用tkinter button创建了6个数字键盘用来输入,如何实现用这6个button给左边的三个entry输入框输入数字?要求给其中一个输入框的时候其他两个输入框不输入。
import tkinter as tk
from tkinter import ttk
win = tk.Tk()
win.title('配方计算系统')
win.geometry('600x350+400+200')
x = tk.Label(win, text='请输入增减量:')
x.grid(row=0, column=0)
xx = tk.Entry(win).grid(row=0, column=1, columnspan=5)
zz = tk.Entry(win).grid(row=1, column=1, columnspan=5)
cc = tk.Entry(win).grid(row=2, column=1, columnspan=5)
aj1 = tk.Button(win, text='1', width=3, height=2, font=1)
aj1.grid(row=3, column=7, ipadx=5)
aj2 = tk.Button(win, text='2', width=3, height=2, font=1)
aj2.grid(row=3, column=8, ipadx=5)
aj3 = tk.Button(win, text='3', width=3, height=2, font=1)
aj3.grid(row=3, column=9, ipadx=5)
aj4 = tk.Button(win, text='4', width=3, height=2, font=1)
aj4.grid(row=4, column=7, ipadx=5)
aj5 = tk.Button(win, text='5', width=3, height=2, font=1)
aj5.grid(row=4, column=8, ipadx=5)
aj6 = tk.Button(win, text='6', width=3, height=2, font=1)
aj6.grid(row=4, column=9, ipadx=5)
win.mainloop()