（python）使用tkinter+面对对象实现计算器功能

题目要求

使用tkinter+面对对象实现计算器功能

题目要求可以看出这是最简单的计算器，甚至连除法都没有，所以这是最最基本的计算器，进行进行计算后也无法清零
博主格外吧除法添加上去，利用宽为两格的0按钮

源码

import tkinter as tk


class jisuanqi:

    def TK(self):
        self.jisuan = []
        self.win = tk.Tk()
        self.win.title('计算器')
        self.numStringvar = tk.StringVar()
        self.numEntry = tk.Entry(self.win, textvariable=self.numStringvar, width=30)
        self.numEntry.grid(row=0, column=0, columnspan=4)
        self.one_button = tk.Button(self.win, text='1', width=5, command=self.one).grid(row=3, column=0, pady=5)
        self.two_button = tk.Button(self.win, text='2', width=5, command=self.two).grid(row=3, column=1, pady=5)
        self.three_button = tk.Button(self.win, text='3', width=5, command=self.three).grid(row=3, column=2, pady=5)
        self.four_button = tk.Button(self.win, text='4', width=5, command=self.four).grid(row=2, column=0, pady=5)
        self.five_button = tk.Button(self.win, text='5', width=5, command=self.five).grid(row=2, column=1, pady=5)
        self.six_button = tk.Button(self.win, text='6', width=5, command=self.six).grid(row=2, column=2, pady=5)
        self.seven_button = tk.Button(self.win, text='7', width=5, command=self.seven).grid(row=1, column=0, pady=5)
        self.eight_button = tk.Button(self.win, text='8', width=5, command=self.eight).grid(row=1, column=1, pady=5)
        self.nine_button = tk.Button(self.win, text='9', width=5, command=self.nine).grid(row=1, column=2, pady=5)
        self.zero_button = tk.Button(self.win, text='0', width=5, command=self.zero).grid(row=4, column=1, pady=5)
        self.point_button = tk.Button(self.win, text='.', width=5, command=self.point).grid(row=4, column=0, pady=5)
        self.And_button = tk.Button(self.win, text='+', width=5, command=self.And).grid(row=4, column=3, pady=5)
        self.Less_button = tk.Button(self.win, text='-', width=5, command=self.Less).grid(row=3, column=3, pady=5)
        self.Multiplication_button = tk.Button(self.win, text='*', width=5, command=self.Multiplication).grid(row=2,
                                                                                                              column=3,
                                                                                                              pady=5)
        self.Division_button = tk.Button(self.win, text='/', width=5, command=self.Division).grid(row=1, column=3,
                                                                                                  pady=5)
        self.Equal_button = tk.Button(self.win, text='=', width=5, command=self.Equal).grid(row=4, column=2, pady=5)
        self.win.mainloop()

    def one(self):
        self.numStringvar.set(self.numStringvar.get() + '1')

    def two(self):
        self.numStringvar.set(self.numStringvar.get() + '2')

    def three(self):
        self.numStringvar.set(self.numStringvar.get() + '3')

    def four(self):
        self.numStringvar.set(self.numStringvar.get() + '4')

    def five(self):
        self.numStringvar.set(self.numStringvar.get() + '5')

    def six(self):
        self.numStringvar.set(self.numStringvar.get() + '6')

    def seven(self):
        self.numStringvar.set(self.numStringvar.get() + '7')

    def eight(self):
        self.numStringvar.set(self.numStringvar.get() + '8')

    def nine(self):
        self.numStringvar.set(self.numStringvar.get() + '9')

    def zero(self):
        self.numStringvar.set(self.numStringvar.get() + '0')

    def point(self):
        self.numStringvar.set(self.numStringvar.get() + '.')

    def And(self):
        self.jisuan.append(self.numStringvar.get())
        self.jisuan.append('+')
        self.numStringvar.set('')

    def Less(self):
        self.jisuan.append(self.numStringvar.get())
        self.jisuan.append('-')
        self.numStringvar.set('')

    def Multiplication(self):
        self.jisuan.append(self.numStringvar.get())
        self.jisuan.append('*')
        self.numStringvar.set('')

    def Division(self):
        self.jisuan.append(self.numStringvar.get())
        self.jisuan.append('/')
        self.numStringvar.set('')

    def Equal(self):
        if self.jisuan[1] == '+':
            self.numStringvar.set(float(self.jisuan[0]) + float(self.numStringvar.get()))
        elif self.jisuan[1] == '-':
            self.numStringvar.set(float(self.jisuan[0]) - float(self.numStringvar.get()))
        elif self.jisuan[1] == '*':
            self.numStringvar.set(float(self.jisuan[0]) * float(self.numStringvar.get()))
        elif self.jisuan[1] == '/':
            self.numStringvar.set(float(self.jisuan[0]) / float(self.numStringvar.get()))


a = jisuanqi()
a.TK()

完成图