爬取新闻列表

  • 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
    import re
    
    url_main="http://news.gzcc.cn/html/xiaoyuanxinwen/"
    res = requests.get(url_main)
    res.encoding = 'utf-8'
    
    soup = BeautifulSoup(res.text,'html.parser')
    li = soup.select('li')
    
    def gethits(url_1):
        li_id =re.search('_.*/(.*).html',url_1).groups(0)[0]
        hits = requests.get('http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(li_id)).text.split('.')[-1].rstrip('''');''').lstrip(''''html(''')
        return hits
    
    def getpageinfo(label):
        for title_list in label:
            if len(title_list.select('.news-list-title'))>0:
                href = title_list.select('a')[0]['href']
                title = title_list.select('.news-list-title')[0].text
                time = title_list.select('span')[0].text
                info = title_list.select('span')[1].text
    
                res_list = requests.get(href)
                res_list.encoding = 'utf-8'
                soup_list = BeautifulSoup(res_list.text,'html.parser')
                text_list = soup_list.select('.show-content')[0].text
    
                hits_list = gethits(href)
    
                print('时间:',time,'\n标题:',title,'\n链接:',href,'\n来源:',info,'\n点击次数:',hits_list,'\n')
                print('正文:',text_list)
                break
    
    getpageinfo(li)

     

  • 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
import re

url_main="http://news.gzcc.cn/html/xiaoyuanxinwen/"
res = requests.get(url_main)
res.encoding = 'utf-8'

soup = BeautifulSoup(res.text,'html.parser')
li = soup.select('li')

def gethits(url_1):
    li_id =re.search('_.*/(.*).html',url_1).groups(0)[0]
    hits = requests.get('http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(li_id)).text.split('.')[-1].rstrip('''');''').lstrip(''''html(''')
    return hits

def getpageinfo(label):
    for title_list in label:
        if len(title_list.select('.news-list-title'))>0:
            href = title_list.select('a')[0]['href']
            title = title_list.select('.news-list-title')[0].text
            time = title_list.select('span')[0].text
            info = title_list.select('span')[1].text

            res_list = requests.get(href)
            res_list.encoding = 'utf-8'
            soup_list = BeautifulSoup(res_list.text,'html.parser')
            text_list = soup_list.select('.show-content')[0].text

            hits_list = gethits(href)

            print('时间:',time,'\n标题:',title,'\n链接:',href,'\n来源:',info,'\n点击次数:',hits_list,'\n')
            print('正文:',text_list)
            
getpageinfo(li)

 

 

  • 获取所有新闻列表页的网址,调用上述函数
import requests
from bs4 import BeautifulSoup
import re

url_main="http://news.gzcc.cn/html/xiaoyuanxinwen/"
res = requests.get(url_main)
res.encoding = 'utf-8'

soup = BeautifulSoup(res.text,'html.parser')
li = soup.select('li')

def gethits(url_1):
    li_id =re.search('_.*/(.*).html',url_1).groups(0)[0]
    hits = requests.get('http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(li_id)).text.split('.')[-1].rstrip('''');''').lstrip(''''html(''')
    return hits

def getpageinfo(label):
    for title_list in label:
        if len(title_list.select('.news-list-title'))>0:
            href = title_list.select('a')[0]['href']
            title = title_list.select('.news-list-title')[0].text
            time = title_list.select('span')[0].text
            info = title_list.select('span')[1].text

            res_list = requests.get(href)
            res_list.encoding = 'utf-8'
            soup_list = BeautifulSoup(res_list.text,'html.parser')
            text_list = soup_list.select('.show-content')[0].text

            hits_list = gethits(href)


getpageinfo(li)

pages = int(soup.select('.a1')[0].text.rstrip(''))//10+1

for i in range(2,pages+1):
    url_page = "http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html".format(i)
    
    res_page = requests.get(url_page)
    res_page.encoding = 'utf-8'

    soup_page = BeautifulSoup(res_page.text,'html.parser')
    list_page = soup.select('li')

    getpageinfo(list_page)
    print(url_page)

  • 完成所有校园新闻的爬取工作。
import requests
from bs4 import BeautifulSoup
import re

url_main="http://news.gzcc.cn/html/xiaoyuanxinwen/"
res = requests.get(url_main)
res.encoding = 'utf-8'

soup = BeautifulSoup(res.text,'html.parser')
li = soup.select('li')

def gethits(url_1):
    li_id =re.search('_.*/(.*).html',url_1).groups(0)[0]
    hits = requests.get('http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(li_id)).text.split('.')[-1].rstrip('''');''').lstrip(''''html(''')
    return hits

def getpageinfo(label):
    for title_list in label:
        if len(title_list.select('.news-list-title'))>0:
            href = title_list.select('a')[0]['href']
            title = title_list.select('.news-list-title')[0].text
            time = title_list.select('span')[0].text
            info = title_list.select('span')[1].text

            res_list = requests.get(href)
            res_list.encoding = 'utf-8'
            soup_list = BeautifulSoup(res_list.text,'html.parser')
            text_list = soup_list.select('.show-content')[0].text

            hits_list = gethits(href)

            print('时间:',time,'\n标题:',title,'\n链接:',href,'\n来源:',info,'\n点击次数:',hits_list,'\n')
            print('正文:',text_list)
            #break

getpageinfo(li)

pages = int(soup.select('.a1')[0].text.rstrip(''))//10+1

for i in range(2,pages+1):
    url_page = "http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html".format(i)
    
    res_page = requests.get(url_page)
    res_page.encoding = 'utf-8'

    soup_page = BeautifulSoup(res_page.text,'html.parser')
    list_page = soup.select('li')

    getpageinfo(list_page)
    #break

 

posted @ 2017-10-11 21:12  12-张振勋  阅读(269)  评论(0编辑  收藏  举报