一个Xml Schema结构的实例文档
olympic.xsd
<?xml version="1.0" encoding="UTF-8"?><xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" attributeFormDefault="unqualified"><xs:element name="olympic"><xs:complexType><xs:sequence><xs:element maxOccurs="unbounded" minOccurs="1" name="result"><xs:complexType><xs:sequence><xs:element maxOccurs="unbounded" minOccurs="1" ref="country"/></xs:sequence><xs:attributeGroup ref="result1"/></xs:complexType></xs:element></xs:sequence></xs:complexType></xs:element><xs:element name="country"><xs:complexType><xs:attributeGroup ref="country1"/></xs:complexType></xs:element><xs:attributeGroup name="result1"><xs:attribute name="year" type="xs:integer" use="required"/><xs:attribute name="city" type="xs:string" use="required"/></xs:attributeGroup><xs:attributeGroup name="country1"><xs:attribute name="code" type="xs:string" use="required"/><xs:attribute name="name" type="xs:string" use="required"/><xs:attribute name="rank" type="xs:integer" use="required"/><xs:attribute name="gold" type="xs:integer" use="required"/></xs:attributeGroup></xs:schema>
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olympic.xml
<?xml version="1.0" encoding="UTF-8"?><olympic xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="olympic.xsd"><result year="2008" city="beijing"><country name="China" rank="1" code="CHN" gold="51"/></result></olympic>?
