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用requests库和BeautifulSoup4库爬取新闻列表

时间:2017-09-28 21:56:18      阅读:267      评论:0      收藏:0      [点我收藏+]

1.用requests库和BeautifulSoup4库,爬取校园新闻列表的时间、标题、链接、来源

import requests
from bs4 import BeautifulSoup
a=requests.get(http://news.gzcc.cn/html/xiaoyuanxinwen/)
a.encoding=utf-8
soup=BeautifulSoup(a.text,html.parser)
for xinwen in soup.select(li):
    if len(xinwen.select(.news-list-description))>0:
        time = xinwen.select(.news-list-info)[0].contents[0].text
        title = xinwen.select(.news-list-description)[0].text
        source = xinwen.select(.news-list-description)[0].text
        url = xinwen.select(a)[0][href]
        print(time,title,source,url)

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2.选一个自己感兴趣的主题,做类似的操作,为“爬取网络数据并进行文本分析”做准备

import requests
from bs4 import BeautifulSoup
from datetime import datetime

a=requests.get(http://news.gzcc.cn/html/jxky/)
a.encoding=utf-8
soup=BeautifulSoup(a.text,html.parser)

def getdetail(url):
    resd = requests.get(url)
    resd.encoding=utf-8
    soupd = BeautifulSoup(resd.text,html.parser)
    return (soupd.select(.show-content)[0].text)
for xinwen in soup.select(li):
    if len(xinwen.select(.news-list-description))>0:
        time = xinwen.select(.news-list-info)[0].contents[0].text
        dt = datetime.strptime(time,%Y-%m-%d)
        title = xinwen.select(.news-list-description)[0].text
        source = xinwen.select(.news-list-description)[0].text
        url = xinwen.select(a)[0][href]
        detail = getdetail(url)
        print(time,title,source,url,detail)
        break

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用requests库和BeautifulSoup4库爬取新闻列表

原文:http://www.cnblogs.com/ELsky/p/7608746.html

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