XML Schema attributeGroup Element

Bumalik sa Manwal ng Tagapagpaalok ng XML Schema

Definition and Usage

The attributeGroup element is used to combine attribute declarations so that these declarations can be merged into complex types as a group.

Element Information

Occurrence Unrestricted
Parent Element attributeGroup, complexType, schema, restriction (simpleContent), extension (simpleContent), restriction (complexContent), extension (complexContent)
Content annotation, attribute, attributeGroup, anyAttribute

Syntax

<attributeGroup
id=ID
name=NCName
ref=QName
any attributes
>
(annotation?),((attribute|attributeGroup)*,anyAttribute?))
</attributeGroup>

(? Symbol is declared in the attributeGroup element, the element can appear zero or one time, * symbol declares the element can appear zero or more times.)

Attributes Description
id Optional. Defines the unique ID of the element.
name Optional. Defines the name of the attribute group. The name and ref attributes cannot appear together.
ref Optional. Defines references to the specified attribute group. The name and ref attributes cannot appear together.
any attributes Optional. Defines any other attributes with non-schema namespace.

Sample

<xs:attributeGroup name="personattr">
  <xs:attribute name="attr1" type="string"/>
  <xs:attribute name="attr2" type="integer"/>
</xs:attributeGroup>
<xs:complexType name="person">
  <xs:attributeGroup ref="personattr"/>
</xs:complexType>

Ang halimbawa sa itaas ay naglalarawan ng isang pangkat ng atributo na may pangalan na "personattr", na ginamit sa kompleksong uri na may pangalan na "person".

Bumalik sa Manwal ng Tagapagpaalok ng XML Schema