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XML Tutorial/XML Schema/enumeration - История изменений
2026-04-04T15:56:21Z
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Admin: 1 версия
2010-05-26T08:26:45Z
<p>1 версия</p>
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<td colspan="1" style="background-color: white; color:black; text-align: center;">Версия 08:26, 26 мая 2010</td>
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Admin
http://wbex.ru/index.php?title=XML_Tutorial/XML_Schema/enumeration&diff=10616&oldid=prev
в 18:22, 25 мая 2010
2010-05-25T18:22:32Z
<p></p>
<p><b>Новая страница</b></p><div>== Enumerating A Simple Type==<br />
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<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
File: Schema.xsd<br />
<?xml version="1.0"?><br />
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"<br />
targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"<br />
elementFormDefault="qualified"><br />
<xs:element name = "Tshirt"><br />
<xs:complexType><br />
<xs:sequence><br />
<xs:element name = "Color" type = "clothesColorType" /><br />
<xs:element name = "Size" type = "clothesSizeType" /><br />
</xs:sequence><br />
</xs:complexType><br />
</xs:element><br />
<br />
<xs:simpleType name="clothesSizeType"><br />
<xs:restriction base="xs:string"><br />
<xs:enumeration value="S" /><br />
<xs:enumeration value="M" /><br />
<xs:enumeration value="L" /><br />
<xs:enumeration value="XL" /><br />
</xs:restriction><br />
</xs:simpleType><br />
<br />
<xs:simpleType name="clothesColorType"><br />
<xs:restriction base="xs:string"><br />
<xs:enumeration value="Black" /><br />
<xs:enumeration value="White" /><br />
<xs:enumeration value="Green" /><br />
<xs:enumeration value="Blue" /><br />
</xs:restriction><br />
</xs:simpleType><br />
</xs:schema><br />
File: Data.xml<br />
<Tshirt><br />
<Color>Blue</Color><br />
<Size>XL</Size><br />
</Tshirt><br />
However, this would not be allowed:<br />
<Tshirt><br />
<Color>LightBlue</Color><br />
<Size>10</Size><br />
</Tshirt></source><br />
<br />
<br />
<br />
== enumeration Constrains the value of the data type to a defined set of values==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
<xsd:simpleType name="dayType"><br />
<xsd:restriction base="xsd:string"><br />
<xsd:enumeration value="Monday"/><br />
<xsd:enumeration value="Tuesday"/><br />
<xsd:enumeration value="Wednesday"/><br />
<xsd:enumeration value="Thursday"/><br />
<xsd:enumeration value="Friday"/><br />
<xsd:enumeration value="Saturday"/><br />
<xsd:enumeration value="Sunday"/><br />
</xsd:restriction><br />
</xsd:simpleType></source><br />
<br />
<br />
<br />
== Enumeration limits a value space to a specific set of values - if a value isn"t specified in the set in the schema, it isn"t valid.==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
<?xml version="1.0"?><br />
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"<br />
targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"<br />
elementFormDefault="qualified"><br />
<xs:simpleType name="Sizes"><br />
<xs:restriction base="xs:string"><br />
<xs:enumeration value="S" /><br />
<xs:enumeration value="M" /><br />
<xs:enumeration value="L" /><br />
<xs:enumeration value="XL" /><br />
</xs:restriction><br />
</xs:simpleType><br />
</xs:schema></source><br />
<br />
<br />
<br />
== Specifying a Set of Acceptable Values==<br />
<br />
<br />
<br />
<br />
<!-- start source code --><br />
<br />
<source lang="xml"><br />
<?xml version="1.0"?><br />
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"<br />
targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"<br />
elementFormDefault="qualified"><br />
<xsd:element name="continent"><br />
<xsd:simpleType><br />
<xsd:restriction base="xsd:string"><br />
<xsd:enumeration value="Asia" /><br />
<xsd:enumeration value="Africa" /><br />
<xsd:enumeration value="Australia" /><br />
<xsd:enumeration value="Europe" /><br />
<xsd:enumeration value="North America" /><br />
<xsd:enumeration value="South America" /><br />
<xsd:enumeration value="Antartica" /><br />
</xsd:restriction><br />
</xsd:simpleType><br />
</xsd:element><br />
</xsd:schema><br />
<br />
Data.xml: The continent element can now contain any single one of these values. <br />
<?xml version="1.0"?><br />
<continent>Asia</continent><br />
You can use the xsd:enumeration facet with all simple types except boolean.<br />
Each enumeration value must be unique.<br />
Enumeration values may contain white space.</source></div>