XSD How To?

XSD How To?

XML문서는 DTD나 XML스키마를 참조할 수 있다.

exam.xml

<?xml version="1.0"?>
<exam>
<questions>
    <question>
        다음 중 옳은 것은?
        <example>
            1.
        </example>
        <example>
            1.
        </example>
        <answer>
            1.
        </answer>
        <solution>
            따라서...
        </solution>
    </question>
</questions>
</exam>

exam.dtd

<!ELEMENT exam (questions+)>

<!ELEMENT questions (question*)>

<!ELEMENT question (#PCDATA|example|answer|solution)*>

<!ELEMENT example (#PCDATA)>

<!ELEMENT answer (#PCDATA)>

<!ELEMENT solution (#PCDATA)>

exam.xsd

<?xml version="1.0"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
targetNamespace="http://www.w3schools.com"
xmlns="http://www.w3schools.com"
elementFormDefault="qualified">


<xs:element name="exam">
  <xs:complexType>
    <xs:sequence>
      <xs:element name="questions">
        <xs:complexType>
          <xs:sequence>
            <xs:element name="question" type="questionType" maxOccurs="unbounded"/>
          </xs:sequence>
        </xs:complexType>
      </xs:element>
    </xs:sequence>
  </xs:complexType>
</xs:element>


<xs:complexType name="questionType" mixed="true">
    <xs:sequence>
        <xs:element name="example" type="xs:string" maxOccurs="unbounded"/>
        <xs:element name="answer" type="xs:string"/>
        <xs:element name="solution" type="xs:string"/>
    </xs:sequence>
</xs:complexType>


</xs:schema>

DTD참조

<?xml version="1.0"?> 



<!DOCTYPE exam SYSTEM

"http://localhost/xml/exam.dtd">



<exam> 

<questions> 

    <question> 

        다음 중 옳은 것은? 

        <example> 

            1. 

        </example> 

        <example> 

            1. 

        </example> 

        <answer> 

            1. 

        </answer> 

        <solution> 

            따라서... 

        </solution> 

    </question> 

</questions> 

</exam> 

XSD참조

<?xml version="1.0"?> 



<exam

xmlns="http://www.w3schools.com"

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

xsi:schemaLocation="http://localhost exam.xsd">



<questions> 

    <question> 

        다음 중 옳은 것은? 

        <example> 

            1. 

        </example> 

        <example> 

            1. 

        </example> 

        <answer> 

            1. 

        </answer> 

        <solution> 

            따라서... 

        </solution> 

    </question> 

</questions> 

</exam>