在最小化浏览器的情况下给浏览器截图 python

import win32gui import win32ui import win32con import win32api from PIL import Image import time from ctypes import windll def capture_window_by_title(window_title, output_path="window_capture.png"): """ 根据窗口标题截取指定窗口内容，无需激活窗口 Args: window_title: 窗口标题（部分匹配） output_path: 输出图片路径 """ # 查找窗口句柄 def enum_windows_callback(hwnd, windows): if win32gui.IsWindowVisible(hwnd): window_text = win32gui.GetWindowText(hwnd) if window_title.lower() in window_text.lower(): windows.append(hwnd) return True windows = [] win32gui.EnumWindows(enum_windows_callback, windows) if not windows: print(f"未找到包含 '{window_title}' 的窗口") return None # 选择第一个匹配的窗口 hwnd = windows[0] # 获取窗口位置和大小 left, top, right, bottom = win32gui.GetWindowRect(hwnd) width = right - left height = bottom - top # 获取设备上下文 hwndDC = win32gui.GetWindowDC(hwnd) mfcDC = win32ui.CreateDCFromHandle(hwndDC) saveDC = mfcDC.CreateCompatibleDC() # 创建位图 saveBitMap = win32ui.CreateBitmap() saveBitMap.CreateCompatibleBitmap(mfcDC, width, height) saveDC.SelectObject(saveBitMap) # 使用 PrintWindow API 截取窗口 result = windll.user32.PrintWindow(hwnd, saveDC.GetSafeHdc(), 3) if result: # 转换为PIL图像 bmpinfo = saveBitMap.GetInfo() bmpstr = saveBitMap.GetBitmapBits(True) im = Image.frombuffer( 'RGB', (bmpinfo['bmWidth'], bmpinfo['bmHeight']), bmpstr, 'raw', 'BGRX', 0, 1) im.save(output_path) print(f"窗口截图已保存到: {output_path}") # 清理资源 win32gui.DeleteObject(saveBitMap.GetHandle()) saveDC.DeleteDC() mfcDC.DeleteDC() win32gui.ReleaseDC(hwnd, hwndDC) return output_path if result else None # 使用示例 if __name__ == "__main__": # 截取Edge浏览器窗口 capture_window_by_title("Edge", "edge_capture.png")