爬取百度热搜榜前十

Posted 2021-03-05 lzq129

1.导入相应的库

2.找到要爬取的网站：http://top.baidu.com/buzz?b=341&c=513&fr=topbuzz_b341_c513

3.找到爬取的内容：

 

 4.用for循环将需要的内容添加到空列表中，在使用DataFrame打印出热搜榜前十

import requests
from bs4 import BeautifulSoup
import bs4
import pandas as pd
url = ‘http://top.baidu.com/buzz?b=341&c=513&fr=topbuzz_b341_c513‘
def f(s):
    try:
        headers = {‘User-Agent‘:‘Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (Khtml, like Gecko) Chrome/69.0.3497.100 Safari/537.36‘}
        r=requests.get(s,timeout=30,headers=headers)
        r.raise_for_status()
        r.encoding=r.apparent_encoding
        soup=BeautifulSoup(r.text,‘lxml‘)
        return soup
    except:
        return ""
soup=f(url)
a=[]
b=[]
for link1 in soup.find_all(class_=‘list-title‘): 
    a.append(link1.get_text())
for link2 in soup.find_all(‘td‘,class_=‘last‘):
    b.append(link2.get_text().strip())
data=pd.DataFrame([a,b],index=["关键词","搜索指数"]).T
print("爬取百度热搜榜前十:","
")
print(data.iloc[0:10])