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
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()
# *_* coding:utf8 *_*
import tkinter
from functools import partial
# 按钮输入调用
def get_input(entry, argu):
# 从entry窗口展示中获取输入的内容
input_data = entry.get()
# 合法运算符 : + - * / -- ** // +-
# ------------ 输入合法性判断的优化 ------------
# 最后一个字符不是纯数字(已经有算数符号),原窗口值不为空,且输入值为运算符
# if not input_data[-1:].isdecimal() and (not argu.isdecimal()):
# if input_data[-2:] in ["--", "**", "//", "+-"]:
# return
# if (input_data[-1:] + argu) not in ["--", "**", "//", "+-"]:
# return
# ------------------------------------------------
# 出现连续+，则第二个+为无效输入，不做任何处理
if (input_data[-1:] == '+') and (argu == '+'):
return
# 出现连续+--，则第三个-为无效输入，不做任何处理
if (input_data[-2:] == '+-') and (argu == '-'):
return
# 窗口已经有--后面字符不能为+或-
if (input_data[-2:] == '--') and (argu in ['-', '+']):
return
# 窗口已经有 ** 后面字符不能为 * 或 /
if (input_data[-2:] == '**') and (argu in ['*', '/']):
return
# 输入合法将字符插入到entry窗口结尾
entry.insert("end", argu)
# 退格(撤销输入)
def backspace(entry):
input_len = len(entry.get())
# 删除entry窗口中最后的字符
entry.delete(input_len - 1)
# 清空entry内容(清空窗口)
def clear(entry):
entry.delete(0, "end")
# 计算
def calc(entry):
input_data = entry.get()
# 计算前判断输入内容是否为空;首字符不能为*/;*/不能连续出现3次;
if not input_data:
return
clear(entry)
# 异常捕获，在进行数据运算时如果出现异常进行相应处理
# noinspection PyBroadException
try:
# eval() 函数用来执行一个字符串表达式，并返回表达式的值；并将执行结果转换为字符串
output_data = str(eval(input_data))
except Exception:
# 将提示信息输出到窗口
entry.insert("end", "Calculation error")
else:
# 将计算结果显示在窗口中
if len(output_data) > 20:
entry.insert("end", "Value overflow")
else:
entry.insert("end", output_data)
if __name__ == '__main__':
root = tkinter.Tk()
root.title("Calculator")
# 框体大小可调性，分别表示x,y方向的可变性；
root.resizable(0, 0)
button_bg = 'orange'
math_sign_bg = 'DarkTurquoise'
cal_output_bg = 'YellowGreen'
button_active_bg = 'gray'
# justify:显示多行文本的时候, 设置不同行之间的对齐方式，可选项包括LEFT, RIGHT, CENTER
# 文本从窗口左方开始显示，默认可以显示20个字符
# row：entry组件在网格中的横向位置
# column：entry组件在网格中的纵向位置
# columnspan:正常情况下,一个插件只占一个单元;可通过columnspan来合并一行中的多个相邻单元
entry = tkinter.Entry(root, justify="right", font=1)
entry.grid(row=0, column=0, columnspan=4, padx=10, pady=10)
def place_button(text, func, func_params, bg=button_bg, **place_params):
# 偏函数partial，可以理解为定义了一个模板，后续的按钮在模板基础上进行修改或添加特性
# activebackground：按钮按下后显示颜place_params色
my_button = partial(tkinter.Button, root, bg=button_bg, padx=10, pady=3, activebackground=button_active_bg)
button = my_button(text=text, bg=bg, command=lambda: func(*func_params))
button.grid(**place_params)
# 文本输入类按钮
place_button('7', get_input, (entry, '7'), row=1, column=0, ipadx=5, pady=5)
place_button('8', get_input, (entry, '8'), row=1, column=1, ipadx=5, pady=5)
place_button('9', get_input, (entry, '9'), row=1, column=2, ipadx=5, pady=5)
place_button('4', get_input, (entry, '4'), row=2, column=0, ipadx=5, pady=5)
place_button('5', get_input, (entry, '5'), row=2, column=1, ipadx=5, pady=5)
place_button('6', get_input, (entry, '6'), row=2, column=2, ipadx=5, pady=5)
place_button('1', get_input, (entry, '1'), row=3, column=0, ipadx=5, pady=5)
place_button('2', get_input, (entry, '2'), row=3, column=1, ipadx=5, pady=5)
place_button('3', get_input, (entry, '3'), row=3, column=2, ipadx=5, pady=5)
place_button('0', get_input, (entry, '0'), row=4, column=0, padx=8, pady=5,
columnspan=2, sticky=tkinter.E + tkinter.W + tkinter.N + tkinter.S)
place_button('.', get_input, (entry, '.'), row=4, column=2, ipadx=7, padx=5, pady=5)
# 运算输入类按钮(只是背景色不同)
# 字符大小('+','-'宽度不一样,使用ipadx进行修正)
place_button('+', get_input, (entry, '+'), bg=math_sign_bg, row=1, column=3, ipadx=5, pady=5)
place_button('-', get_input, (entry, '-'), bg=math_sign_bg, row=2, column=3, ipadx=5, pady=5)
place_button('*', get_input, (entry, '*'), bg=math_sign_bg, row=3, column=3, ipadx=5, pady=5)
place_button('/', get_input, (entry, '/'), bg=math_sign_bg, row=4, column=3, ipadx=5, pady=5)
# 功能输入类按钮(背景色、触发功能不同)
place_button('<-', backspace, (entry,), row=5, column=0, ipadx=5, padx=5, pady=5)
place_button('C', clear, (entry,), row=5, column=1, pady=5, ipadx=5)
place_button('=', calc, (entry,), bg=cal_output_bg, row=5, column=2, ipadx=5, padx=5, pady=5,
columnspan=2, sticky=tkinter.E + tkinter.W + tkinter.N + tkinter.S)
root.mainloop()
您好，我是有问必答小助手，您的问题已经有小伙伴解答了，您看下是否解决，可以追评进行沟通哦~
如果有您比较满意的答案 / 帮您提供解决思路的答案，可以点击【采纳】按钮，给回答的小伙伴一些鼓励哦～～
ps:问答VIP仅需29元，即可享受5次/月 有问必答服务，了解详情>>>https://vip.csdn.net/askvip?utm_source=1146287632