python gui怎么用

import Tkinterfrom Tkinter import *

# -*- coding:UTF-8 -*-

# 导入 Tkinter 库

import Tkinter

from Tkinter import * 

def gui_window(w=500, h=300):   

    ws = root.winfo_screenwidth()   

    hs = root.winfo_screenheight()   

    x = (ws / 2) - (w / 2)   

    y = (hs / 2) - (h / 2)   

    root.geometry("%dx%d+%d+%d" % (w, h, x, y))

root = Tkinter.Tk(className='welcome gui')

gui_window(800, 500)

list_li = ['hadoop', 'python', 'hive', 'spark', 'yarn', 'hbase']

listb = Listbox(root)  # 创建两个列表组件

for k in list_li:  # 第一个小部件插入数据   

    listb.insert(0, k)

listb.pack()  # 将小部件放置到主窗口中

root.mainloop()  # 进入消息循环