from tkinter import *
class Calculator:
def init(self, pwindow):
self.pwindow = pwindow
self.num1 = 0
self.num2 = 0
self.sign = None
self.if_equal = None
self.init_pwindow()
def init_pwindow(self):
self.pwindow.title('计算器')
self.pwindow.geometry('200x300+10+10')
# 设置按钮
self.button_1 = Button(self.pwindow, text=1, width=5, command=lambda: self.show_num(1))
self.button_1.grid(row=1, column=0)
self.button_2 = Button(self.pwindow, text=2, width=5, command=lambda: self.show_num(2))
self.button_2.grid(row=1, column=1)
self.button_3 = Button(self.pwindow, text=3, width=5, command=lambda: self.show_num(3))
self.button_3.grid(row=1, column=2)
self.button_4 = Button(self.pwindow, text=4, width=5, command=lambda: self.show_num(4))
self.button_4.grid(row=2, column=0)
self.button_5 = Button(self.pwindow, text=5, width=5, command=lambda: self.show_num(5))
self.button_5.grid(row=2, column=1)
self.button_6 = Button(self.pwindow, text=6, width=5, command=lambda: self.show_num(6))
self.button_6.grid(row=2, column=2)
self.button_7 = Button(self.pwindow, text=7, width=5, command=lambda: self.show_num(7))
self.button_7.grid(row=3, column=0)
self.button_8 = Button(self.pwindow, text=8, width=5, command=lambda: self.show_num(8))
self.button_8.grid(row=3, column=1)
self.button_9 = Button(self.pwindow, text=9, width=5, command=lambda: self.show_num(9))
self.button_9.grid(row=3, column=2)
self.button_0 = Button(self.pwindow, text=0, width=5, command=lambda: self.show_num(0))
self.button_0.grid(row=4, column=2)
self.button_add = Button(self.pwindow, text='+', width=5, command=lambda: self.sign_num('+'))
self.button_add.grid(row=4, column=0)
self.button_add = Button(self.pwindow, text='-', width=5, command=lambda: self.sign_num('-'))
self.button_add.grid(row=4, column=1)
self.button_add = Button(self.pwindow, text='*', width=5, command=lambda: self.sign_num('*'))
self.button_add.grid(row=5, column=0)
self.button_add = Button(self.pwindow, text='/', width=5, command=lambda: self.sign_num('/'))
self.button_add.grid(row=5, column=1)
self.button_equal = Button(self.pwindow, text='=', width=5, command=self.equal_num)
self.button_equal.grid(row=5, column=2)
self.text_1 = Text(self.pwindow, width=18, height=3)
self.text_1.grid(row=0, column=0, columnspan=3)
def show_num(self, num):
if self.if_equal:
self.text_1.delete(1.0, END)
self.if_equal = False
self.text_1.insert(2.0, num)
def sign_num(self, sign):
self.sign = sign
self.num1 = self.text_1.get(1.0, END)
self.text_1.delete(1.0, END)
def equal_num(self):
self.if_equal = True
self.num2 = self.text_1.get(1.0, END)
self.text_1.delete(1.0, END)
count = 0
if self.sign == '+':
count = float(self.num1) + float(self.num2)
elif self.sign == '-':
count = float(self.num1) - float(self.num2)
elif self.sign == '*':
count = float(self.num1) * float(self.num2)
else:
count = float(self.num1) / float(self.num2)
self.text_1.insert(1.0, count)
if name == 'main':
parent_window = Tk()
c = Calculator(parent_window)
parent_window.mainloop()
