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Semalt: Joang ho Scrape A Web Page Ho sebelisa Google Chrome Extension

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Sesepa sa skrine ke script e balang libaka le lisebelisoa tsa tlhahisoleseding e molemo ho web. Ho shebella sefahleho ke tharollo e ka sehloohong ea ho fumana boitsebiso ba sebele bo tsoang marang-rang le maqephe a maqephe a Microsoft Excel. Google Chrome Extension Scraper ke sesebelisoa se matla sa scraping se sebetsang ka bobeli Windows le Mac OS.

Ke hobane'ng ha Google Chrome Extension Scraper?

Google Chrome extension scraper ke sesebelisoa se matla sa ho senya skrine se tsamaisang mahala ho Chrome Web Store. Sesebelisoa sena sa ho senya se kenngoa ho browser ea Chrome e le plugin - como obtener vps gratis. Phallo e lumella li-blogger le barekisi hore ba fumane boitsebiso bo tsoang maqepheng a maqephe ka ho tobetsa ka ho nepahetseng ho karolo. '' Scrape Similar '' e lokela ho phallela skrineng ea hau haeba u tobetsa ka mokhoa o nepahetseng sehlopha.

Selelekela ho XPaths

XPath ke puo ea lenaneo e sebelisetsoang ho fumana boitsebiso bo bohlokoa ka mekhoa ea XML. Faele ea HTML ke mohlala o babatsehang oa sebopeho sa XML. XPath e atisa ho sebelisoa ho khetha li-node tse lebisitsoeng. Ka moelelo ona, XPaths e tla sebelisoa ho fumana hore na temana e lokelang ho nkuoa leqepheng la hau. XPaths e tla boela e thuse ho tseba mabitso a mokha le lipalo tsa fono tsa lipampiri tsa Sweden.

Ho sebelisa Google Chrome's scraper ho fihlella lintlha tsa boitsebiso ba li-MP9 tsa Swedish

tse nang le Chrome's Scraper, ho nka boitsebiso bo tsoang leqepheng la websaeteng ha ho bonolo empa hape hoa thabisa. U tla thabela mokhoa ona le mokhoa oo ka boeona.

Websaeteng ena e thathamisa litho tsohle tsa Seswedishe le liaterese tsa tsona. E le hore u qale, tobetsa ka ho le letona ho MP leha e le efe 'me u khethe "Scrape Similar. "U lokela ho bona pontšo e latelang skrineng ea hau.

Mohlahlandlela oa mehato le mohato oa kamoo u ka shebellang leqephe la web page

Haeba u tobetsa ka mokhoa o nepahetseng ho MP e le 'ngoe u khethe "Hlahloba karolo," lethathamo la lialfabeta le tla bopa tlas'a "" grid_6 alpha omega sephetho sa lipatlisiso ". Mehato e 'meli e tla sebelisoa ho hlakola leqephe lena la websaete. Mohato o mong o tla kenyelletsa ho khetha matšoao a nang le ditaba tsa MPs le XPath. Mohato oa bobeli o tla kenyelletsa ho khetholla likarolo tse itseng tsa dintlha tse kang mabitso a mokga, mabitso, le nomoro ea fono le ho hlophisa boitsebiso ka lihlopha.

Mohato oa 1

Cheka ka ho tebileng mohahong oa HTML mme u boloke litekanyetso li tsitsitse. Tšoaea matšoao ho khetholla lenane la matšoao a lumellanang le lintlha tsebopong ea hau. Khetholla lebo ea ho qetela e nang le boitsebiso bo lebisitsoeng. Etsa tlhahlobo ea XPath setsing ka ho tobetsa "Scrape. "

Lenane le nang le mela e 349 le tla bonts'oa ka skrineng ea hau. 349 e emela palo ea litho tsa MPs tsa Sweden.

mohato oa 2

arola litlhaloso tse hlahisoang ka har'a lihlopha. Hlahloba khoutu ea HTML leqepheng la marang-rang oo u neng u le sebelisa. Tabeng ena, likotoana tse lokelang ho ntšoa ke motsotso ona o bontšitsoeng ka mosehla. Kenya li-XPaths tšimong ea lihlopha tse entsoeng 'me u tobetse "Scrape" ho sebelisa plugin.

Haeba u na le tsebo ea mantlha ea XPaths, ho utloisisa lenaneo e ke ke ea e-ba mosebetsi o boima bakeng sa hau. Mehato e hlalositsoeng ka holimo e u tataisa hore na u ka sheba leqephe la websaete ea scrape joang. Haeba o ntse o sebetsa ho senya maqephe a mangata, u hloka ho ba le tsebo ea ho etsa lenaneo.

December 22, 2017