学习总结week5

学习总结week5

python- selenium操作

1.执行滚动操作

from selenium.webdriver import Chrome
from time import sleep
from bs4 import BeautifulSoup
b = Chrome()
b.get('/')
b.find_element_by_id('key').send_keys('电脑n')
sleep(1)
# 执行滚动操作    -   执行js中的滚动代码 window.scrollBy(x偏移量 , y偏移量)
for x in range(10):b.execute_script('window.scrollBy(0, 800)')sleep(1)
soup = BeautifulSoup(b.page_source, 'lxml')
good_list = soup.select('#J_goodsList>ul>li')

# 爬虫练习
from selenium.webdriver import Chrome
from time import sleep
from bs4 import BeautifulSoup
import csvdef get_date():res = []global bb = Chrome()b.get('/')b.find_element_by_id('key').send_keys('电脑n')sleep(1)for i in range(3):for x