一个完整的schema验证xml的例子

xml文件：

<reference xmlns="http://www.w3school.com.cn" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.w3school.com.cn J.xsd">
<author authorLoc="1">陈路瑶</author>
<title>信息文档结构信任模式的提取及逻辑描述</title>
<type>J</type>
<publisher>计算机应用研究</publisher>
<publish_year>2010</publish_year>
<volumn_mark>27</volumn_mark>
<page_number>4624-4629</page_number>
</reference>

schema文件（J.xsd）：

<?xml version="1.0" encoding="GB2312"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://www.w3school.com.cn" targetNamespace="http://www.w3school.com.cn" elementFormDefault="qualified">
<xs:element name="reference">
<xs:complexType>
<xs:sequence>
<xs:element name="author" type="authorInfo" minOccurs="1" maxOccurs="1"/>
<xs:element name="title" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="type" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="publish" type="xs:string" minOccurs="0" maxOccurs="1"/>
<xs:element name="publisher" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="publish_year" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="volumn_mark" type="xs:string" minOccurs="1" maxOccurs="1"/>
<xs:element name="page_number" minOccurs="1" maxOccurs="1">
<xs:simpleType>
<xs:restriction base="xs:string">
<xs:pattern value="(\d{1,4}-)?\d{1,4}"/>
</xs:restriction>
</xs:simpleType>
</xs:element>
</xs:sequence>
</xs:complexType>
</xs:element>
<xs:complexType name="authorInfo">
<xs:simpleContent>
<xs:extension base="xs:string">
<xs:attribute name="authorLoc" use="required">
<xs:simpleType>
<xs:restriction base="xs:integer">
<xs:enumeration value="1"/>
</xs:restriction>
</xs:simpleType>
</xs:attribute>
</xs:extension>
</xs:simpleContent>
</xs:complexType>
</xs:schema>