selenium

#  -*- coding:utf-8 -*-

from selenium import webdriver  # 导入webdriver包
# 导入friefox webdriver 包
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary
import time  # 调入time函数

binary = FirefoxBinary(
    "C:\\Program Files (x86)\\Mozilla Firefox\\firefox.exe")  # 加入Firefox的路径
# 定义driver 要操控火狐浏览器 webdriver.firefox
driver = webdriver.Firefox(firefox_binary=binary)

driver.get("http://www.santostang.com/2018/07/04/hello-world/")

driver.switch_to.frame(driver.find_element_by_css_selector("iframe[title='livere']"))
comment = driver.find_element_by_css_selector('div.reply-content')
content = comment.find_element_by_tag_name('p')
print(content.text)

参考了这篇文章

https://www.cnblogs.com/ppppying/p/6143803.html