zoukankan      html  css  js  c++  java
  • 数据结构化和保存

    import requests
    from bs4 import BeautifulSoup
    from datetime import datetime
    import re
    import pandas
    
    #获取点击次数
    def getClickCount(newsUrl):
        newId=re.search('\_(.*).html',newsUrl).group(1).split('/')[1]
        clickUrl="http://oa.gzcc.cn/api.php?op=count&id={}&modelid=80".format(newId)
        clickStr = requests.get(clickUrl).text
        count = re.search("hits').html('(.*)');", clickStr).group(1)
        return count
    
    #获取新闻详情
    def getNewsDetail(newsurl):
        resd=requests.get(newsurl)
        resd.encoding='utf-8'
        soupd=BeautifulSoup(resd.text,'html.parser')
    
        news={}
        news['title']=soupd.select('.show-title')[0].text
        # news['newsurl']=newsurl
        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')
        news['click'] = int(getClickCount(newsurl))
        if info.find('来源')>0:
            news['source'] =info[info.find('来源:'):].split()[0].lstrip('来源:')
        else:
            news['source']='none'
        if info.find('作者:') > 0:
            news['author'] = info[info.find('作者:'):].split()[0].lstrip('作者:')
        else:
            news['author'] = 'none'
        # news['content']=soupd.select('.show-content')[0].text.strip()
    
        #获取文章内容并写入到文件中
        content=soupd.select('.show-content')[0].text.strip()
        writeNewsContent(content)
    
        return news
    
    def getListPage(listPageUrl):
        res=requests.get(listPageUrl)
        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:
                a=news.select('a')[0].attrs['href']
                newsList.append(getNewsDetail(a))
        return (newsList)
    
    #数据写入文件
    def writeNewsContent(content):
        f=open('gzccNews.txt','a',encoding='utf-8')
        f.write(content)
        f.close()
    
    def getPageNumber():
        ListPageUrl="http://news.gzcc.cn/html/xiaoyuanxinwen/"
        res=requests.get(ListPageUrl)
        res.encoding='utf-8'
        soup=BeautifulSoup(res.text,'html.parser')
        n = int(soup.select('.a1')[0].text.rstrip(''))//10+1
        return n
    
    
    newsTotal=[]
    firstPage='http://news.gzcc.cn/html/xiaoyuanxinwen/'
    newsTotal.extend(getListPage(firstPage))
    
    n=getPageNumber()
    for i in range(n,n+1):
        listUrl= 'http://news.gzcc.cn/html/xiaoyuanxinwen/{}.html'.format(i)
        newsTotal.extend(getListPage(listUrl))
    
    df=pandas.DataFrame(newsTotal)
    # df.to_excel("news.xlsx")
    
    # print(df.head(6))
    # print(df[['author','click','source']])
    # print(df[df['click']>3000])
    
    sou=['国际学院','学生工作处']
    print(df[df['source'].isin(sou)])
  • 相关阅读:
    MPSOC之5——开发流程BOOT.BIN
    MPSOC之6——开发流程linux编译
    MPSOC之1——overview、开发板、工具[转载]
    IC设计的前端和后端(转)
    [转载]深入理解JavaScript系列 --汤姆大叔
    xml的特殊字符
    JavaScript 对象
    knockoutjs关于ko.bindingHandlers的updata订阅
    单元测试 unittest 读取文件 (CSV, XML)
    单元测试 unittest 将断言结果生成测试报告
  • 原文地址:https://www.cnblogs.com/lk666/p/8862272.html
Copyright © 2011-2022 走看看