发布于2020-02-10 15:55 阅读(1037) 评论(0) 点赞(23) 收藏(4)
仅供学习
from selenium import webdriver
from selenium.webdriver.common.keys import Keys #键盘按键操作from selenium.webdriver.support import expected_conditions as EC
import time
def get_goods(driver):
try:
goods=driver.find_elements_by_class_name('gl-item')
for good in goods:
detail_url=good.find_element_by_tag_name('a').get_attribute('href')
p_name=good.find_element_by_css_selector('.p-name em').text.replace('\n','')
price=good.find_element_by_css_selector('.p-price i').text
p_commit=good.find_element_by_css_selector('.p-commit a').text
msg = '''
商品 : %s
链接 : %s
价钱 :%s
评论 :%s
''' % (p_name,detail_url,price,p_commit)
print(msg,end='\n\n')
button=driver.find_element_by_partial_link_text('下一页')
button.click()
time.sleep(1)
get_goods(driver)
except Exception:
pass
def spider(url,keyword):
driver = webdriver.Chrome()
driver.get(url)
driver.implicitly_wait(3)
try:
input_tag=driver.find_element_by_id('key')
input_tag.send_keys(keyword)
input_tag.send_keys(Keys.ENTER)
get_goods(driver)
finally:
driver.close()
if __name__ == '__main__':
spider('https://www.jd.com/',keyword='iPhone8手机')
from requests_html import HTMLSession
session = HTMLSession()
page=1
while True:
res =session.get(f'https://search.jd.com/Search?keyword=苹果8&enc=utf-8&page={page*2-1}') #keyword搜索内容 #enc编码格式 #8page页数*2-1
res.html.encoding='utf8'
info_list=res.html.xpath('//*[@class="gl-i-wrap"]')
if not info_list:
print(f'一共爬取{page}页')
break
print(f'url={res.url}第{page}页',[info.text for info in info_list])
page+=1
selenium真的慢- -
作者:爸爸去挣钱我去幼儿园
链接:https://www.pythonheidong.com/blog/article/230953/dcb0f177dd61b99efbb5/
来源:python黑洞网
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