设计含有加减乘除功能的简易计算器。（谢谢各位大佬）

Question

实验要求：

1、生成一个四位验证码，可以是数字、字母或组合；

2、程序中要有判断录入非数字的功能；

3、可以循环选择菜单功能（即可以得出结果后继续输入加减乘除和数字，进行连算）这步最不会

4、运算功能用函数实现

Answer 1

import wx 
 
# begin wxGlade: extracode 
# end wxGlade 
 
 
class MyFrame(wx.Frame): 
 def __init__(self, *args, **kwds): 
 # begin wxGlade: MyFrame.__init__ 
 kwds["style"] = wx.DEFAULT_FRAME_STYLE 
 wx.Frame.__init__(self, *args, **kwds) 
 self.text_ctrl_1 = wx.TextCtrl(self, -1, "",style=wx.TE_READONLY) 
 self.button_37 = wx.Button(self, -1, "1") 
 self.button_38 = wx.Button(self, -1, "2") 
 self.button_39 = wx.Button(self, -1, "3") 
 self.button_40 = wx.Button(self, -1, "+") 
 self.button_41 = wx.Button(self, -1, "4") 
 self.button_42 = wx.Button(self, -1, "5") 
 self.button_43 = wx.Button(self, -1, "6") 
 self.button_44 = wx.Button(self, -1, "-") 
 self.button_46 = wx.Button(self, -1, "7") 
 self.button_45 = wx.Button(self, -1, "8") 
 self.button_47 = wx.Button(self, -1, "9") 
 self.button_48 = wx.Button(self, -1, "x") 
 self.button_49 = wx.Button(self, -1, "C") 
 self.button_50 = wx.Button(self, -1, "0") 
 self.button_51 = wx.Button(self, -1, "=") 
 self.button_52 = wx.Button(self, -1, "/") 
 
 self.__set_properties() 
 self.__do_layout() 
 
 self.Bind(wx.EVT_BUTTON, self.bu1, self.button_37) 
 self.Bind(wx.EVT_BUTTON, self.bu2, self.button_38) 
 self.Bind(wx.EVT_BUTTON, self.bu3, self.button_39) 
 self.Bind(wx.EVT_BUTTON, self.bu_plus, self.button_40) 
 self.Bind(wx.EVT_BUTTON, self.bu4, self.button_41) 
 self.Bind(wx.EVT_BUTTON, self.bu5, self.button_42) 
 self.Bind(wx.EVT_BUTTON, self.bu6, self.button_43) 
 self.Bind(wx.EVT_BUTTON, self.bu_min, self.button_44) 
 self.Bind(wx.EVT_BUTTON, self.bu7, self.button_46) 
 self.Bind(wx.EVT_BUTTON, self.bu8, self.button_45) 
 self.Bind(wx.EVT_BUTTON, self.bu9, self.button_47) 
 self.Bind(wx.EVT_BUTTON, self.bu_mul, self.button_48) 
 self.Bind(wx.EVT_BUTTON, self.bu_clear, self.button_49) 
 self.Bind(wx.EVT_BUTTON, self.bu0, self.button_50) 
 self.Bind(wx.EVT_BUTTON, self.bu_result, self.button_51) 
 self.Bind(wx.EVT_BUTTON, self.bu_chu, self.button_52) 
 # end wxGlade 
 self.Show(True) 
 
 def __set_properties(self): 
 # begin wxGlade: MyFrame.__set_properties 
 self.SetTitle("Python Calculater by CYG") 
 self.text_ctrl_1.SetMinSize((400, 50)) 
 self.button_37.SetMinSize((100, 50)) 
 self.button_38.SetMinSize((100, 50)) 
 self.button_39.SetMinSize((100, 50)) 
 self.button_40.SetMinSize((100, 50)) 
 self.button_41.SetMinSize((100, 50)) 
 self.button_42.SetMinSize((100, 50)) 
 self.button_43.SetMinSize((100, 50)) 
 self.button_44.SetMinSize((100, 50)) 
 self.button_46.SetMinSize((100, 50)) 
 self.button_45.SetMinSize((100, 50)) 
 self.button_47.SetMinSize((100, 50)) 
 self.button_48.SetMinSize((100, 50)) 
 self.button_49.SetMinSize((100, 50)) 
 self.button_50.SetMinSize((100, 50)) 
 self.button_51.SetMinSize((100, 50)) 
 self.button_52.SetMinSize((100, 50)) 
 # end wxGlade 
 
