Cov txheej txheem:
Video: Dab tsi yog XPath hauv selenium nrog piv txwv?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
XPath yog siv los nrhiav qhov chaw ntawm txhua lub caij ntawm nplooj ntawv web siv HTML DOM qauv. Basic hom ntawm XPath tau piav qhia hauv qab no nrog kev tshuaj ntsuam xyuas.
Dab tsi yog XPath ?
| XPath Cov chaw | Nrhiav cov ntsiab lus sib txawv ntawm nplooj ntawv web |
|---|---|
| Lub npe | Nrhiav lub caij los ntawm lub npe ntawm lub caij |
| Txuas ntawv nyeem | Txhawm rau nrhiav cov ntsiab lus los ntawm cov ntawv nyeem ntawm qhov txuas |
Ib yam li ntawd, koj tuaj yeem nug, XPath hauv Selenium yog dab tsi?
XPath yog ib tug txheej txheem nyob rau hauv Selenium mus taug kev los ntawm cov qauv HTML ntawm nplooj ntawv. XPath tso cai rau cov neeg sim taug kev los ntawm XML qauv ntawm ib daim ntawv, thiab qhov no tuaj yeem siv rau ntawm ob qho tib si HTML thiab XML cov ntaub ntawv. Cov ncej no saib ntau txoj hauv kev los siv cov XPath element hauv Selenium xaiv ntau yam.
Tsis tas li ntawd, qhov txawv ntawm thiab hauv XPath hauv Selenium yog dab tsi? '/' hauv XPath Kev nthuav qhia tshawb rau cov me nyuam tam sim ntawd thaum nrhiav cov ntsiab lus hauv lub vev xaib ntawm nplooj ntawv. '//' hauv XPath Kev nthuav qhia tshawb rau cov menyuam yaus tam sim no thiab qib tom ntej thaum nrhiav cov ntsiab lus hauv lub vev xaib ntawm nplooj ntawv.
Tom qab ntawd, XPath yog dab tsi thiab nws hom?
Ntau yam hom ntawm X-path: Xpath yog ob hom raws li nram no. Tsis muaj Xpath : Nws yog tus feem ntau ncaj nraim txoj kev nrhiav ib lub vev xaib tab sis tus demerit rau tus kiag li Xpath yog tias nws tau ua tsis tiav thaum muaj kev hloov pauv hauv lub Xpath ntawm tus web element rau tus HTML document.
Muaj pes tsawg hom XPath muaj?
Muaj ob hom XPath:
- Absolute XPath.
- kwv tij XPath.
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