计算器tkinter代码

#filename:Caculater
 import tkinter,time,decimal,math,string
 root=tkinter.Tk()
 root.title('计算器')
 root.resizable(0,0)
 global cuncu, vartext, result, fuhao
 result = fuhao = None
 vartext = tkinter.StringVar()
 cuncu = []
 class anjianzhi:
     global cuncu, vartext, result, fuhao
     def __init__(self,anjian):
         self.anjian = anjian
     def jia(self):
         cuncu.append(self.anjian)
         vartext.set( ''.join(cuncu))
     def tui(self):
         cuncu.pop()
         vartext.set(''.join(cuncu))
     def clear(self):
         cuncu.clear()
         vartext.set('')
         result = None
         fuhao = None
     def zhengfu(self):
         if cuncu[0]:
             if cuncu[0] == '-':
                 cuncu[0] = '+'
             elif cuncu[0] == '+':
                 cuncu[0] = '-'
             else:
                 cuncu.insert(0, '-')
         vartext.set(''.join(cuncu))
     def xiaoshudian(self):
         if cuncu.count('.') >= 1:
             pass
         else:
             if cuncu == [] :
                 cuncu.append('0')
             cuncu.append('.')
             vartext.set(''.join(cuncu))
     def yunshuan(self):
         global cuncu, vartext, result, fuhao
         if vartext.get() == '':
             pass
         else:
             get1 = decimal.Decimal(vartext.get())
             if self.anjian in ('1/x','sqrt'):
                 if self.anjian == '1/x':
                     result = 1/get1
                 elif self.anjian == 'sqrt':
                     result = math.sqrt(get1)
             elif  self.anjian in ('+','-','*','/','='):
                 if fuhao is not None:
                     get1 = decimal.Decimal(result)
                     get2 = decimal.Decimal(vartext.get())
                     if fuhao == '+':
                         result = get1 + get2
                     elif fuhao == '-':
                         result = get1 - get2
                     elif fuhao == '*':
                         result = get1 * get2
                     elif fuhao == '/':
                         result = get1 / get2
                 else:
                     result = get1
                 if self.anjian == '=':
                     fuhao = None
                 else:
                     fuhao = self.anjian
             print(fuhao)
             print(result)
             vartext.set(str(result))
             cuncu.clear()
 def copy1():
     # tkinter.Misc().clipboard_clear()
     tkinter.Misc().clipboard_append(string(vartext.get()))
 def buju(root):
     global cuncu, vartext, result, fuhao
    entry1 = tkinter.Label(root, width=30, height=2, bg='white', anchor='se', textvariable=vartext)
     entry1.grid(row=0, columnspan=5)
     buttonMC=tkinter.Button(root,text='MC',width=5)
     buttonMR=tkinter.Button(root,text='MR',width=5)
     buttonMS=tkinter.Button(root,text='MS',width=5)
     buttonM1=tkinter.Button(root,text='M+',width=5)
     buttonM2=tkinter.Button(root,text='M-',width=5)
     buttonMC.grid(row=1,column=0)
     buttonMR.grid(row=1,column=1)
     buttonMS.grid(row=1,column=2)
     buttonM1.grid(row=1,column=3)
     buttonM2.grid(row=1,column=4)
     buttonJ=tkinter.Button(root,text='←',width=5,command=anjianzhi('c').tui)
     buttonCE=tkinter.Button(root,text='CE',width=5)
     buttonC=tkinter.Button(root,text=' C ',width=5,command=anjianzhi('c').clear)
     button12=tkinter.Button(root,text='±',width=5,command=anjianzhi('c').zhengfu)
     buttonD=tkinter.Button(root,text='√',width=5,command=anjianzhi('sqrt').yunshuan)
     buttonJ.grid(row=2,column=0)
     buttonCE.grid(row=2,column=1)
     buttonC.grid(row=2,column=2)
     button12.grid(row=2,column=3)
     buttonD.grid(row=2,column=4)
     button7=tkinter.Button(root,text=' 7 ',width=5,command=anjianzhi('7').jia)
     button8=tkinter.Button(root,text=' 8 ',width=5,command=anjianzhi('8').jia)
     button9=tkinter.Button(root,text=' 9 ',width=5,command=anjianzhi('9').jia)
     buttonc=tkinter.Button(root, text=' / ',width=5,command=anjianzhi('/').yunshuan)
     buttonf= tkinter.Button(root, text=' % ',width=5)
     button7.grid(row=3,column=0)
     button8.grid(row=3,column=1)
     button9.grid(row=3,column=2)
     buttonc.grid(row=3,column=3)
     buttonf.grid(row=3,column=4)
     button4=tkinter.Button(root,text=' 4 ',width=5,command=anjianzhi('4').jia)
     button5=tkinter.Button(root,text=' 5 ',width=5,command=anjianzhi('5').jia)
     button6=tkinter.Button(root,text=' 6 ',width=5,command=anjianzhi('6').jia)
     buttonx=tkinter.Button(root,text=' * ',width=5,command=anjianzhi('*').yunshuan)
     buttonfs=tkinter.Button(root,text='1/x',width=5,command=anjianzhi('1/x').yunshuan)
     button4.grid(row=4,column=0)
     button5.grid(row=4,column=1)
     button6.grid(row=4,column=2)
     buttonx.grid(row=4,column=3)
     buttonfs.grid(row=4,column=4)
     button1 = tkinter.Button(root, text=' 1 ',width=5,command=anjianzhi('1').jia)
     button2 = tkinter.Button(root, text=' 2 ',width=5,command=anjianzhi('2').jia)
     button3 = tkinter.Button(root, text=' 3 ',width=5,command=anjianzhi('3').jia)
     button_= tkinter.Button(root, text=' - ',width=5,command=anjianzhi('-').yunshuan)
     buttondy= tkinter.Button(root, text=' \n = \n ',width=5,command=anjianzhi('=').yunshuan)
     button1.grid(row=5, column=0)
     button2.grid(row=5, column=1)
     button3.grid(row=5, column=2)
     button_.grid(row=5, column=3)
     buttondy.grid(row=5, column=4,rowspan=2)
     button0=tkinter.Button(root,text='   0   ',width=11,command=anjianzhi('0').jia)
     buttonjh = tkinter.Button(root,text=' . ',width=5,command=anjianzhi('c').xiaoshudian)
     buttonjia=tkinter.Button(root,text=' + ',width=5,command=anjianzhi('+').yunshuan)
     button0.grid(row=6,column=0,columnspan=2)
     buttonjh.grid(row=6,column=2)
     buttonjia.grid(row=6,column=3)
 def caidan(root):
     menu=tkinter.Menu(root)
     submenu1=tkinter.Menu(menu,tearoff=0)
     menu.add_cascade(label='查看',menu=submenu1)
     submenu2 = tkinter.Menu(menu, tearoff=0)
     submenu2.add_command(label='复制')
     submenu2.add_command(label='粘贴')
     menu.add_cascade(label='编辑',menu=submenu2)
     submenu = tkinter.Menu(menu, tearoff=0)
     submenu.add_command(label='查看帮助')
     submenu.add_separator()
     submenu.add_command(label='关于计算机')
     menu.add_cascade(label='帮助',menu=submenu)
     root.config(menu=menu)
 buju(root)
 caidan(root)
 root.mainloop()

cnliutz

计算机基础教师

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