使用Python实现保存剪贴板中的图像

import wx
import os
class MyFrame(wx.Frame):
    def __init__(self):
        super().__init__(parent=None, title='保存剪贴板中的图像')
        panel = wx.Panel(self)
        self.save_button = wx.Button(panel, label='保存')
        self.save_button.Bind(wx.EVT_BUTTON, self.on_save)
        self.path_textCtrl = wx.TextCtrl(panel, style=wx.TE_READONLY)
        self.path_button = wx.Button(panel, label='选择路径')
        self.path_button.Bind(wx.EVT_BUTTON, self.on_select_path)
        sizer = wx.BoxSizer(wx.VERTICAL)
        sizer.Add(self.path_textCtrl, 0, wx.ALL | wx.EXPAND, 10)
        sizer.Add(self.path_button, 0, wx.ALL, 10)
        sizer.Add(self.save_button, 0, wx.ALL, 10)
        panel.SetSizer(sizer)
    def on_select_path(self, event):
        dlg = wx.DirDialog(self, "选择保存路径", style=wx.DD_DEFAULT_STYLE | wx.DD_DIR_MUST_EXIST)
        if dlg.ShowModal() == wx.ID_OK:
            selected_path = dlg.GetPath()
            self.path_textCtrl.SetValue(selected_path)
        dlg.Destroy()
    def on_save(self, event):
        selected_path = self.path_textCtrl.GetValue()
        if not selected_path:
            wx.MessageBox('请先选择保存路径！', '错误', wx.OK | wx.ICON_ERROR)
            return
        if wx.TheClipboard.IsSupported(wx.DataFormat(wx.DF_BITMAP)):
            bitmap_data = wx.BitmapDataObject()
            wx.TheClipboard.Open()
            success = wx.TheClipboard.GetData(bitmap_data)
            wx.TheClipboard.Close()
            if success:
                bitmap = bitmap_data.GetBitmap()
                current_time = wx.DateTime.Now().Format("%Y%m%d%H%M%S")
                filename = f"image_{current_time}.png"
                file_path = os.path.join(selected_path, filename)
                bitmap.SaveFile(file_path, wx.BITMAP_TYPE_PNG)
                wx.MessageBox(f'图像保存成功！保存路径：{file_path}', '提示', wx.OK | wx.ICON_INFORMATION)
            else:
                wx.MessageBox('剪贴板中没有图像数据！', '错误', wx.OK | wx.ICON_ERROR)
        else:
            wx.MessageBox('剪贴板中没有图像数据！', '错误', wx.OK | wx.ICON_ERROR)
if __name__ == '__main__':
    app = wx.App()
    frame = MyFrame()
    frame.Show()
    app.MainLoop()