python中selenium安装配置与使用示例

pip install selenium

from selenium import webdriver
driver = webdriver.Chrome()  # 使用Chrome浏览器
driver.get("https://www.example.com")  # 打开网页

# 通过ID定位
element = driver.find_element_by_id("id_value")
# 通过类名定位
element = driver.find_element_by_class_name("class_name")
# 通过XPath定位
element = driver.find_element_by_xpath("//input[@name='username']")

element.send_keys("text")  # 输入文本
element.click()  # 点击元素

from selenium.webdriver.common.by import By
from selenium.webdriver.support.ui import WebDriverWait
from selenium.webdriver.support import expected_conditions as EC
element = WebDriverWait(driver, 10).until(
    EC.presence_of_element_located((By.ID, "id_value"))
)

driver.quit()  # 关闭所有窗口并退出驱动

alert = driver.switch_to.alert
alert.accept()  # 确认弹窗

driver.switch_to.frame("frame_name_or_id")

driver.execute_script("window.scrollTo(0, document.body.scrollHeight);")

driver.save_screenshot("screenshot.png")