对话框
Dialog 对象由页面通过 page.on("dialog") 事件分发。
使用Dialog
类的一个示例:
- Sync
- 异步
from playwright.sync_api import sync_playwright, Playwright
def handle_dialog(dialog):
print(dialog.message)
dialog.dismiss()
def run(playwright: Playwright):
chromium = playwright.chromium
browser = chromium.launch()
page = browser.new_page()
page.on("dialog", handle_dialog)
page.evaluate("alert('1')")
browser.close()
with sync_playwright() as playwright:
run(playwright)
import asyncio
from playwright.async_api import async_playwright, Playwright
async def handle_dialog(dialog):
print(dialog.message)
await dialog.dismiss()
async def run(playwright: Playwright):
chromium = playwright.chromium
browser = await chromium.launch()
page = await browser.new_page()
page.on("dialog", handle_dialog)
page.evaluate("alert('1')")
await browser.close()
async def main():
async with async_playwright() as playwright:
await run(playwright)
asyncio.run(main())
note
对话框会自动关闭,除非存在page.on("dialog")监听器。当监听器存在时,它必须调用dialog.accept()或dialog.dismiss()来处理对话框 - 否则页面会冻结等待对话框响应,点击等操作将永远无法完成。
方法
accept
Added before v1.9当对话框被接受时返回。
用法
dialog.accept()
dialog.accept(**kwargs)
参数
返回
关闭
Added before v1.9当对话框被关闭时返回。
用法
dialog.dismiss()
返回
属性
default_value
Added before v1.9如果对话框是提示框,则返回默认提示值。否则,返回空字符串。
用法
dialog.default_value
返回
消息
Added before v1.9对话框中显示的消息。
用法
dialog.message
返回
页面
Added in: v1.34触发此对话框的页面(如果存在)。
用法
dialog.page
返回
类型
Added before v1.9返回对话框的类型,可以是以下之一:alert
、beforeunload
、confirm
或 prompt
。
用法
dialog.type
返回