wxPython 中的 Python GUI 程序无法运行

我有以下代码，我正在学习教程:

(http://zetcode.com/wxpython/layout/ - GoToClass 部分)

我不知道它有什么问题......:/

正如您在本教程中所见，它应该产生这样的结果:

代码:

#!/usr/bin/python 
# -*- coding: utf-8 -*- 
 
# gotoclass.py 
 
import wx 
 
class Example(wx.Frame): 
 
    def __init__(self, parent, title): 
        super(Example, self).__init__(parent, title=title,  
            size=(390, 350)) 
 
        self.InitUI() 
        self.Centre() 
        self.Show()      
 
    def InitUI(self): 
 
        panel = wx.Panel(self) 
 
        font = wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT) 
        font.SetPointSize(9) 
 
        vbox = wx.BoxSizer(wx.VERTICAL) 
 
        hbox1 = wx.BoxSizer(wx.HORIZONTAL) 
        st1 = wx.StaticText(panel, label='Class Name') 
        st1.SetFont(font) 
        hbox1.Add(st1, flag=wx.RIGHT, border=8) 
        tc = wx.TextCtrl(panel) 
        hbox1.Add(tc, proportion=1) 
        vbox.Add(hbox1, flag=wx.EXPAND|wx.LEFT|wx.RIGHT|wx.TOP, border=10) 
 
        vbox.Add((-1, 10)) 
 
        hbox2 = wx.BoxSizer(wx.HORIZONTAL) 
        st2 = wx.StaticText(panel, label='Matching Classes') 
        st2.SetFont(font) 
        hbox2.Add(st2) 
        vbox.Add(hbox2, flag=wx.LEFT | wx.TOP, border=10) 
 
        vbox.Add((-1, 10)) 
 
        hbox3 = wx.BoxSizer(wx.HORIZONTAL) 
        tc2 = wx.TextCtrl(panel, style=wx.TE_MULTILINE) 
        hbox3.Add(tc2, proportion=1, flag=wx.EXPAND) 
        vbox.Add(hbox3, proportion=1, flag=wx.LEFT|wx.RIGHT|wx.EXPAND,  
            border=10) 
 
        vbox.Add((-1, 25)) 
 
        hbox4 = wx.BoxSizer(wx.HORIZONTAL) 
        cb1 = wx.CheckBox(panel, label='Case Sensitive') 
        cb1.SetFont(font) 
        hbox4.Add(cb1) 
        cb2 = wx.CheckBox(panel, label='Nested Classes') 
        cb2.SetFont(font) 
        hbox4.Add(cb2, flag=wx.LEFT, border=10) 
        cb3 = wx.CheckBox(panel, label='Non-Project classes') 
        cb3.SetFont(font) 
        hbox4.Add(cb3, flag=wx.LEFT, border=10) 
        vbox.Add(hbox4, flag=wx.LEFT, border=10) 
 
        vbox.Add((-1, 25)) 
 
        hbox5 = wx.BoxSizer(wx.HORIZONTAL) 
        btn1 = wx.Button(panel, label='Ok', size=(70, 30)) 
        hbox5.Add(btn1) 
        btn2 = wx.Button(panel, label='Close', size=(70, 30)) 
        hbox5.Add(btn2, flag=wx.LEFT|wx.BOTTOM, border=5) 
        vbox.Add(hbox5, flag=wx.ALIGN_RIGHT|wx.RIGHT, border=10) 
 
        panel.SetSizer(vbox) 
 
 
if __name__ == '__main__': 
 
    app = wx.App() 
    Example(None, title='Go To Class') 
    app.MainLoop() 

以下是我遇到的错误:(删除了文件的路径

Traceback (most recent call last): 
  File "[path]", line 78, in <module> 
    Example(None, title='Go To Class') 
  File "[path]", line 14, in __init__ 
    self.InitUI() 
  File "[path]", line 21, in InitUI 
    font = wx.SystemSettings_GetFont(wx.SYS_SYSTEM_FONT) 
AttributeError: 'module' object has no attribute 'SystemSettings_GetFont' 

请您参考如下方法:

这只是一个错字。正确的方法是wx.SystemSettings.GetFont()，另见文档:https://wxpython.org/Phoenix/docs/html/wx.SystemSettings.html#wx.SystemSettings.GetFont

将您的 InitUI 方法更改为:

def InitUI(self): 
    panel = wx.Panel(self) 
 
    font = wx.SystemSettings.GetFont(wx.SYS_SYSTEM_FONT) 
    font.SetPointSize(9) 
    ... 

希望这对您有所帮助!