python selenium

python selenium获取页面元素

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
from selenium.common.exceptions import TimeoutException
from selenium import webdriver

# 参数配置
userName="xxxxxx"
password="xxxxxx"
url="xxxxxx"
loginUlr=url+"login"
indexUrl=url+"Plan/Index"
appUrl=url+"Platform/Sys/Application"

# 使用Chrome浏览器，需要安装对应版本的ChromeDriver
driver = webdriver.Chrome()
# 设置等待20秒
wait = WebDriverWait(driver, 20) 

# 打开登录页面，模拟登录
driver.get(loginUlr)
username_input = driver.find_element(By.CSS_SELECTOR, "input[type='text']")
password_input = driver.find_element(By.CSS_SELECTOR, "input[type='password']")
button = driver.find_element(By.CSS_SELECTOR, "button[type='button