用python爬取关键词并解释

Posted 2023-03-08

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小羊努力搞代码
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学习日志：Python 实现网络爬虫——提取关键字 原创
2022-06-19 13:02:38

小羊努力搞代码

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编写一段Python代码，向百度提交查询关键词“桃花源记”，抓取百度的查询结果，要求有文字、链接，可以在浏览器中打开抓取的链接，或者调用浏览器打开抓取的链接。

红框内是根据网站信息需要更改的内容。57031baa3a394395be479ad89f1ff15e.png

附上完整代码：

import json
import requests
from lxml import etree
headers =
"User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (Khtml, like Gecko) "
"Chrome/88.0.4324.104 Safari/537.36"

response = requests.get('https://www.baidu.com/s?wd=桃花源记&lm=0', headers=headers)
r = response.text
html = etree.HTML(r, etree.HTMLParser())
r1 = html.xpath('//h3')
r2 = html.xpath('//*[@class="content-right_8Zs40"]')
r3 = html.xpath('//*[@class="c-row source_1Vdff OP_LOG_LINK c-gap-top-xsmall"]/a/@href')
for i in range(4):
r11 = r1[i].xpath('string(.)')
r22 = r2[i].xpath('string(.)')
r33 = r3[i]
with open('桃花源记.txt', 'a', encoding='utf-8') as c:
c.write(json.dumps(r11,ensure_ascii=False) + '\n')
c.write(json.dumps(r22, ensure_ascii=False) + '\n')
c.write(json.dumps(r33, ensure_ascii=False) + '\n')
print(r11, end='\n')
print('------------------------')
print(r22, end='\n')
print(r33)