XML Tutorial/XML Schema/IDREFS — различия между версиями
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Текущая версия на 11:26, 26 мая 2010
The IDREFS data type is derived from the IDREF type.
<source lang="xml">
The value space is the set of finite-, nonzero-length sequences of IDREF values. The lexical space is the white-space-separated list of IDREF values.
<xsd:complexType name="bankref">
<xsd:sequence> <xsd:element name="bank" minOccurs="0" maxOccurs="unbounded"> <xsd:complexType> <xsd:complexContent> <xsd:extension base="xsd:anyType"> <xsd:attribute name="branch" type="xsd:ID"/> </xsd:extension> </xsd:complexContent> </xsd:complexType> </xsd:element> </xsd:sequence>
</xsd:complexType> <xsd:element name="city">
<xsd:complexType> <xsd:complexContent> <xsd:extension base="xsd:anyType"> <xsd:attribute name="branch_division" type="xsd:IDREFS"/> </xsd:extension> </xsd:complexContent> </xsd:complexType>
</xsd:element>
<bank branch="412x">Northern</bank> <bank branch="513a">Central</bank> <bank branch="793c">Southern</bank> <city branch_division="412x 513a 793c">Chicago</city></source>