Python中使用wxPython开发的一个简易笔记本程序实例

import wxapp = wx.App()win = wx.Frame(  None,  title="simple editor",  size=(410, 335))bkg = wx.Panel(win)def openFile(evt):  dlg = wx.FileDialog(    win,    "Open",    "",    "",    "All files (*.*)|*.*",    wx.FD_OPEN | wx.FD_FILE_MUST_EXIST)  filepath = ''  if dlg.ShowModal() == wx.ID_OK:    filepath = dlg.GetPath()  else:    return  filename.SetValue(filepath)  fopen = open(filepath)  fcontent = fopen.read()  contents.SetValue(fcontent)  fopen.close()def saveFile(evt):  fcontent = contents.GetValue()  fopen = open(filename.GetValue(), 'w')  fopen.write(fcontent)  fopen.close()openBtn = wx.Button(bkg, label='open')openBtn.Bind(wx.EVT_BUTTON, openFile)saveBtn = wx.Button(bkg, label='save')saveBtn.Bind(wx.EVT_BUTTON, saveFile)filename = wx.TextCtrl(bkg, style=wx.TE_READONLY)contents = wx.TextCtrl(bkg, style=wx.TE_MULTILINE)hbox = wx.BoxSizer()hbox.Add(openBtn, proportion=0, flag=wx.LEFT | wx.ALL, border=5)hbox.Add(filename, proportion=1, flag=wx.EXPAND | wx.TOP | wx.BOTTOM, border=5)hbox.Add(saveBtn, proportion=0, flag=wx.LEFT | wx.ALL, border=5)bbox = wx.BoxSizer(wx.VERTICAL)bbox.Add(hbox, proportion=0, flag=wx.EXPAND | wx.ALL)bbox.Add(  contents,  proportion=1,  flag=wx.EXPAND | wx.LEFT | wx.BOTTOM | wx.RIGHT,  border=5)bkg.SetSizer(bbox)win.Show()app.MainLoop()