将来最好提供一个代码的最小工作示例。
不要忘记GUI是事件驱动的,必须使用事件将对话框的返回值分配给所需的变量。
您尚未说明要对文件路径执行什么操作,但这段代码显示了如何将其分配给标签。
"""Main Frame module for basic wxPython App."""
import wx
class MainFrame(wx.Frame):
"""Create MainFrame class."""
def __init__(self, *args, **kwargs):
super().__init__(None, *args, **kwargs)
self.size = (400, 1000)
self.Title = 'wx App'
self.Bind(wx.EVT_CLOSE, self.on_quit_click)
self.panel = MainPanel(self)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(self.panel)
self.SetSizer(sizer)
self.Center()
self.Show()
def onclk1(self, event):
with wx.FileDialog(self.panel, "OPEN EMG FILE", wildcard="TXT Files(*.txt)|*.txt",
style=wx.FD_OPEN | wx.FD_FILE_MUST_EXIST) as EmgFile:
if EmgFile.ShowModal() == wx.ID_CANCEL:
return "cancelled"
emg = EmgFile.GetPath()
self.panel.lbl_file1.SetLabel(emg)
def on_quit_click(self, event):
"""Handle close event."""
del event
wx.CallAfter(self.Destroy)
class MainPanel(wx.Panel):
"""Create a panel class to contain screen widgets."""
def __init__(self, parent, *args, **kwargs):
super().__init__(parent, *args, **kwargs)
e1 = wx.Button(self, label='File1')
e1.Bind(wx.EVT_BUTTON, parent.onclk1)
self.lbl_file1 = wx.StaticText(self, label=' '*100)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(e1)
sizer.Add(self.lbl_file1)
self.SetSizer(sizer)
if __name__ == '__main__':
wx_app = wx.App()
MainFrame()
wx_app.MainLoop()
