import tkinter import math class Deom: operation_sign = False sign1 = False sign2 = False list1 = [] list2 = [] def __init__(self): self.root = tkinter.Tk() self.root.minsize(320, 400) self.root.title(‘什么都算不对牌计算器‘) self.layout() self.root.mainloop() def layout(self): self.val0 = tkinter.StringVar() self.val0.set(‘0‘) self.val = tkinter.StringVar() self.val.set(‘0‘) # 文本设置 #标题 def newwindow(): # 相当于主界面 tp = tkinter.Toplevel(width=300, height=330, bg=‘white‘) # 禁止调整大小 #tp.resizable(width=False, height=False) # 定义标题 tp.title(‘help‘) self.val3 = tkinter.StringVar() self.val3.set(‘实现功能:\n简易计算器,加减乘除,开方,平方,百分数,分数,正负\n数,clear error ,clear,delete\n解决bug:\n1. 一直点击运算符号以及等号会连加\n2. 除数为零提示除数不能为0\n3. 小数结果如果大于15位,则保留15位,整数则提示超\n出范围\n4. 小数点控制为一个,先按小数点会先出零\n5. 已修复目前已知bug\n\n\ntips:\n若发现bug请及时联系作者修改!!\n本界面趋于原生\n\n版权所有@赵晗python04‘) # 消息记录 label3 = tkinter.Label(tp, bg = ‘white‘,textvariable = self.val3,anchor = ‘nw‘,justify = ‘left‘) label3.place(x = 0, y = 0) # 创建总菜单 menubar = tkinter.Menu(self.root,bg = ‘#F2F2F2‘,activeforeground = ‘white‘,activebackground = ‘#1717FF‘) # 创建一个下拉菜单,并且加入文件菜单 filemenu = tkinter.Menu(menubar,bg = ‘#F2F2F2‘,activeforeground = ‘white‘,activebackground = ‘#1717FF‘) # 创建下来菜单的选项 filemenu.add_command(label="about",command=newwindow) # 创建下拉菜单的分割线 filemenu.add_separator() filemenu.add_command(label="Exit", command=self.root.quit) # 将文件菜单作为下拉菜单添加到总菜单中,并且将命名为File menubar.add_cascade(label="help", menu=filemenu) # 显示总菜单 self.root.config(menu=menubar) # 标签 label0 = tkinter.Label(self.root,textvariable=self.val0, bg=‘white‘, fg = ‘#7B7B7B‘,font=(‘黑体‘, 15), width=‘15‘, anchor=‘e‘,borderwidth=‘10‘).place(x=‘0‘, y=‘0‘,width= 320,height = 40) # 按键) label1 = tkinter.Label(self.root, textvariable=self.val, bg=‘white‘, font=(‘黑体‘, 25), width=‘15‘, anchor=‘e‘,borderwidth=‘10‘).place(x=‘0‘, y=‘40‘,width = 320,height = 60) # 按键 btn9 = tkinter.Button(self.root, text=‘9‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘9‘)).place(x=160, y=200, width=80, height=50) btn8 = tkinter.Button(self.root, text=‘8‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.num(‘8‘)).place(x=80, y=200, width=80, height=50) btn7 = tkinter.Button(self.root, text=‘7‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.num(‘7‘)).place(x=0, y=200, width=80, height=50) btn6 = tkinter.Button(self.root, text=‘6‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.num(‘6‘)).place(x=160, y=250, width=80, height=50) btn5 = tkinter.Button(self.root, text=‘5‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.num(‘5‘)).place(x=80, y=250, width=80, height=50) btn4 = tkinter.Button(self.root, text=‘4‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘4‘)).place(x=0, y=250, width=80, height=50) btn3 = tkinter.Button(self.root, text=‘3‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘3‘)).place(x=160, y=300, width=80, height=50) btn2 = tkinter.Button(self.root, text=‘2‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘2‘)).place(x=80, y=300, width=80, height=50) btn1 = tkinter.Button(self.root, text=‘1‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘1‘)).place(x=0, y=300, width=80, height=50) btn0 = tkinter.Button(self.root, text=‘0‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.num(‘0‘)).place(x=80, y=350, width=80, height=50) btnsign = tkinter.Button(self.root, text=‘±‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.plus_minus).place(x=0, y=350, width=80, height=50) btnpoint = tkinter.Button(self.root, text=‘.‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.num(‘.‘)).place(x=160, y=350, width=80, height=50) btndiv = tkinter.Button(self.root, text=‘÷‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.operation(‘/‘)).place(x=240, y=150, width=80, height=50) btnmul = tkinter.Button(self.root, text=‘ב, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.operation(‘*‘)).place(x=240, y=200, width=80, height=50) btnadd = tkinter.Button(self.root, text=‘+‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘, command=lambda :self.operation(‘+‘)).place(x=240, y=300, width=80, height=50) btnsub = tkinter.Button(self.root, text=‘-‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command=lambda :self.operation(‘-‘)).place(x=240, y=250, width=80, height=50) btnequal = tkinter.Button(self.root, text=‘=‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activeforeground = ‘white‘,activebackground = ‘#1717FF‘, command=self.eq_operation).place(x=240, y=350, width=80, height=50) btndel = tkinter.Button(self.root, text=‘del‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.delete_operation).place(x=160, y=150, width=80, height=50) btnclr = tkinter.Button(self.root, text=‘c‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activeforeground = ‘white‘,activebackground = ‘#FE524E‘,command = self.clear_all).place(x=80, y=150, width=80, height=50) btnce = tkinter.Button(self.root, text=‘ce‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.clear_error).place(x=0, y=150, width=80, height=50) btnpercent = tkinter.Button(self.root, text=‘%‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.percent_operation).place(x=0, y=100, width=80, height=50) btnevolution = tkinter.Button(self.root, text=‘√‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command =self.evolution_operation).place(x=80, y=100, width=80, height=50) btnsquare = tkinter.Button(self.root, text=‘x2‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.square_operation).place(x=160, y=100, width=80, height=50) btngrade = tkinter.Button(self.root, text=‘1/x‘, bg = ‘#F2F2F2‘,font=(‘黑体‘, 15),activebackground = ‘#CFEFFE‘,command = self.grade_operation).place(x=240, y=100, width=80, height=50) #键盘输入操作 def num(self,number): a = number print(number) ‘‘‘if self.sign2 == True: if number == ‘0‘: print(‘error‘)‘‘‘ if self.operation_sign == True: self.val.set(‘0‘) self.operation_sign = False if self.val.get() == ‘0‘: # 如果屏幕中数字为0,即一开始的默认值,判断,是0则变为按下的数字不是0,进行拼接 self.val.set(number) if number == ‘.‘: self.val.set(‘0‘ + number) else: #不是0的情况 if self.val.get().count(‘.‘) == 0: #如果获取的字符串里面只有一个. self.val.set(self.val.get() + number) # 屏幕所得到的数字 字符串连接下一次按入的数字 elif number != ‘.‘: self.val.set(self.val.get() + number) ‘‘‘if self.sign2 == True: if self.val.get() == ‘0‘: print(‘error‘)‘‘‘ #self.sign2 = False self.sign1 = True self.sign2 = True # 正负操作 def plus_minus(self): list2 = self.val.get() if list2[0] == ‘-‘: self.val.set(list2[1:]) elif list2[0] != ‘-‘ and list2 != ‘0‘: self.val.set(‘-‘ + list2) self.sign1 = True #退格操作 def delete_operation(self): if len(self.val.get()) >1: self.list1 = list(self.val.get()) self.list1.pop() result = ‘‘.join(self.list1) self.val.set(result) else: self.val.set(‘0‘) #平方操作 def square_operation(self): self.val.get() self.list1.append(self.val.get()) list2 = ‘** 2‘ self.list1.append(list2) str1 = ‘‘.join(self.list1) # 转换为字符串! print(str1) self.val0.set(str1) # 副框显示字符串也可以是列表 result = eval(str1) # 进行运算,python 代码 if result > 1: result1 = str(result) if len(result1) > 17: self.val.set(‘结果超过范围‘) else: self.val.set(result) else: result1 = round(result, 15) self.val.set(result1) print(self.list1) self.list1.clear() self.operation_sign = True #开平方操作 def evolution_operation(self): try: self.val.get() list2 = ‘math.sqrt({0})‘.format(self.val.get()) print(list2) self.list1.append(list2) str1= ‘‘.join(self.list1) print(str1) self.val.set(eval(str1)) result = eval(str1) # 进行运算,python 代码 result1 = round(result, 15) self.val.set(result1) self.list1.clear() self.operation_sign = True except ValueError: self.val.set(‘不能对负数开根号‘) #%操作 def percent_operation(self): self.val.get() self.list1.append(self.val.get()) list2 = ‘/ 100‘ self.list1.append(list2) result = ‘‘.join(self.list1) self.val.set(eval(result)) print(self.list1) self.list1.clear() self.operation_sign = True #分数 def grade_operation(self): try: self.val.get() print(self.list1) list2 = ‘1/{}‘.format(self.val.get()) self.list1.append(list2) str1= ‘‘.join(self.list1) print(str1) self.val.set(eval(str1)) result = eval(str1) # 进行运算,python 代码 result1 = round(result, 15) self.val.set(result1) print(self.list1) self.list1.clear() self.operation_sign = True except ZeroDivisionError: self.val.set(‘除数不能为零‘) #清空全部数据操作 def clear_all(self): self.val.set(‘0‘) self.list1 = [] self.val0.set(‘0‘) self.operation_sign = False #清空错误操作 def clear_error(self): if self.val.get() != ‘‘: self.val.set(‘0‘) #运算操作 def operation(self,addnum): if self.sign1 == True: #满足这个条件即可按下运算键,否则不可以,即0-9与等号 print(addnum) # addnum代表符号 print(self.val.get()) # 获取文本 字符串格式 self.list1.append(self.val.get()) # 将文本追加到list1中,此时val.get为文本中内容 列表 self.list1.append(addnum) # 【2 + 】 print(self.list1) # 需要判断运算符号是否按下 self.val0.set(self.list1) self.operation_sign = True self.sign1 = False #等号操作 def eq_operation(self): try: if self.sign2 == True: if self.sign1 == True: #sign1 为true 可以等于 self.list1.append(self.val.get()) # 按下等号之后将之前的一个数值传入list1 print(self.list1) str1 = ‘‘.join(self.list1) # 转换为字符串! print(str1) self.val0.set(str1) # 副框显示字符串也可以是列表 result = eval(str1) # 进行运算,python 代码 if result > 1: result1 = str(result) if len(result1) > 15: self.val.set(‘结果超过范围‘) else: self.val.set(result) else: result1 = round(result,15) self.val.set(result1) self.list1.clear() self.operation_sign = True #此时判断出按键是否按下 self.sign1 = True #按下等号 变为true 数字可以按下 self.sign2 = False except ZeroDivisionError: self.val.set(‘除数不能为零‘) deom = Deom()
时间: 2024-10-24 15:04:49