Windows自动启动程序的十大藏身之所

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.example.org/cars"
xmlns="http://www.example.org/cars" elementFormDefault="qualified">
<xs:element name="car" type="car-type"></xs:element>

<xs:complexType name="car-type">
<xs:sequence>
<xs:group ref="size"/>
<xs:element name="color" type="color-type" />
<xs:element name="price" type="price-type" />
</xs:sequence>
<xs:attributeGroup ref="pay-attribute"/>
</xs:complexType>

<xs:group name="size">
<xs:sequence>
<xs:element name="length" type="xs:integer"/>
<xs:element name="width" type="xs:integer"/>
<xs:element name="height" type="xs:integer"/>
</xs:sequence>
</xs:group>

<xs:attributeGroup name="pay-attribute">
<xs:attribute name="period" type="xs:integer" use="required"/>
<xs:attribute name="eachPerMonth" type="xs:integer" use="required"/>
</xs:attributeGroup>

<xs:simpleType name="color-type">
<xs:restriction base="xs:string">
<xs:enumeration value="red" />
<xs:enumeration value="green" />
<xs:enumeration value="black" />
<xs:enumeration value="white" />
</xs:restriction>
</xs:simpleType>

<xs:complexType name="price-type">
<xs:sequence>
<xs:element name="amount" type="xs:decimal" />
</xs:sequence>
<xs:attribute name="concurrency" type="pay-type" use="required" />
</xs:complexType>

<xs:simpleType name="pay-type">
<xs:restriction base="xs:string">
<xs:enumeration value="dollar" />
<xs:enumeration value="yuan" />
<xs:enumeration value="ponds" />
</xs:restriction>
</xs:simpleType>

<xs:complexType name="pay-type2">
<xs:simpleContent>
<xs:extension base="xs:integer">
<xs:attribute name="concurrency" type="xs:string" />
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:schema>