1 <?xml version="1.0"?> 2 <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema" 3 xmlns:po="http://www.example.com/PO1" 4 targetNamespace="http://www.example.com/PO1" 5 elementFormDefault="unqualified" 6 attributeFormDefault="unqualified"> 7 <xsd:annotation> 8 <xsd:documentation xml:lang="en"> 9 Purchase order schema for Example.com. 10 Copyright 2000 Example.com. All rights reserved. 11 </xsd:documentation> 12 </xsd:annotation> 13 <xsd:element name="purchaseOrder" type="po:PurchaseOrderType"/> 14 <xsd:element name="comment" type="xsd:string"/> 15 <xsd:complexType name="PurchaseOrderType"> 16 <xsd:sequence> 17 <xsd:element name="shipTo" type="po:USAddress"/> 18 <xsd:element name="billTo" type="po:USAddress"/> 19 <xsd:element ref="po:comment" minOccurs="0"/> 20 <xsd:element name="items" type="po:Items"/> 21 </xsd:sequence> 22 <xsd:attribute name="orderDate" type="xsd:date"/> 23 </xsd:complexType> 24 <xsd:complexType name="USAddress"> 25 <xsd:sequence> 26 <xsd:element name="name" type="xsd:string"/> 27 <xsd:element name="street" type="xsd:string"/> 28 <xsd:element name="city" type="xsd:string"/> 29 <xsd:element name="state" type="xsd:string"/> 30 <xsd:element name="zip" type="xsd:decimal"/> 31 </xsd:sequence> 32 <xsd:attribute name="country" type="xsd:NMTOKEN" fixed="US"/> 33 </xsd:complexType> 34 <xsd:complexType name="Items"> 35 <xsd:sequence> 36 <xsd:element name="item" minOccurs="0" maxOccurs="unbounded"> 37 <xsd:complexType> 38 <xsd:sequence> 39 <xsd:element name="productName" type="xsd:string"/> 40 <xsd:element name="quantity"> 41 <xsd:simpleType> 42 <xsd:restriction base="xsd:positiveInteger"> 43 <xsd:maxExclusive value="100"/> 44 </xsd:restriction> 45 </xsd:simpleType> 46 </xsd:element> 47 <xsd:element name="USPrice" type="xsd:decimal"/> 48 <xsd:element ref="po:comment" minOccurs="0"/> 49 <xsd:element name="shipDate" type="xsd:date" minOccurs="0"/> 50 </xsd:sequence> 51 <xsd:attribute name="partNum" type="po:SKU" use="required"/> 52 </xsd:complexType> 53 </xsd:element> 54 </xsd:sequence> 55 </xsd:complexType> 56 <!-- Stock Keeping Unit, a code for identifying products --> 57 <xsd:simpleType name="SKU"> 58 <xsd:restriction base="xsd:string"> 59 <xsd:pattern value="\d{3}-[A-Z]{2}"/> 60 </xsd:restriction> 61 </xsd:simpleType> 62 </xsd:schema> 63 64 65
