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Semalt: I-Best Web Scraper Ukukhipha Idatha Ye-Inthanethi

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Ukucutshungulwa kokuqukethwe noma i-web scrap ing inqubo yokusebenzisa isofthiwe ekhethekile noma uhlelo lokusebenza lewebhu ukuze kukhuliswe okuqukethwe kusuka kuwebhusayithi. Ukufakela isikhalazo kubangani be-webmasters nabathuthukisi abafuna ukuthola okusheshayo ukufinyelela kokuthola ulwazi olukhona kwamanye amasayithi.

Izicelo zokucutshungulwa kokuqukethwe

Ukukhwabanisa kweWeb kungenziwa ngendlela engalungile ngokusetshenziswa kwe-imeyili yokuthengisa, ukugaxekile , nama-robocalls - commercial vehile bluebook. Ngenxa yalokhu, abaningi be-webmasters bakhetha ukuhlala kude nabo. Kodwa-ke, uma kwenziwa i-web scraping ye-ethics ethize kungaba yindlela enamandla kakhulu yokuzuza kumaphrojekthi wewebhu.

Ungasetshenziswa kanjani ukudweba

Ake sicabangele isiqondisi se-intanethi kuwo wonke amahhotela endaweni. Uma umthuthukisi we-website ufuna ukuhlanganisa wonke amahhotela, kuzodingeka afake phakathi kwedatha ngesandla. Le nqubo ivame ukuthatha amashumi ezinkulungwane zamahora ukuqinisekisa ukuthi zonke ihhotela ezweni lifakiwe. Nge-23 (web) ye-web scraper , lowo webmaster ongangena angafaka imibuzo yokusesha bese ebutha leyo datha ngokuzenzakalelayo kusuka kumasayithi ahlukahlukene.

Yakha noma Thenga I-Web Scraper?

Uma ufuna ithuluzi le-web scraping, ungakha eyodwa kusukela ekuqaleni noma usebenzise kakade okhona. Iningi labathuthukisi abanalo amakhono adingekayo, ulwazi, amathuluzi, noma izinsiza zokwakha ithuluzi lokuhlunga ngesandla. Izindaba ezinhle ukuthi kunezinqwaba ze-scrapers ezakhiwe ngaphambilini.

Izindlela Nezobuchwepheshe ezisetshenziswe kwi-Web Scraping Software

Uma uzokwakha i-scraper yakho, udinga ukuqonda ukuthi yiziphi ubuchwepheshe ezihilelekile ekuqoqeni idatha. Iningi le-scrapers lakhiwe nge-HTML, isebenzisa i-DOM parsing (ukuxubungula imodeli yento yedokhumenti) ukuhlunga nge-HTML ukuze kukhishwe ulwazi olufunayo kuphela. Kufanele uqaphele ama-divs, ama-spans, amakilasi, nezinto zezinhlu zedatha ofuna ukuyifaka bese uzifaka kuzilungiselelo zakho.

I-Mozenda Scraping Technology

i-Mozenda scraper isebenzisa isiphequluli esithile esenza ubuchwepheshe bubukeke njengesiphequluli sewebhu. Yisebenzise ukuze ungadluli kalula emakhasini angaphakathi wangaphakathi ukuze ubuthe idatha oyidingayo. Usebenzisa i-AJAX ne-Javascript, i-Mozenda isungula izindlela zokuhamba nezenzo, futhi ikuzenzele.

December 22, 2017