XPath Nodes

在 XPath 中，有七种类型的节点：元素、属性、文本、命名空间、处理指令、注释以及文档节点（或称为根节点）。

XPath 术语

节点（Node）

在 XPath 中，有七种类型的节点：元素、属性、文本、命名空间、处理指令、注释以及文档（根）节点。XML 文档是被作为节点树来对待的。树的根被称为文档节点或者根节点。

Gani kan wannan abin da ke cikin XML:

<?xml version="1.0" encoding="ISO-8859-1"?>
<bookstore>
<book>
  <title lang="en">Harry Potter</title>
  <author>J K. Rowling</author> 
  <year>2005</year>
  <price>29.99</price>
</book>
</bookstore>

Misali na nau'in nau'in na abin da ke cikin abin da ke cikin abin XML:

<bookstore> (nau'in dokument)
<author>J K. Rowling</author> (nau'in element)
lang="en" (nau'in abin da ke cikin nau'in)

Kiyasar kiyasar (ko kuma yana kira kiyasar atom, Atomic value)

Kiyasar kiyasar ita ce nau'in nau'in da ba a da baba ko kuma kuma.

Misali na kiyasar kiyasar:

J K. Rowling
"en"

Mai suna jiki (Item)

Mai suna jiki ce kuma nau'in nau'in.

Tsarin nau'in nau'in

Baba (Parent)

Kada kuma abin da ke cikin nau'in da kuma abin da ke cikin nau'in suna da baba.

Nin kananin da kuma gidan book ce gidan title, author, year da price:

<book>
  <title>Harry Potter</title>
  <author>J K. Rowling</author>
  <year>2005</year>
  <price>29.99</price>
</book>

Kuma (Children)

Abin da ke cikin nau'in element ce zai iya da yin kuma, wanda yake wanda ke cikin nau'in kuma ko wanda ke cikin nau'in.

Nin kananin da kuma title, author, year da price ce gidan book:

<book>
  <title>Harry Potter</title>
  <author>J K. Rowling</author>
  <year>2005</year>
  <price>29.99</price>
</book>

Kuma (Sibling)

Abin da ke da babban nau'i gaba ɗaya

Nin kananin da kuma title, author, year da price ce kuma:

<book>
  <title>Harry Potter</title>
  <author>J K. Rowling</author>
  <year>2005</year>
  <price>29.99</price>
</book>

Baba (Ancestor)

Baba na jiki, baba na baba na jiki, kuma sauri.

Nin kananin da kuma gidan title ce gidan book da gidan bookstore:

<bookstore>
<book>
  <title>Harry Potter</title>
  <author>J K. Rowling</author>
  <year>2005</year>
  <price>29.99</price>
</book>
</bookstore>

Ofan (Descendant)

Sun jiki na abin da ke cikin abin da ke cikin abin, kuma sauri.

Nin kananin da, gidan bookstore na baya ce book, title, author, year da price kuma:

<bookstore>
<book>
  <title>Harry Potter</title>
  <author>J K. Rowling</author>
  <year>2005</year>
  <price>29.99</price>
</book>
</bookstore>