python--图形界面

#!/usr/bin/python# -*- coding: UTF-8 -*-from Tkinter import *import tkMessageBoxclass Application(Frame):    def __init__(self, master=None):        Frame.__init__(self, master)        self.pack()        self.createWidgets()    def createWidgets(self):        self.nameInput = Entry(self)        self.nameInput.pack()        self.alertButton = Button(self, text='Hello', command=self.hello)        self.alertButton.pack()    def hello(self):        name = self.nameInput.get() or 'world'        tkMessageBox.showinfo('Message', 'Hello, %s' % name)app = Application()# 设置窗口标题:app.master.title('Hello World')# 主消息循环:app.mainloop()

运行结果如下：