Python Selenium 网页元素交互：精准定位并选择下拉菜单选项

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service
from selenium.webdriver.chrome.options import Options
import time # 用于演示，实际项目中建议使用显式等待

# 配置 Chrome 选项
chrome_options = Options()
# chrome_options.add_argument("--headless") # 如果不需要可视化浏览器，可以开启无头模式
# chrome_options.add_argument("--disable-gpu") # 无头模式下通常需要
# service = Service('/path/to/your/chromedriver') # 替换为你的 chromedriver 路径
driver = webdriver.Chrome(options=chrome_options)
driver.get("https://www.gurufocus.com/stocks")
time.sleep(3) # 给页面加载一些时间，实际应用中应使用显式等待

try:
    # 假设下拉菜单触发器有一个类名 "aio-tabs-button"
    dropdown_trigger = driver.find_element(By.CLASS_NAME, "aio-tabs-button")
    dropdown_trigger.click()
    print("成功点击下拉菜单触发器。")
    time.sleep(1) # 等待下拉菜单展开
except Exception as e:
    print(f"点击下拉菜单触发器失败: {e}")

try:
    # 定位包含文本“100”且类名为“item”的 div 元素
    option_100 = driver.find_element(By.XPATH, "//div[@class='item' and contains(text(), '100')]")
    option_100.click()
    print("成功选择 '100' 选项。")
    time.sleep(2) # 等待页面内容更新
except Exception as e:
    print(f"选择 '100' 选项失败: {e}")

from selenium import webdriver
from selenium.webdriver.common.by import By
from selenium.webdriver.chrome.service import Service
from selenium.webdriver.chrome.options import Options
import time

def interact_with_dropdown(url):
    chrome_options = Options()
    # chrome_options.add_argument("--headless")
    # chrome_options.add_argument("--disable-gpu")

    # 假设 chromedriver 在系统 PATH 中，或者你可以指定路径
    # service = Service('/path/to/your/chromedriver') 
    driver = webdriver.Chrome(options=chrome_options)

    try:
        driver.get(url)
        print(f"打开网页: {url}")
        time.sleep(3) # 给予页面足够时间加载

        # 步骤一：定位并点击下拉菜单触发器
        dropdown_trigger = driver.find_element(By.CLASS_NAME, "aio-tabs-button")
        dropdown_trigger.click()
        print("成功点击下拉菜单触发器。")
        time.sleep(1) # 等待下拉菜单展开

        # 步骤二：定位并选择目标选项 (例如 '100')
        option_100 = driver.find_element(By.XPATH, "//div[@class='item' and contains(text(), '100')]")
        option_100.click()
        print("成功选择 '100' 选项。")
        time.sleep(2) # 等待页面内容更新

        # 可以在这里添加验证代码，例如获取当前显示的股票数量
        # current_display_info = driver.find_element(By.CLASS_NAME, "some-info-element").text
        # print(f"当前显示信息: {current_display_info}")

    except Exception as e:
        print(f"自动化操作过程中发生错误: {e}")
    finally:
        driver.quit()
        print("浏览器已关闭。")

if __name__ == "__main__":
    target_url = "https://www.gurufocus.com/stocks"
    interact_with_dropdown(target_url)