XML

Ulimi lwe-eXtensible Markup

I-XML isifinyezo se Ulimi lwe-eXtensible Markup.

Kuyini Ulimi lwe-eXtensible Markup?

Ulimi lwemakhaphu oluguquguqukayo olusetshenziselwa ukuhlela nokuthutha idatha. Idlala indima ebalulekile ekwabelaneni ngedatha kumasistimu ahlukene. Nakhu okufingqiwe kwezici zayo nokusetshenziswa kwayo:

  1. Ukwakhiwa Nokudluliselwa Kwedatha: I-XML isetshenziswa ngokuyinhloko ukufaka ikhodi kumadokhumenti nedatha ngefomethi efundeka umuntu nefundeka umshini. Lokhu kuyenza ilungele izakhiwo zedatha eziyinkimbinkimbi kanye nokudlulisa idatha phakathi kwamasistimu noma izinkundla ezahlukene.
  2. Amathegi enziwe ngendlela oyifisayo: Ngokungafani i-HTML, esebenzisa amathegi achazwe ngaphambilini, i-XML ivumela ukudalwa kwamathegi angokwezifiso. Lokhu kuvumelana nezimo kuyenza ikwazi ukumela uhla olubanzi lwezakhiwo zedatha ezifanelana nezidingo ezithile zebhizinisi noma uhlelo lokusebenza.
  3. Ukushintshaniswa kwedatha: Ekuthengisweni nasekukhangiseni, i-XML ivamise ukusetshenziselwa ukushintshanisa idatha phakathi kwamasistimu ahlukene, njenge CRM (Ukuphathwa Kobudlelwane Bekhasimende), amathuluzi wokumaketha ezishintshayo, nemithombo yedatha yangaphandle. Lokhu kusiza ukuhlanganiswa nokuhlanganiswa kwedatha evela emithonjeni ehlukahlukene.
  4. Amasevisi Wewebhu nama-API: I-XML iyingxenye ebalulekile kumasevisi amaningi ewebhu kanye Ama-API (I-Application Programming Interfaces). Isetshenziselwa ukuthumela izicelo nokwamukela izimpendulo ngefomethi esezingeni, ebalulekile ekuxhumaneni nezinhlelo zokusebenza zesofthiwe ezahlukene.
  5. Ukusebenzisana kwe-Cross-Platform: Enye yamandla e-XML ubunjalo bayo obuzimele benkundla, okusho ukuthi ingasetshenziswa kuwo wonke amasistimu wokusebenza nezinhlelo zokusebenza, iqinisekise ukuhambisana nokuvumelana nezimo ekushintshanisweni kwedatha.
  6. Ukusekelwa Kwenziwa Kwamazwe Ngamazwe: I-XML isekela i-Unicode, iyivumela ukuthi imele idatha ngezilimi eziningi. Lokhu kubalulekile emabhizinisini asebenza ezimakethe zomhlaba, lapho ukuphatha idatha ngezilimi ezahlukene kuvame kudingekile.
  7. Ukumiswa kanye noMthethonqubo: I-XML iyindinganiso enakekelwa yi- I-W3C (World Wide Web Consortium), eqinisekisa ukuzinza nokwamukelwa kabanzi. Lokhu kumiswa kubalulekile emabhizinisini njengoba kuqinisekisa ukuthi izindlela zawo zokushintshisana ngedatha ziyabonakala emhlabeni wonke futhi ziyahambisana nezinye izinhlelo.

Isibonelo se-XML

Impela! Nasi isibonelo esilula sombhalo we-XML:

<Customer>
    <Name>John Doe</Name>
    <Email>johndoe@example.com</Email>
    <Orders>
        <Order>
            <OrderID>12345</OrderID>
            <Product>Smartphone</Product>
            <Quantity>1</Quantity>
            <Price>500</Price>
        </Order>
        <Order>
            <OrderID>12346</OrderID>
            <Product>Headphones</Product>
            <Quantity>2</Quantity>
            <Price>150</Price>
        </Order>
    </Orders>
</Customer>

Incazelo Yedokhumenti ye-XML:

  1. Impande Element: I <Customer> ithegi iyingxenye yempande. Ihlanganisa yonke idatha yedokhumenti ye-XML ehlobene nekhasimende elilodwa.
  2. Izakhi Zengane: Ngaphakathi kwesici sempande kunezakhi zengane, ngayinye imelela ucezu lwedatha. Ngokwesibonelo, <Name> futhi <Email> omaka banikeza igama lekhasimende nekheli le-imeyili.
  3. Izinto Ezisidleke: I <Orders> isici sisetshenziselwa ukuqoqa okuningi <Order> izici, ngayinye imele i-oda ngalinye elenziwe ikhasimende. Lokhu kubonisa ukuthi i-XML ingamela kanjani izakhiwo zedatha eziyinkimbinkimbi ngokufaka isidleke.
  4. Izinto kanye nedatha: Ngamunye <Order> isici siqukethe ezinye izakhi zengane ezifana <OrderID>, <Product>, <Quantity>, Futhi <Price>, ngayinye iphethe idatha eqondene nalolo hlelo.
  5. Ukuzichaza Imvelo: I-XML iyazichaza, okusho ukuthi omaka ngokwabo bachaza imvelo yedatha abayiqukethe. Ngokwesibonelo, <Product> kukhombisa ngokusobala ukuthi okuqukethwe kuyo yigama lomkhiqizo.
  6. Ukuvumelana nezimo kanye nokwandiswa: Uma kudingeka, izinkambu zedatha ezengeziwe zingangezwa kalula. Ngokwesibonelo, a <Date> isici singengezwa ku-oda ngalinye ukuze kucaciswe usuku lokuthenga.

Lesi sakhiwo se-XML siwusizo ikakhulukazi ekuthengisweni nasekukhangiseni ekuphatheni nasekuhlanganyeleni ulwazi lwekhasimende, imininingwane ye-oda, kanye nolwazi lomkhiqizo kuwo wonke amasistimu ahlukene. Ukwakheka okucacile, okulandelanayo kwenza kube lula ukufunda nokucubungula kokubili kubantu nemishini.

I-XML iyithuluzi elibalulekile ekuthengisweni nasekukhangiseni ekuhlelweni kwedatha, ukushintshana, nokuhlanganisa, elisiza ukuxhumana okungenazihibe phakathi kwezinhlelo nezinkundla ezihlukahlukene.

  • Isifinyezo: XML
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