关于 Python 的几个问题 - V2EX
V2EX = way to explore
V2EX 是一个关于分享和探索的地方
Sign Up Now
For Existing Member  Sign In
Colorful

关于 Python 的几个问题

  •  
  •   Colorful Oct 26, 2019 1710 views
    This topic created in 2377 days ago, the information mentioned may be changed or developed.
    import re
    import urllib.request
    import urllib.error
    headers = ("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.100 Safari/537.36")
    opener=urllib.request.build_opener()
    opener.addheaders=[headers]
    urllib.request.install_opener(opener)
    for i in range(2,10):
    aurl="http://m.qiushi.92game.net/?page="+str(i)
    pagedata=urllib.request.urlopen(aurl).read().decode('utf-8','ignore')
    data2 = pagedata
    pat='<div class="qiushi" id=".*?">(.*?)</div>'
    datalist = re.compile(pat)
    datalist2 = datalist.findall(pagedata)
    for j in range(0,len(datalist2)):
    print("第"+str(i)+"页第"+str(j)+"条内容是")
    print(datalist2[j])


    这是爬一个网站的代码,我想请教这么几个问题

    假如说做一个扩展的话,想单独爬标题我会,单独爬内容也会
    把爬出来的字段,放到数据库里面,或者放到一个表格里面,应该怎么样写?
    暂时在看 pyhton 方面的教程

    框架这块我还没开始学。想先多了解一下。
    5 replies    2019-10-26 01:20:43 +08:00
    RicardoY
        1
    RicardoY  
       Oct 26, 2019 via Android
    贴代码可以用 markdown..插入数据库就直接插入啊..python 还拼错了..
    crab
        2
    crab  
       Oct 26, 2019
    选择个数据库,创建表字段等等,把 datalist2[j]执行插入。
    imn1
        3
    imn1  
       Oct 26, 2019/span>
    那就看你用什么数据库
    sqlite 有内置 module,其他的一般需要第三方库,看它们带的文档
    一般是把数据组织为 sql 语句,然后执行写入
    CallMeReznov
        4
    CallMeReznov  
       Oct 26, 2019
    手建个库,然后循环 SQL 插入即可。
    ClericPy
        5
    ClericPy  
       Oct 26, 2019
    三个内置库的用法, 一搜教程一大把
    sqlite3
    json
    csv
    pickle

    从上往下
    About     Help     Advertise     Blog     API     FAQ     Solana     1017 Online   Highest 6679       Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 42ms UTC 22:17 PVG 06:17 LAX 15:17 JFK 18:17
    Do have faith in what you're doing.
    ubao msn snddm index pchome yahoo rakuten mypaper meadowduck bidyahoo youbao zxmzxm asda bnvcg cvbfg dfscv mmhjk xxddc yybgb zznbn ccubao uaitu acv GXCV ET GDG YH FG BCVB FJFH CBRE CBC GDG ET54 WRWR RWER WREW WRWER RWER SDG EW SF DSFSF fbbs ubao fhd dfg ewr dg df ewwr ewwr et ruyut utut dfg fgd gdfgt etg dfgt dfgd ert4 gd fgg wr 235 wer3 we vsdf sdf gdf ert xcv sdf rwer hfd dfg cvb rwf afb dfh jgh bmn lgh rty gfds cxv xcv xcs vdas fdf fgd cv sdf tert sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf sdf shasha9178 shasha9178 shasha9178 shasha9178 shasha9178 liflif2 liflif2 liflif2 liflif2 liflif2 liblib3 liblib3 liblib3 liblib3 liblib3 zhazha444 zhazha444 zhazha444 zhazha444 zhazha444 dende5 dende denden denden2 denden21 fenfen9 fenf619 fen619 fenfe9 fe619 sdf sdf sdf sdf sdf zhazh90 zhazh0 zhaa50 zha90 zh590 zho zhoz zhozh zhozho zhozho2 lislis lls95 lili95 lils5 liss9 sdf0ty987 sdft876 sdft9876 sdf09876 sd0t9876 sdf0ty98 sdf0976 sdf0ty986 sdf0ty96 sdf0t76 sdf0876 df0ty98 sf0t876 sd0ty76 sdy76 sdf76 sdf0t76 sdf0ty9 sdf0ty98 sdf0ty987 sdf0ty98 sdf6676 sdf876 sd876 sd876 sdf6 sdf6 sdf9876 sdf0t sdf06 sdf0ty9776 sdf0ty9776 sdf0ty76 sdf8876 sdf0t sd6 sdf06 s688876 sd688 sdf86