tkinter 04 Radiobutton 选择按钮

Posted 2020-10-31 jkn1234

•  运行结果：http://ww1.sinaimg.cn/large/de060ec1ly1fqedlvhm4ag20fe09eaaf.gif

• # coding=gbk
  # 注意：选中按钮时执行下面的命令，config意为配置
  #       lable.config(text = "you have selected " + var.get())
  # 运行结果：http://ww1.sinaimg.cn/large/de060ec1ly1fqedlvhm4ag20fe09eaaf.gif
  import tkinter
  window = tkinter.Tk()
  window.title("jkn1234")
  window.geometry("500x500")
  
  var = tkinter.StringVar()
  lable = tkinter.Label(
      window,
      bg = ‘yellow‘,
      height = 6,
      text = ‘empty‘
  )
  def print_selection():
      lable.config(text = "you have selected " + var.get())
  lable.pack()
  
  radiobutton1 = tkinter.Radiobutton(
      window,
      variable = var, value = ‘A‘,#点击按钮时将按钮var的值设置为‘A’
      text = "option A",
      command = print_selection
  )
  radiobutton1.pack()
  radiobutton2 = tkinter.Radiobutton(
      window,
      variable = var, value = ‘B‘,#点击按钮时将按钮var的值设置为‘B’
      text = "option B",
      command = print_selection
  )
  radiobutton2.pack()
  window.mainloop()