这里提前准备了一段简单的alert页面
<html>
<head></head>
<button id="only">快点我!</button>
<script>
a = 200
function demo(){alert(a);}
var aa = document.getElementById("only")
aa.onclick = function(){
demo();
}
</script>
</html>
下面代码切换处理alert弹窗
from selenium import webdriver
from selenium.webdriver.support.wait import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
# Alert
driver = webdriver.Chrome()
driver.get('file:///Users/cody/Desktop/seleniumAlert.html')
driver.find_element_by_id('only').click()
# 等待弹窗出现
WebDriverWait(driver,20).until(EC.alert_is_present())
# 切换进alert
alert = driver.switch_to.alert
# 打印alert文本内容
print(alert.text)
# 关闭弹框(接受)
alert.accept()
# # 关闭弹窗(拒绝)
# alert.dismiss()
# # 向弹窗里输入内容
# alert.send_keys('selenium')
print(driver.current_url)
driver.quit()