GUI
from tkinter import * import tkinter.messagebox as messagebox class 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' messagebox.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()