, height=2)
lb2.pack(side=BOTTOM, fill=X)
# 显示窗口
win.mainloop()