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Shafukan yanar gizo na Shafukan Yanar Gizo na Yanar Gizo na Shafuka na Yanar Gizo Daga Ƙwararrayar Gwaji

1 answers:

Idan kana amfani da Google Chrome, akwai tsawo don burauzarka wanda zai iya taimakawa wajen shafe shafukan intanet. An san shi da '' Scrapper, '' kuma za'a iya amfani dashi ba tare da matsaloli ba. Scrapper zai taimaka wajen zayyana abun ciki na yanar gizo da kuma aikawa da sakamakon zuwa rubutun Google.

Yadda za a cire shafin yanar gizon ta hanyar amfani da tsawo mai ɓoyewa?

1. Zaɓi Yanar gizo ta Yanar Gizo ta Chrome a cikin Google Chrome;

2. A cikin kari, gudanar da bincike don '' Scrapper '';

3. Sakamakon binciken farko shine tsawo da aka sani da '' Scrapper '';

4. Zaɓi maballin da aka jera a matsayin '' Ƙara zuwa Chrome ';

5. Sake komawa zuwa Ƙasar MPs;

6. Danna wadannan ;

7. Yanzu bincika MP daya da tabbatar da shigar da shigarwa;

8. Danna-dama don zaɓar "Scrape Hakazalika ... "wani zaɓi;

9. Za'a tashi a wani taga don kwashewa;

10. Dubi rubutun da ake ciki a cikin maciji

11. Don tabbatar da abin da aka ajiye a matsayin Fayil ɗin Rubutun Google, zaɓi "Ajiyayye zuwa Tashoshin Google ..."

Tsare-gyare

Kafin yin jurewa zuwa wannan girke-girke , yana da amfani mu fahimci ainihin tushen HTML.Da misali, za ka iya karanta ɗan gajeren gabatarwar zuwa HTML ta hanyar wannan link

Bari muyi tunanin muna sha'awar duk fina-finai wanda ya faɗo Asia Argento, wani shahararren ɗan Italiyanci Italiyanci

1. Akwai cikakken cikakken ɗakun bayanai na 'yan wasan kwaikwayon a cikin IMDB. Asusun Asia Argento: https://www.imdb.com/name/nm0000782/;

2. A nan, za ka iya ganin dukkanin rawar da actress ta taka..Bari mu fara lalata bayanin da muke sha'awar;

3. Ka yi kokarin gwada shi yadda aka bayyana a sama;

4. Za ka ga cewa jerin suna da maƙasudin bit. Wannan shi ne saboda gaskiyar cewa jerin a nan za a iya tsara su daban;

5. Kai zuwa ga na'ura mai kwalliya. Hagu hagu, za ku ga kananan akwatin cewa yana nufin XPath;

6. Xpath wani nau'i ne na ƙididdigar da ke aiki don XML da HTML;

7. XPath zai iya taimakawa wajen gano sassa na shafin da kake sha'awar. Abu na gaba shi ne neman samfurin da ya dace da kuma rubuta XPath akan shi;

8. Yanzu bari mu shirya teburin mu;

9. Za ku ga cewa XPath ɗinmu na yanzu, wanda ke da dukkan bayanai da ake bukata shine "// div [3] / div [3] / div [2] / div";

10. XPath ya sanar da tsarin don duba zanen HTML kuma zaɓi na uku, sa'an nan kuma kashi na biyu sannan kuma dukansu;

11. Amma, muna so mu raba bayanan mu;

12. Yi amfani da sassan ginshiƙai a cikin na'ura don kwalliya don yin hakan;

13. Bari mu fara samun lakabinmu NAZARI: Yayi amfani da Abinda ke duba don duba taken;

14. Duba take a cikin tag. Ƙara tag zuwa XPath;

15. Maganar ta bayyana aiki daidai, don haka sa shi shafinmu ta farko;

16. A cikin sashe "ginshiƙai", maye gurbin sunan farko na sunan zuwa "taken";

17. Ƙara XPath zuwa gare ta;

18. A cikin ɓangaren shafi, XPaths dangi ne kuma yana nufin cewa "./b" za ta zaɓa nau'in

19. A cikin XPath don shafi shafi, ƙara "./b" kuma zaɓi "layi";

20. Yanzu bari mu ci gaba har shekara guda. Ana iya samo shekaru a cikin lokaci guda;

21. Ƙirƙirar sabon shafi ta zaɓin ƙananan da gaba da shafi don take;

22. Ta amfani da XPath "./span" ƙirƙirar shafi don "shekara";

23. Danna rubutun kuma duba yadda aka kara shekara;

24 Source . Anyi!

December 6, 2017