 def __do_layout(self): 
 # begin wxGlade: MyFrame.__do_layout 
 sizer_2 = wx.BoxSizer(wx.VERTICAL) 
 sizer_3 = wx.BoxSizer(wx.VERTICAL) 
 grid_sizer_1 = wx.GridSizer(4, 4, 0, 0) 
 sizer_3.Add(self.text_ctrl_1, 0, 0, 0) 
 grid_sizer_1.Add(self.button_37, 0, 0, 0) 
 grid_sizer_1.Add(self.button_38, 0, 0, 0) 
 grid_sizer_1.Add(self.button_39, 0, 0, 0) 
 grid_sizer_1.Add(self.button_40, 0, 0, 0) 
 grid_sizer_1.Add(self.button_41, 0, 0, 0) 
 grid_sizer_1.Add(self.button_42, 0, 0, 0) 
 grid_sizer_1.Add(self.button_43, 0, 0, 0) 
 grid_sizer_1.Add(self.button_44, 0, 0, 0) 
 grid_sizer_1.Add(self.button_46, 0, 0, 0) 
 grid_sizer_1.Add(self.button_45, 0, 0, 0) 
 grid_sizer_1.Add(self.button_47, 0, 0, 0) 
 grid_sizer_1.Add(self.button_48, 0, 0, 0) 
 grid_sizer_1.Add(self.button_49, 0, 0, 0) 
 grid_sizer_1.Add(self.button_50, 0, 0, 0) 
 grid_sizer_1.Add(self.button_51, 0, 0, 0) 
 grid_sizer_1.Add(self.button_52, 0, 0, 0) 
 sizer_3.Add(grid_sizer_1, 1, wx.EXPAND, 0) 
 sizer_2.Add(sizer_3, 1, wx.EXPAND, 0) 
 self.SetSizer(sizer_2) 
 sizer_2.Fit(self) 
 self.Layout() 
 # end wxGlade 
 
 def bu1(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("1") 
 event.Skip() 
 
 def bu2(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("2") 
 event.Skip() 
 
 def bu3(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("3") 
 event.Skip() 
 
 def bu_plus(self, event): # wxGlade: MyFrame.<event_handler> 
 self.num1=self.text_ctrl_1.GetValue() 
 self.op="+" 
 self.text_ctrl_1.Clear() 
 event.Skip() 
 
 def bu4(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("4") 
 event.Skip() 
 
 def bu5(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("5") 
 event.Skip() 
 
 def bu6(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("6") 
 event.Skip() 
 
 def bu_min(self, event): # wxGlade: MyFrame.<event_handler> 
 self.num1=self.text_ctrl_1.GetValue() 
 self.op="-" 
 self.text_ctrl_1.Clear() 
 event.Skip() 
 
 def bu7(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("7") 
 event.Skip() 
 
 def bu8(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("8") 
 event.Skip() 
 
 def bu9(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("9") 
 event.Skip() 
 
 def bu_mul(self, event): # wxGlade: MyFrame.<event_handler> 
 self.num1=self.text_ctrl_1.GetValue() 
 self.op="x" 
 self.text_ctrl_1.Clear() 
 event.Skip() 
 
 def bu_clear(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.Clear() 
 event.Skip() 
 
 def bu0(self, event): # wxGlade: MyFrame.<event_handler> 
 self.text_ctrl_1.AppendText("0") 
 event.Skip() 
 
 def bu_chu(self, event): # wxGlade: MyFrame.<event_handler> 
 self.num1=self.text_ctrl_1.GetValue() 
 self.op="/" 
 self.text_ctrl_1.Clear() 
 event.Skip() 
 
 def bu_result(self, event): # wxGlade: MyFrame.<event_handler> 
 self.num2=self.text_ctrl_1.GetValue() 
 num1=int(self.num1) 
 num2=int(self.num2) 
 if self.op=="+": 
 self.text_ctrl_1.SetValue(str(num1+num2)) 
 elif self.op=="-": 
 self.text_ctrl_1.SetValue(str(num1-num2)) 
 elif self.op=="x": 
 self.text_ctrl_1.SetValue(str(num1*num2)) 
 elif self.op=="/": 
 self.text_ctrl_1.SetValue(str(num1/num2)) 
 event.Skip() 
 
 
# end of class MyFrame 
if __name__ == "__main__": 
 
 app=wx.App(False) 
 myframe=MyFrame(None) 
 app.MainLoop()