使用Selenium的Facebook群组帖子抓取仅返回一个帖子

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

driver = webdriver.Chrome()  # 使用Chrome浏览器，需要提前安装ChromeDriver并配置好环境变量
driver.get("https://www.facebook.com")  # 打开Facebook网页

# 根据实际情况填写Facebook账号和密码
username = "your_username"
password = "your_password"

# 定位并填写账号和密码输入框
driver.find_element(By.ID, "email").send_keys(username)
driver.find_element(By.ID, "pass").send_keys(password)

# 点击登录按钮
driver.find_element(By.NAME, "login").click()

# 等待登录完成，直到出现用户头像
WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.CLASS_NAME, "fbxWelcomeBoxName"))))

# 根据实际情况填写目标群组的URL
group_url = "https://www.facebook.com/groups/your_group_id"

driver.get(group_url)  # 打开目标群组页面

# 等待页面加载完成，直到出现帖子元素
WebDriverWait(driver, 10).until(EC.presence_of_element_located((By.CSS_SELECTOR, "div[data-testid='fbfeed_story']")))

# 获取所有帖子元素
posts = driver.find_elements(By.CSS_SELECTOR, "div[data-testid='fbfeed_story']")

# 只返回第一个帖子的内容
first_post = posts[0].text

print(first_post)