111-白红宇

111

阅读量：6793 次

发布时间：2019-06-26

本文共 2937 字，大约阅读时间需要 9 分钟。

import reimport requestsfrom bs4 import BeautifulSoupfrom datetime import datetimedef getClickCount(r):    s = re.findall('\_(.*).html', r)[0].split('/')[-1]    res = requests.get('http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(s))    return  int(res.text.split('.html')[-1].lstrip("('").rstrip("');"))def getNewsDetail(newsUrl):   #一篇新闻的全部内容    resd = requests.get(newsUrl)    resd.encoding = 'utf-8'    soupd = BeautifulSoup(resd.text, 'html.parser')     #打开新闻详情并解析    news = {}    news['title']=soupd.select('.show-title')[0].text    info=soupd.select('.show-info')[0].text    news['dt']=datetime.strptime(info.lstrip('发布时间:')[0:19], '%Y-%m-%d %H:%M:%S')    if  info.find('来源：')>0:        news['source']=info[info.find('来源：'):].split()[0].lstrip('来源：')    else:        news['source']='none'    news['content'] = soupd.select('.show-content')[0].text.strip()    news['click']=getClickCount(newsUrl)    news['newsUrl'] = newsUrl    return(news)def getListPage(pageUrl):   #9. 取出一个新闻列表页的全部新闻 包装成函数def getListPage(pageUrl)    res = requests.get(pageUrl)    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].attrs['href']            newslist.append(getNewsDetail(newsUrl))    return(newslist)def getPageN():    res = requests.get('http://news.gzcc.cn/html/xiaoyuanxinwen/')    res.encoding = 'utf-8'    soup = BeautifulSoup(res.text, 'html.parser')    pagenumber=int(soup.select('.a1')[0].text.rstrip('条'))    page = pagenumber//10+1    return pagenewstotal = []firstPageUrl='http://news.gzcc.cn/html/xiaoyuanxinwen/'newstotal.extend(getListPage(firstPageUrl))n=getPageN()# f = open('gzccnews.txt','a',encoding='utf-8')for i in range(n,n+1):    listPageUrl='http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html'.format(i)    newstotal.extend(getListPage(listPageUrl))for news in newstotal:    print(news)import pandasdf = pandas.DataFrame(newstotal)df.to_excel('gzccnews.xlsx')

# print(df.tail(3)) # print(df[2:5]) # print(df['title']) # print(df[(df['click']>2000)&(df['click']<5000)]) # sou = ['国际学院','学生工作处'] # print(df[df['source'].isin(sou)]) # print(df.index) # df[df['dt']>'2018-04-12 14:01:24'] # df.index # print(df[1:5]) # df1 = df.set_index('dt') # print(df1.index) # # print(df1['2018-04-12 17:27:50':'2018-04-04 09:35:00']) # print(df1['2018-04']) import sqlite3 with sqlite3.connect('gzccnewsdb.sqlite') as db:     df.to_sql('gzccnews',con= db,if_exists='replace') with sqlite3.connect('gzccnewsdb.sqlite') as db:     df2 = pandas.read_sql_query('SELECT * FROM gzccnews',con=db) print(df2) import pymysql from sqlalchemy import create_engine conn = create_engine('mysql+pymysql://root:@localhost:3306/gz?charset=utf8') pandas.io.sql.to_sql(df2,'news1',con=conn,if_exists='replace')