使用方法:
driver.switch_to_alert() + 方法
1. 获取警告框中text提示消息:
driver_text = driver.switch_to_alert().text
print driver
2. 接受弹窗/点击确定:
driver.switch_to_alert().accept()
3. 点击取消按钮:
driver.switch_to_alert().dismiss()
4. 输入:
driver.switch_to_alert().send_keys('hello')