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#! /usr/bin/env python #coding=utf-8 from Tkinter import * class LabelDemo( Frame ): """Demonstrate Labels""" def __init__( self ): """Create three Labels and pack them""" Frame.__init__( self ) # initializes Frame instance # frame fills all available space self .pack( expand = YES, fill = BOTH ) self .master.title( "Labels" ) self .Label1 = Label( self , text = "Label with text" ) # resize frame to accommodate Label self .Label1.pack() self .Label2 = Label( self , text = "Labels with text and a bitmap" ) # insert Label against left side of frame self .Label2.pack( side = LEFT ) # using default bitmap image as label self .Label3 = Label( self , bitmap = "warning" ) self .Label3.pack( side = LEFT ) def main(): LabelDemo().mainloop() # starts event loop if __name__ = = "__main__" : main() |
注意一下,添加组件的时候,下面这一行代码还是不能少的,笔者也是刚刚接触,说错了大家别喷。
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如果取消这一行的话,其他的组件不能显示。