这个作业的要求来自于：。

 

我爬取的网页是某高校的新闻信息网站：http://news.gzcc.cn/html/2005/xiaoyuanxinwen_0710/4.html。

代码如下：

# -*- coding: utf-8 -*-

"""

Spyder Editor

This is a temporary script file.

"""

import pymysql

from sqlalchemy import create_engine

import requests

from bs4 import BeautifulSoup

from datetime import datetime

import re

import pandas as pd

import sqlite3

import time

import random

def click(url):

id=re.findall('(\d{1,5})',url)[-1]

clickUrl='http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(id)

resClick=requests.get(clickUrl)

newsClick=int(resClick.text.split('.html')[-1].lstrip("('").rstrip("');"))

return newsClick

def newsdt(showinfo):

newsDate=showinfo.split()[0].split(':')[1]

newsTime=showinfo.split()[1]

newsDT=newsDate+' '+newsTime

dt=datetime.strptime(newsDT,'%Y-%m-%d %H:%M:%S')

return dt

def anews(url):

newsDetail={}

res=requests.get(url)

res.encoding='utf-8'

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

newsDetail['nenewsTitle']=soup.select('.show-title')[0].text

showinfo=soup.select('.show-info')[0].text

newsDetail['newsDT']=newsdt(showinfo)

newsDetail['newsClick']=click(url)

return newsDetail

def alist(url):

res=requests.get(listUrl)

res.encoding='utf-8'

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

newsList=[]

for news in soup.select('li'):

if len(news.select('.news-list-title'))>0:

newsUrl=news.select('a')[0]['href']

newsDesc=news.select('.news-list-description')[0].text

newsDict=anews(newsUrl)

newsDict['description']=newsDesc

newsList.append(newsDict)

return newsList

listUrl='http://news.gzcc.cn/html/xiaoyuanxinwen/'

alist(listUrl)

res=requests.get(listUrl)

res.encoding='utf-8'

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

for n in soup.select('li'):

if n.select('.news-list-title'):

print(n.select('a')[0]['href'])

i=int(soup.select('#pages')[0].text.split('..')[1].rstrip(' 下一页 '))

allnews=[]

for i in range(99,109): #爬取校园网有限范围的新闻内容

listUrl='http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html'.format(i)

allnews.extend(alist(listUrl))

len(allnews)

print(allnews)

newsUrl='http://news.gzcc.cn/html/2005/xiaoyuanxinwen_0710/4.html'

anews(newsUrl)

res=requests.get('http://news.gzcc.cn/html/xiaoyuanxinwen/')

res.encoding='utf-8'

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

for news in soup.select('li'):

if len(news.select('.news-list-title'))>0:

newsUrl=news.select('a')[0]['href']

print(anews(newsUrl))

s1=pd.Series([100,23,'bugingcode'])

print(s1)

pd.Series(anews)

newsdf=pd.DataFrame(allnews)

for i in range(5):

print(i)

time.sleep(random.random()*3) #设置合理的爬取间隔

print(newsdf)

newsdf.to_excel('123.xlsx') #在本地项目下生成一个表格存储爬取新闻内容

conInfo = "mysql+pymysql://root:@localhost:3306/gzccnewsdb?charset=utf8"

engine = create_engine(conInfo,encoding='utf-8')

newsdf.to_sql(name='news',con=engine,if_exists='append',index=False,index_label='id')

pymysql.connect(host='localhost',port=3306,user='root',passwd='',db='gzccnewsdb',charset='utf8')

 

代码运行效果如下：

 

将新闻内容存储到Excel表中，效果如下：

 

将新闻内容存储到数据库中，效果如下：