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可执行正常加减乘除相关运算,源码已贴,自行测试。
# coding=gbk """ 作者:川川 @时间 : 2022/11/6 3:10 """ from tkinter import * calc = Tk() calc.title('川川计算器') operator = '' def clear(): global operator operator='' txt_input.set("") display.insert(0,'开始计算...') def button_press(number_or_operator): global operator operator = operator+str(number_or_operator) txt_input.set(operator) def equal(): global operator result = float(eval(operator)) txt_input.set(result) operator='' txt_input =StringVar(value='开始计算...') #-----------------DISPLAY----------------------------------- display = Entry(calc,font =('arial',30),fg='white',bg='green' ,justify='right',bd='50',textvariable=txt_input) display.grid(columnspan=4) #------------------row 1-------------------------------------- button7 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='7',command=lambda:button_press(7)).grid(row=1,column=0) button8 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='8',command=lambda:button_press(8)).grid(row=1,column=1) button9 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='9',command=lambda:button_press(9)).grid(row=1,column=2) button_clear = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='green', font=('arial',30,'bold'),text='C',command=clear).grid(row=1,column=3) #------------------row 2-------------------------------------- button4 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='4',command=lambda:button_press(4)).grid(row=2,column=0) button5 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='5',command=lambda:button_press(5)).grid(row=2,column=1) button6 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='6',command=lambda:button_press(6)).grid(row=2,column=2) button_plus = Button(calc,padx =34,pady =12,bd=8,fg='black',bg='orange', font=('arial',30,'bold'),text='+',command=lambda:button_press('+')).grid(row=2,column=3) #------------------row 3-------------------------------------- button1 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='1',command=lambda:button_press(1)).grid(row=3,column=0) button2 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='2',command=lambda:button_press(2)).grid(row=3,column=1) button3 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='3',command=lambda:button_press(3)).grid(row=3,column=2) button_minus = Button(calc,padx =38,pady =12,bd=8,fg='black',bg='orange', font=('arial',30,'bold'),text='-',command=lambda:button_press('-')).grid(row=3,column=3) #------------------row 4-------------------------------------- button_0 = Button(calc,padx =30,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='0',command=lambda:button_press(0)).grid(row=4,column=0) button_dot = Button(calc,padx =36,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='.',command=lambda:button_press('.')).grid(row=4,column=1) button_divide = Button(calc,padx =36,pady =12,bd=8,fg='black',bg='orange', font=('arial',30,'bold'),text='/',command=lambda:button_press('/')).grid(row=4,column=2) button_mult = Button(calc,padx =38,pady =12,bd=8,fg='black',bg='orange', font=('arial',30,'bold'),text='*',command=lambda:button_press('*')).grid(row=4,column=3) #------------------row 5-------------------------------------- button_equal = Button(calc,padx =95,pady =12,bd=8,fg='black',bg='green', font=('arial',30,'bold'),text='=',command=equal).grid(row=5,column=0,columnspan=2) button_open = Button(calc,padx =35,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text='(',command=lambda:button_press('(')).grid(row=5,column=2) button_close = Button(calc,padx =38,pady =12,bd=8,fg='black',bg='white', font=('arial',30,'bold'),text=')',command=lambda:button_press(')')).grid(row=5,column=3) calc.mainloop()
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