import tkinter
win = tkinter.Tk()
win.title("银行系统")
win.geometry("800x600+600+100")
#<Key> 响应键盘按下事件
#focus_set()焦点设置
label=tkinter.Label(win,text="请输入要查询的按钮")
entry=tkinter.Entry(win)
#label.focus_set()
label.pack()
def func(event):
print("event.char=",event.char)
print("event.keycode=",event.keycode)
entry.bind("<Key>",func)#键盘事件
entry.focus_set()#设置焦点
entry.pack()
win.mainloop()