爬取全部的校园新闻

作业来源：https://edu.cnblogs.com/campus/gzcc/GZCC-16SE1/homework/3002
from bs4 import BeautifulSoup
import requests as 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):##一般需要通过使用compile的方法把正则表达式转化为pattern(编译时的字符串表达式)
    id=re.search('_(.*).html',newurl).group(1).split('/')[1]##取数组第二个元素，以/分开字符串，默认为-1，全分，
    clickurl='http://oa.gzcc.cn/api.php?op=count&id={}&modelid+80'.format(id)##format代替%d代表参数的方式，把参数填到{}内
    click=int(request.get(clickurl).text.split(".")[-1].lstrip("html('").rstrip("');"))##删除)末尾的字符串，删除html(前面的字符串，选取第一个数组，以.分开字符串##向服务器发出请求，构造对象，内容为服务器返回的值
    return click;
def getonpages(listurl):
    res=request.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('.new-list-title')[0].text
            time=news.select('.news-list-info')[0].content[0].text
            url1=news.select('a')[0]['href']
            bumen=news.select('.news-list-info')[0].content[1].text
            description=news.select('.news-list-description')[0].text

            read=requests.get(url1)
            read.encoding='utf-8'
            soupd=BeautifulSoup(read.text,'html.parser')
            detail=soupd.select('.show-content')[0].text
            click=getclick(url1)
            print(title,click)

            count=int(soup.select('.a1')[0].text.rstrip)("条")##rstript删除末尾指定的字符串，数组获取为第一组，以选择方式得到类名为a1内容
            pages=count//10+1
            for i in range(2,4):
                pagesurl="http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html".format(i)
                getonpages(pagesurl)

参考网站：https://www.jb51.net/article/141830.htm
https://blog.csdn.net/k_koris/article/details/82950654
https://www.cnblogs.com/tina-python/p/5508402.html
https://www.cnblogs.com/keye/p/7868059.html
https://www.cnblogs.com/benric/p/4965224.html
http://www.runoob.com/python/att-string-split.html