1.取出一个新闻列表页的全部新闻 包装成函数。

2.获取总的新闻篇数，算出新闻总页数。

3.获取全部新闻列表页的全部新闻详情。

import requestsfrom  bs4 import  BeautifulSoupfrom datetime import datetimeimport localeimport relocale.setlocale(locale.LC_CTYPE,'chinese')def getClickCount(newsUrl):    newsId = re.findall('\_(.*).html', newsUrl)[0].split('/')[1]   #使用正则表达式取得新闻编号    clickUrl = 'http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80'.format(newsId)    clickStr = requests.get(clickUrl).text    return(re.search("hits'\).html\('(.*)'\);",clickStr).group(1))def getNewsContent(content):    f = open('gzccNews.txt','a',encoding='utf8')    f.write(content)    f.close()def getNewDetail(newsUrl):    resd = requests.get(newsUrl)  # 返回response    resd.encoding = 'utf-8'    soupd = BeautifulSoup(resd.text, 'html.parser')    print('标题：' + soupd.select('.show-title')[0].text)    print('链接：'+newsUrl)    newsUrl = newsUrl    info = soupd.select('.show-info')[0].text    time = re.search('发布时间:(.*) \xa0\xa0 \xa0\xa0作者：', info).group(1)    dtime = datetime.strptime(time, '%Y-%m-%d %H:%M:%S')    if info.find('作者：') > 0:        author = info[info.find('作者：'):].split()[0].lstrip('作者：')    else:        author = '无'    if info.find('审核：') > 0:        check = info[info.find('审核：'):].split()[0].lstrip('审核：')    else:        check = '无'    if info.find('来源：') > 0:        source = info[info.find('来源：'):].split()[0].lstrip('来源：')    else:        sourec = '无'    if info.find('摄影：') > 0:        photo = info[info.find('摄影：'):].split()[0].lstrip('摄影：')    else:        photo = '无'    print('发布时间：{}\n作者：{}\n审核：{}\n来源：{}\n摄影：{}'.format(dtime,author,check,source,photo))    clickCount = getClickCount(newsUrl)    print('点击次数：' + clickCount)    content = soupd.select('.show-content')[0].text    getNewsContent(content)    # print(content)def getLiUrl(ListPageUrl):    res = requests.get(ListPageUrl)    res.encoding = 'utf-8'    soup = BeautifulSoup(res.text,'html.parser')    # print(soup.select('li'))    for news in soup.select('li'):        if len(news.select('.news-list-title'))>0:            a = news.a.attrs['href']            getNewDetail(a)firstUrl = 'http://news.gzcc.cn/html/xiaoyuanxinwen/'print('第1页：')getLiUrl(firstUrl)res = requests.get(firstUrl)res.encoding = 'utf-8'soupn = BeautifulSoup(res.text,'html.parser')n =  int(soupn.select('.a1')[0].text.rstrip('条'))//10+1# for i in range(2,n):#     pageUrl = 'http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html'.format(i)#     print('第{}页：'.format(i))#     getLiUrl(pageUrl)#     break

结果截图：

4.找一个自己感兴趣的主题，进行数据爬取，并进行分词分析。不能与其它同学雷同。

import requests,jieba,localefrom  bs4 import  BeautifulSouplocale.setlocale(locale.LC_CTYPE,'chinese')def getKeyWords(text):    str = '''一！“”，。？、；’"',.、\t：\n'''    for s in str:        text = text.replace(s, '')    wordlist = list(jieba.cut(text))    exclude = {
      '是','的','在','了','个','和','说',}    wordset = set(wordlist) - exclude    dict = {}    keywords = []    for key in wordset:        dict[key] = wordlist.count(key)    dictlist = list(dict.items())    dictlist.sort(key=lambda x: x[1], reverse=True)    for i in range(5):        keywords.append(dictlist[i][0])    return  keywordsdef getNewDetail(newsUrl):    resd = requests.get(newsUrl)  # 返回response    resd.encoding = 'gbk'    soupd = BeautifulSoup(resd.text, 'html.parser')    print('链接：' + newsUrl)    print('标题：' + soupd.select('h1')[0].text)    content = soupd.select('.box_con')[0].text    keywords = getKeyWords(content)    print('关键词：{}、{}、{}'.format(keywords[0], keywords[1], keywords[2]))    tands = soupd.select('.box01')[0].text    print('日期：'+tands.split()[0])    print(tands.split()[1])    print(soupd.select('.edit')[0].text.lstrip('(').rstrip(')'))    print(content)def getLiUrl(ListPageUrl):    res = requests.get(ListPageUrl)    res.encoding = 'gbk'    soupn = BeautifulSoup(res.text,'html.parser')    # print(soupn.select('li'))    for news in soupn.select('.on'):            atail = news.a.attrs['href']            a = 'http://legal.people.com.cn/'+atail            getNewDetail(a)            breakUrl = 'http://legal.people.com.cn/'res = requests.get(Url)res.encoding = 'gbk'soup = BeautifulSoup(res.text,'html.parser')print('第1页：')getLiUrl(Url)for i in range(2,6):    pageUrl = 'http://legal.people.com.cn/index{}.html#fy01'.format(i)    print('第{}页：'.format(i))    getLiUrl(pageUrl)    break

结果截图：