python编程-14：tkinter绘制接收事件的图形

\

源码：

1. from tkinter import *
2.  
3. def main():   
4.     tk = Tk()
5.     canvas = Canvas(tk, width = 400, height = 400)
6.     canvas.pack()
7.  
8.     def moverectangle(event):
9.         if event.keysym == "Up":
10.             canvas.move(1,0,-5)
11.         elif event.keysym == "Down":
12.             canvas.move(1,0,5)
13.         elif event.keysym == "Left":
14.             canvas.move(1,-5,0)
15.         elif event.keysym == "Right":
16.             canvas.move(1,5,0)
17.          
18.     canvas.create_rectangle(180,180,220,220,fill="red")
19.     canvas.bind_all("",moverectangle)
20.     canvas.bind_all("",moverectangle)
21.     canvas.bind_all("",moverectangle)
22.     canvas.bind_all("",moverectangle)
23.  
24. if __name__ == '__main__':
25.     main()

\

原文地址： www.icourse163.org/learn/BIT-2…

\

\