3-6作业

<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema">
    <element name="course-information">
        <complexType>
            <sequence>
                <element name="course" minOccurs="1" maxOccurs="120">
                     <complexType>
                         <sequence>
                             <element name="course-name" type="string"></element>
                             <element name="class-hour">
                                 <simpleType>
                                     <restriction base="integer">
                                         <minInclusive value="20"></minInclusive>
                                         <maxInclusive value="110"></maxInclusive>
                                     </restriction>
                                 </simpleType>
                             </element>
                             <element name="exam-form" type="string"></element>
                         </sequence>
                         <attribute name="num" type="integer" use="required"></attribute>
                     </complexType>
                </element> 
            </sequence>
        </complexType>
    </element>
</schema>

<?xml version="1.0" encoding="UTF-8"?>
<!-- <!DOCTYPE xml入门2-10 SYSTEM "xml入门2-10.dtd"> -->
<!-- 课程信息 -->
<course-information xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="xml入门2-10.xsd">
    <course num="01">
        <course-name>大学英语</course-name>
        <class-hour>36</class-hour>
        <exam-form>考试</exam-form>
    </course>
    <course num="02">
        <course-name>高等数学</course-name>
        <class-hour>70</class-hour>
        <exam-form>考试</exam-form>
    </course>
    <course num="03">
        <course-name>计算机应用基础</course-name>
        <class-hour>108</class-hour>
        <exam-form>上机考试</exam-form>
    </course>
</course-information>

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