xpath
Seleziona nodi con nomi uguali o contenenti una stringa
Ricerca…
Sintassi
All'interno di un nodo specifico:
{path-to-parent} / name () = 'search string']
Ovunque nel documento:
// * [name () = 'search string']
Parametri
funzione | valore di ritorno |
---|---|
local-name () | il nome del nodo senza prefisso |
Osservazioni
il risultato nome-locale () non include prefisso (funzione lookup name () XPATH per esso)
Cerca nodi con nome come Luce, Dispositivo o Sensore
XML
<Galaxy>
<Light>sun</Light>
<Device>satellite</Device>
<Sensor>human</Sensor>
<Name>Milky Way</Name>
</Galaxy>
XPATH
/Galaxy/*[local-name()='Light' or local-name()='Device' or local-name()='Sensor']
o
//*[local-name()='Light' or local-name()='Device' or local-name()='Sensor']
PRODUZIONE
<Light>sun</Light>
<Device>satellite</Device>
<Sensor>human</Sensor>
Cerca nodi con nome che contiene Luce
XML
<Data>
<BioLight>
<name>Firefly</name>
<model>Insect</model>
</BioLight>
<ArtificialLight>
<name>Fire</name>
<model>Natural element</model>
<source>flint</source>
</ArtificialLight>
<SolarLight>
<name>Sun</name>
<model>Star</model>
<source>helium</source>
</SolarLight>
</Data>
XPATH
/Data/*[contains(local-name(),"Light")]
o
//*[contains(local-name(),"Light")]
PRODUZIONE
<BioLight>
<name>Firefly</name>
<model>Insect</model>
</BioLight>
<ArtificialLight>
<name>Fire</name>
<model>Natural element</model>
<source>flint</source>
</ArtificialLight>
<SolarLight>
<name>Sun</name>
<model>Star</model>
<source>helium</source>
</SolarLight>
Cerca nodi con nomi che iniziano con Star
XML
<College>
<FootBall>
<Members>20</Members>
<Coach>Archie Theron</Coach>
<Name>Wild cats</Name>
<StarFootballer>David Perry</StarFootballer>
</FootBall>
<Academics>
<Members>100</Members>
<Teacher>Tim Jose</Teacher>
<Class>VII</Class>
<StarPerformer>Lindsay Rowen</StarPerformer>
</Academics>
</College>
XPATH
/College/*/*[starts-with(local-name(),"Star")]
o
//*[starts-with(local-name(),"Star")]
PRODUZIONE
<StarFootballer>David Perry</StarFootballer>
<StarPerformer>Lindsay Rowen</StarPerformer>
Cerca i nodi che hanno un nome che termina con Ball
XML
<College>
<FootBall>
<Members>20</Members>
<Coach>Archie Theron</Coach>
<Name>Wild cats</Name>
<StarPlayer>David Perry</StarPlayer>
</FootBall>
<VolleyBall>
<Members>24</Members>
<Coach>Tim Jose</Coach>
<Name>Avengers</Name>
<StarPlayer>Lindsay Rowen</StarPlayer>
</VolleyBall>
<FoosBall>
<Members>22</Members>
<Coach>Rahul Mehra</Coach>
<Name>Playerz</Name>
<StarPlayer>Amanda Ren</StarPlayer>
</FoosBall>
</College>
XPATH
/College/*[ends-with(local-name(),"Ball")]
o
//*[ends-with(local-name(),"Ball")]
PRODUZIONE
<FootBall>
<Members>20</Members>
<Coach>Archie Theron</Coach>
<Name>Wild cats</Name>
<StarPlayer>David Perry</StarPlayer>
</FootBall>
<VolleyBall>
<Members>24</Members>
<Coach>Tim Jose</Coach>
<Name>Avengers</Name>
<StarPlayer>Lindsay Rowen</StarPlayer>
</VolleyBall>
<FoosBall>
<Members>22</Members>
<Coach>Rahul Mehra</Coach>
<Name>Playerz</Name>
<StarPlayer>Amanda Ren</StarPlayer>
</FoosBall>
Cerca nodi con luce del nome (maiuscole / minuscole)
XML
<Galaxy>
<Light>sun</Light>
<Device>satellite</Device>
<Sensor>human</Sensor>
<Name>Milky Way</Name>
</Galaxy>
XPATH
/Galaxy/*[lower-case(local-name())="light"]
o
//*[lower-case(local-name())="light"]
PRODUZIONE
<Light>sun</Light>
Modified text is an extract of the original Stack Overflow Documentation
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