python第三方库bs4库实例之爬取古诗词网上诗歌

# 使用bs4提取网页，先利用find_all解析
import requests
from bs4 import BeautifulSoup
DATA = []
def getHTMLtext(url,headers,timeout=10):
    try :
        resp = requests.get(url,headers=headers,timeout=timeout)
        resp.raise_for_status
        resp.encoding = 'utf-8'
        return resp.text
    except:
        return ''
def bs4_find_all_Parser(text):
    soup = BeautifulSoup(text,'lxml')
    sons = soup.find_all('div',class_ = "sons")[:10] #返回一个，每一个元素都是Tag类型
    # 注意：上一步里面返回了一些其他的元素，我们可以提取出前面的10项，那是我们需要用到的
    for son in sons:
        name = son.find('b').string
        print(name)
        dynasty_author = son.find('p',class_="source").get_text()
        print(dynasty_author)
        content = son.find('div',class_="contson").get_text().strip()
        print(content)
        like = son.find_all('span')[1].string.strip()
        print('点赞数:'+like)
        print('\n'+'*'*30+'\n')
         
  
if __name__ == '__main__':
        url = 'https://www.gushiwen.org/default_1.aspx'
        headers = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.109 Safari/537.36'}
        text = getHTMLtext(url,headers)
        if text == '':
            print('url: {} 访问失败'.format(url))
        else:
            bs4_find_all_Parser(text)

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