python实例--随机密码生成器

import wx import string import random  class Frame(wx.Frame):     def __init__(self,parent,id):         wx.Frame.__init__(self,parent,id,'随机密码生成器',size=(430,285))         panel = wx.Panel(self)         font=wx.Font(9,wx.MODERN, wx.NORMAL, wx.NORMAL)         wx.StaticBox(panel, -1, '参数选项', (5,10), (300,80))         wx.StaticText(panel,-1,'密码长度',(30,30))         self.usertext = wx.TextCtrl(panel,-1,'8',(100,30),(40,20))         self.usertext.SetFont(font)         wx.StaticText(panel,-1,'密码数量',(150,30))         self.usertext1 = wx.TextCtrl(panel,-1,'1',(220,30),(40,20))         self.usertext1.SetFont(font)         self.select1 = wx.CheckBox(panel, -1, '字母', (30,60))         self.select1.SetValue(True)         self.select2 = wx.CheckBox(panel, -1, '数字', (100,60))         self.select2.SetValue(True)         self.select3 = wx.CheckBox(panel, -1, '特殊字符', (170,60))         self.select3.SetValue(False)         self.button1 = wx.Button(panel, label='生成', pos=(320, 30), size=(80, 25))         self.button2 = wx.Button(panel, label='清空', pos=(320, 60), size=(80, 25))         self.usertext2 = wx.TextCtrl(panel,-1,'',(30,100),(350,150),style=wx.TE_MULTILINE|wx.HSCROLL|wx.TE_READONLY)         self.usertext2.SetFont(font)         self.Bind(wx.EVT_BUTTON, self.show, self.button1)         self.Bind(wx.EVT_BUTTON, self.clear, self.button2)                       def show(self,event):         value1 = self.usertext.GetValue()         value2 = self.usertext1.GetValue()         value3 = self.select1.GetValue()         value4 = self.select2.GetValue()         value5 = self.select3.GetValue()         yy = '~!@#$%^&*(),<>?'         uu=''         bob = []                  if not value1 or not value2:             wx.MessageBox('请输入密码长度和密码数量','错误')         if value3 :             uu = uu+string.ascii_letters         if value4 :             uu = uu+string.digits         if value5 :             uu = uu+yy         if not uu :             wx.MessageBox('请选择密码类型','错误')         else :             for i in range(int(value2)):                 tt = ''.join(random.sample(list(uu),int(value1)))                 bob.append(tt)                                         self.usertext2.SetValue('\n'.join(bob))      def clear(self,event):         self.usertext2.Clear()  if __name__ == '__main__':     app = wx.PySimpleApp()     frame = Frame(parent=None, id=-1)     frame.Show()     app.MainLoop()