python tkinter 常用组件封装

""" wrap up widget construction in functions for easier use, making some assumptions (e.g., expansion); use extras kw args for width, font/color """

from tkinter import *

def frame(root, side=TOP, extras): widget = Frame(root) widget.pack(side=side, expand=YES, fill=BOTH) if extras: widget.config(extras) return widget

def label(root, side, text, extras): widget = Label(root, text=text, relief=RIDGE) # default config widget.pack(side=side, expand=YES, fill=BOTH) # pack automatically if extras: widget.config(extras) # apply any extras return widget

def button(root, side, text, command, extras): widget = Button(root, text=text, command=command) widget.pack(side=side, expand=YES, fill=BOTH) if extras: widget.config(extras) return widget

def entry(root, side, linkvar, extras): widget = Entry(root, relief=SUNKEN, textvariable=linkvar) widget.pack(side=side, expand=YES, fill=BOTH) if extras: widget.config(extras) return widget

if name == 'main': app = Tk() frm = frame(app, TOP) # much less code required here! label(frm, LEFT, 'SPAM') button(frm, BOTTOM, 'Press', lambda: print('Pushed')) mainloop()