标签：tle turn code etc port sele url int range
1.获取单条新闻的#标题#链接#时间#来源#内容 #点击次数，并包装成一个函数。
import requests from bs4 import BeautifulSoup from datetime import datetime import re url=‘http://news.gzcc.cn/html/xiaoyuanxinwen/‘ res=requests.get(url) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) for news in soup.select(‘li‘): if len(news.select(‘.news-list-title‘))>0: title=news.select(‘.news-list-title‘)[0].text url=news.select(‘a‘)[0][‘href‘] time=news.select(‘.news-list-info‘)[0].contents[0].text dt=datetime.strptime(time,‘%Y-%m-%d‘) source=news.select(‘.news-list-info‘)[0].contents[1].text print(title,url,time,dt,source)
2.获取一个新闻列表页的所有新闻的上述详情，并包装成一个函数。
import requests from bs4 import BeautifulSoup from datetime import datetime import re url=‘http://news.gzcc.cn/html/xiaoyuanxinwen/‘ res=requests.get(url) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) for news in soup.select(‘li‘): if len(news.select(‘.news-list-title‘))>0: title=news.select(‘.news-list-title‘)[0].text url=news.select(‘a‘)[0][‘href‘] time=news.select(‘.news-list-info‘)[0].contents[0].text dt=datetime.strptime(time,‘%Y-%m-%d‘) source=news.select(‘.news-list-info‘)[0].contents[1].text resd=requests.get(url) resd.encoding=‘utf-8‘ soupd=BeautifulSoup(resd.text,‘html.parser‘) ar=soupd.select(‘.show-content‘)[0].text print(title,url,time,dt,source,ar) break
3.获取所有新闻列表页的网址，调用上述函数。
import requests from bs4 import BeautifulSoup from datetime import datetime import re url=‘http://news.gzcc.cn/html/xiaoyuanxinwen/‘ res=requests.get(url) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) def getonepage(listurl): res=requests.get(listurl) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) for news in soup.select(‘li‘): if len(news.select(‘.news-list-title‘))>0: title=news.select(‘.news-list-title‘)[0].text url=news.select(‘a‘)[0][‘href‘] time=news.select(‘.news-list-info‘)[0].contents[0].text dt=datetime.strptime(time,‘%Y-%m-%d‘) source=news.select(‘.news-list-info‘)[0].contents[1].text resd=requests.get(url) resd.encoding=‘utf-8‘ soupd=BeautifulSoup(resd.text,‘html.parser‘) ar=soupd.select(‘.show-content‘)[0].text print(title,url,time,dt,source) getonepage(‘http://news.gzcc.cn/html/xiaoyuanxinwen/index.html‘) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) page= int(soup.select(‘.a1‘)[0].text.rstrip(‘条‘))//10+1 for i in range(2,page+1): listurl=‘http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html‘.format(i) getonepage(listurl)
4.完成所有校园新闻的爬取工作。
import requests from bs4 import BeautifulSoup from datetime import datetime import re url=‘http://news.gzcc.cn/html/xiaoyuanxinwen/‘ res=requests.get(url) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) def getclick(newurl): id = re.match(‘http://news.gzcc.cn/html/2017/xiaoyuanxinwen_(.*).html‘,newurl).groups()[0].split(‘/‘)[1] clickurl = ‘http://oa.gzcc.cn/api.php?op=count&id=8301&modelid=80‘.format(id) click = int(requests.get(clickurl).text.split(‘.‘)[-1].lstrip("html(‘").rstrip("‘);")) return(click) def getonepage(listurl): res=requests.get(listurl) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) for news in soup.select(‘li‘): if len(news.select(‘.news-list-title‘))>0: title=news.select(‘.news-list-title‘)[0].text url=news.select(‘a‘)[0][‘href‘] time=news.select(‘.news-list-info‘)[0].contents[0].text dt=datetime.strptime(time,‘%Y-%m-%d‘) source=news.select(‘.news-list-info‘)[0].contents[1].text resd=requests.get(url) resd.encoding=‘utf-8‘ soupd=BeautifulSoup(resd.text,‘html.parser‘) ar=soupd.select(‘.show-content‘)[0].text click=getclick(url) print(title,url,time,dt,source,click) getonepage(‘http://news.gzcc.cn/html/xiaoyuanxinwen/index.html‘) res.encoding=‘utf-8‘ soup=BeautifulSoup(res.text,‘html.parser‘) page= int(soup.select(‘.a1‘)[0].text.rstrip(‘条‘))//10+1 for i in range(2,4): listurl=‘http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html‘.format(i) getonepage(listurl)
标签：tle turn code etc port sele url int range
原文地址：http://www.cnblogs.com/a122624/p/7655322.html
