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@@ -0,0 +1,56 @@
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+import asyncio
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+from playwright.async_api import async_playwright
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+
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+# 执行自动化浏览器操作的协程函数
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+
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+
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+async def run(playwright):
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+ # 启动 Chromium 浏览器（设置为非 headless 模式，方便观察）
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+ browser = await playwright.chromium.launch(headless=False)
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+ context = await browser.new_context() # 创建新的浏览器上下文
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+ page = await context.new_page() # 打开一个新的标签页
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+
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+ # 访问百度首页
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+ await page.goto('https://www.baidu.com')
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+
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+ # 等待搜索框加载完成并输入关键词
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+ search_input_selector = 'input#kw' # 百度搜索输入框的 ID 是 kw
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+ await page.wait_for_selector(search_input_selector) # 等待元素加载
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+ await page.fill(search_input_selector, 'Playwright 自动化') # 填入搜索关键词
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+
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+ # 等待搜索按钮加载并点击
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+ search_button_selector = 'input#su' # 百度搜索按钮的 ID 是 su
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+ # 确保按钮可见
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+ await page.wait_for_selector(search_button_selector, state='visible')
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+ await page.click(search_button_selector) # 点击搜索
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+
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+ print("已在百度搜索 'Playwright 自动化'")
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+
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+ # 保持页面停留 5 秒以便查看结果
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+ await asyncio.sleep(5)
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+
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+ # 关闭浏览器
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+ await browser.close()
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+
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+# 主函数，用于启动 playwright 并调用 run 函数
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+
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+
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+async def main():
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+ async with async_playwright() as playwright:
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+ await run(playwright)
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+
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+# 判断当前环境是否已经有事件循环在运行
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+if __name__ == "__main__":
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+ try:
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+ # 尝试获取正在运行的事件循环（某些 IDE/Jupyter 会预先启动）
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+ loop = asyncio.get_running_loop()
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+ except RuntimeError:
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+ loop = None
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+
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+ # 如果事件循环存在且正在运行（比如在 Jupyter Notebook 中）
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+ if loop and loop.is_running():
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+ print("检测到事件循环正在运行，使用 create_task 启动协程")
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+ asyncio.create_task(main()) # 使用 create_task 异步运行
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+ else:
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+ # 否则，正常使用 asyncio.run 启动主协程
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+ asyncio.run(main())
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