15.2.32. XML Schema attributeGroup element

发布时间 : 2025-10-25 13:35:21 UTC      

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Definition and usage

The attributeGroup element is used to combine attribute declarations so that they can be combined into complex types.

Element information

  • 父元素: AttributeGroup, complexType, schema, restriction (both simpleContent and complexContent), extension (both simpleContent and complexContent)

Grammar

 (annotation?),((attribute|attributeGroup)*,anyAttribute?))  

(? Symbol declaration in the attributeGroup element, the element can appear zero or once, and the* symbol declares that the element can appear zero or more times. )

Attribute

Description

Id

Optional. Specifies the unique ID of the element.

Name

Optional. Specifies the name of the property group. The name and ref properties cannot appear at the same time.

Ref

Optional. Specifies a reference to the specified property group. The name and ref properties cannot appear at the same time.

Any attributes

Optional. Specifies any other attributes with the non-schema namespace.

Example 1

<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>    

The above example defines a property group named “personattr”, which is used in a complex type named “person”.

XML Schema 参考手册 完整 XML Schema 参考手册

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