要求:tkinter设置窗口在屏幕中间显示
sw = window.winfo_screenwidth()
#得到屏幕宽度
sh = window.winfo_screenheight()
#得到屏幕高度
ww = 610
wh = 400
x = (sw-ww) / 2
y = (sh-wh) / 2
window.geometry("%dx%d+%d+%d" %(ww,wh,x,y))
sw = window.winfo_screenwidth()
#得到屏幕宽度
sh = window.winfo_screenheight()
#得到屏幕高度
ww = 610
wh = 400
x = (sw-ww) / 2
y = (sh-wh) / 2
window.geometry("%dx%d+%d+%d" %(ww,wh,x,y))