python 创建一个窗口

import tkinter as tk

 

win = tk.Tk()

win.title("Python GUI") #窗口的标题

win.mainloop()

 

 

 

**增加按钮，显示标签

 

import tkinter as tk

from tkinter import ttk

 

def click_me（）:

 

　　a.configure(text = "Hello World")

 

 

win = tk.Tk()

win.title("Python GUI")   #窗口的标题

a_label = ttk.Label(t,text = "Welcome")  #设置一个标签

a_label.grid(column=0,row=0)

 

button = ttk.Button(win,text = "Click Me!",command = click_me) #增加按钮

 

button.grid(column = 1, row =  0)

 

 

 

win.mainloop()