Python结合wxPython打造一个优雅的图片预览工具

class ImagePreviewFrame(wx.Frame):
    def __init__(self):
        super().__init__(parent=None, title='图片预览工具', size=(400, 250))
        
        panel = wx.Panel(self)
        vbox = wx.BoxSizer(wx.VERTICAL)
        
        # 添加说明文本
        info_text = wx.StaticText(panel, label='选择图片文件或从剪贴板获取图片，使用Chrome预览')
        vbox.Add(info_text, flag=wx.ALL | wx.CENTER, border=10)
        
        # 选择文件按钮
        btn_select = wx.Button(panel, label='选择图片文件')
        btn_select.Bind(wx.EVT_BUTTON, self.on_select_file)
        vbox.Add(btn_select, flag=wx.ALL | wx.EXPAND, border=10)
        
        # 剪贴板按钮
        btn_clipboard = wx.Button(panel, label='从剪贴板获取图片')
        btn_clipboard.Bind(wx.EVT_BUTTON, self.on_get_from_clipboard)
        vbox.Add(btn_clipboard, flag=wx.ALL | wx.EXPAND, border=10)
        
        # 状态文本
        self.status_text = wx.StaticText(panel, label='')
        vbox.Add(self.status_text, flag=wx.ALL | wx.CENTER, border=10)
        
        panel.SetSizer(vbox)
        self.Centre()
        self.Show()

def on_select_file(self, event):
    """选择图片文件"""
    wildcard = "图片文件 (*.png;*.jpg;*.jpeg;*.gif;*.bmp)|*.png;*.jpg;*.jpeg;*.gif;*.bmp"
    
    with wx.FileDialog(self, "选择图片文件",
                      wildcard=wildcard,
                      style=wx.FD_OPEN | wx.FD_FILE_MUST_EXIST) as fileDialog:
        
        if fileDialog.ShowModal() == wx.ID_CANCEL:
            return
        
        filepath = fileDialog.GetPath()
        self.open_in_chrome(filepath)

def on_get_from_clipboard(self, event):
    """从剪贴板获取图片"""
    if not wx.TheClipboard.Open():
        wx.MessageBox('无法打开剪贴板', '错误', wx.OK | wx.ICON_ERROR)
        return
    
    try:
        if wx.TheClipboard.IsSupported(wx.DataFormat(wx.DF_BITMAP)):
            bitmap_data = wx.BitmapDataObject()
            success = wx.TheClipboard.GetData(bitmap_data)
            wx.TheClipboard.Close()
            
            if success:
                bitmap = bitmap_data.GetBitmap()
                temp_file = self.save_bitmap_to_temp(bitmap)
                if temp_file:
                    self.open_in_chrome(temp_file)
            else:
                wx.MessageBox('无法从剪贴板获取图片', '错误', wx.OK | wx.ICON_ERROR)
        else:
            wx.TheClipboard.Close()
            wx.MessageBox('剪贴板中没有图片', '提示', wx.OK | wx.ICON_INFORMATION)
    except Exception as e:
        wx.TheClipboard.Close()
        wx.MessageBox(f'获取剪贴板图片时出错: {str(e)}', '错误', wx.OK | wx.ICON_ERROR)

def save_bitmap_to_temp(self, bitmap):
    """将位图保存为临时文件"""
    try:
        temp_fd, temp_path = tempfile.mkstemp(suffix='.png')
        os.close(temp_fd)
        
        image = bitmap.ConvertToImage()
        image.SaveFile(temp_path, wx.BITMAP_TYPE_PNG)
        
        self.temp_files.append(temp_path)
        return temp_path
    except Exception as e:
        wx.MessageBox(f'保存临时文件时出错: {str(e)}', '错误', wx.OK | wx.ICON_ERROR)
        return None

def open_in_chrome(self, filepath):
    """使用Chrome浏览器打开图片"""
    try:
        abs_path = os.path.abspath(filepath)
        file_url = 'file:///' + abs_path.replace('\\', '/')
        
        system = platform.system()
        chrome_paths = []
        
        if system == 'Windows':
            chrome_paths = [
                r'C:\Program Files\Google\Chrome\Application\chrome.exe',
                r'C:\Program Files (x86)\Google\Chrome\Application\chrome.exe',
                os.path.expanduser(r'~\AppData\Local\Google\Chrome\Application\chrome.exe')
            ]
        elif system == 'Darwin':  # macOS
            chrome_paths = [
                '/Applications/Google Chrome.app/Contents/MacOS/Google Chrome'
            ]
        else:  # Linux
            chrome_paths = [
                '/usr/bin/google-chrome',
                '/usr/bin/chromium-browser',
                '/usr/bin/chromium'
            ]
        
        chrome_path = None
        for path in chrome_paths:
            if os.path.exists(path):
                chrome_path = path
                break
        
        if chrome_path:
            subprocess.Popen(chrome_path, file_url])
            self.status_text.SetLabel(f'已在Chrome中打开: {os.path.basename(filepath)}')
        else:
            webbrowser.open(file_url)
            self.status_text.SetLabel(f'使用默认浏览器打开: {os.path.basename(filepath)}')
            
    except Exception as e:
        wx.MessageBox(f'打开图片时出错: {str(e)}', '错误', wx.OK | wx.ICON_ERROR)

pip install wxpython pillow

python image_preview.py