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XML -Tutorial

XML-HOME XML-Einführung XML-Wie zu verwenden XML-Baum XML-Syntax XML-Elemente XML-Attribute XML-Namespaces XML-Anzeige XML-HttpRequest XML-Parser XML-DOM XML-XPath XML-XSLT XML-XQuery XML-XLink XML-Validator XML-DTD XML-Schema XML-Server XML-Beispiele XML-Quiz XML-Zertifikat

XML-AJAX

AJAX-Einführung AJAX-XMLHttp AJAX-Anfrage AJAX-Antwort AJAX-XML-Datei AJAX-PHP AJAX ASP AJAX-Datenbank AJAX-Anwendungen AJAX-Beispiele

XML-DOM

DOM-Einführung DOM-Knoten DOM-Zugriff DOM-Knoten-Info DOM-Knotenliste DOM-Traversierung DOM-Navigation DOM Get-Werte DOM-Änderungsknoten DOM-Knoten entfernen DOM-Ersetzungsknoten DOM-Knoten erstellen DOM-Knoten hinzufügen DOM-Klonknoten DOM-Beispiele

XPath -Tutorial

XPath-Einführung XPath-Knoten XPath-Syntax XPath-Achsen XPath-Operatoren XPath-Beispiele

XSLT -Tutorial

XSLT-Einführung XSL-Sprachen XSLT-Transformation XSLT <Vorlage> XSLT <Wert von> XSLT <für-jeden> XSLT <sortieren> XSLT <wenn> XSLT <auswählen> XSLT anwenden XSLT auf dem Client XSLT auf dem Server XSLT XML bearbeiten XSLT-Beispiele

XQuery- Tutorial

XQuery-Einführung XQuery-Beispiel XQuery FLWOR XQuery-HTML XQuery-Bedingungen XQuery-Syntax XQuery hinzufügen XQuery-Auswahl XQuery-Funktionen

XML -DTD

DTD-Einführung DTD-Bausteine DTD-Elemente DTD-Attribute DTD-Elemente vs. Attr DTD-Entitäten DTD-Beispiele

XSD- Schema

XSD-Einführung XSD-Anleitung XSD <Schema> XSD-Elemente XSD-Attribute XSD-Einschränkungen

XSD- Komplex

XSD-Elemente XSD leer Nur XSD-Elemente Nur XSD-Text XSD gemischt XSD-Indikatoren XSD <beliebig> XSD <beliebiges Attribut> XSD-Ersetzung XSD-Beispiel

XSD -Daten

XSD-String XSD-Datum XSD Numerisch XSD Sonstiges XSD-Referenz

Webdienste _

XML-Dienste XML-WSDL XML-SOAP XML-RDF XML-RSS

Verweise

DOM-Knotentypen DOM-Knoten DOM-Knotenliste DOM NamedNodeMap DOM-Dokument DOM-Element DOM-Attribut DOM-Text DOM-CDATA DOM-Kommentar DOM-XMLHttpRequest DOM-Parser XSLT-Elemente XSLT/XPath-Funktionen

XML Schema Element

❮ Vollständige XML-Schema-Referenz

Definition und Verwendung

Das Schemaelement definiert das Wurzelelement eines Schemas.

Elementinformationen

  • Übergeordnete Elemente: NONE

Syntax

<schema
id=ID
attributeFormDefault=qualified|unqualified
elementFormDefault=qualified|unqualified
blockDefault=(#all|list of (extension|restriction|substitution))
finalDefault=(#all|list of (extension|restriction|list|union))
targetNamespace=anyURI
version=token
xmlns=anyURI
any attributes
>

((include|import|redefine|annotation)*,(((simpleType|complexType|
group|attributeGroup)|element|attribute|notation),annotation*)*)

</schema>

Attribute Description
id Optional. Specifies a unique ID for the element
attributeFormDefault Optional. The form for attributes declared in the target namespace of this schema. The value must be "qualified" or "unqualified". Default is "unqualified". "unqualified" indicates that attributes from the target namespace are not required to be qualified with the namespace prefix. "qualified" indicates that attributes from the target namespace must be qualified with the namespace prefix
elementFormDefault Optional. The form for elements declared in the target namespace of this schema. The value must be "qualified" or "unqualified". Default is "unqualified". "unqualified" indicates that elements from the target namespace are not required to be qualified with the namespace prefix. "qualified" indicates that elements from the target namespace must be qualified with the namespace prefix
blockDefault Optional. Specifies the default value of the block attribute on element and complexType elements in the target namespace. The block attribute prevents a complex type (or element) that has a specified type of derivation from being used in place of this complex type. This value can contain #all or a list that is a subset of extension, restriction, or substitution:
  • extension - prevents complex types derived by extension
  • restriction - prevents complex types derived by restriction
  • substitution - prevents substitution of elements
  • #all - prevents all derived complex types
finalDefault Optional. Specifies the default value of the final attribute on element, simpleType, and complexType elements in the target namespace. The final attribute prevents a specified type of derivation of an element, simpleType, or complexType element. For element and complexType elements, this value can contain #all or a list that is a subset of extension or restriction. For simpleType elements, this value can additionally contain list and union:
  • extension - prevents derivation by extension
  • restriction - prevents derivation by restriction
  • list - prevents derivation by list
  • union - prevents derivation by union
  • #all - prevents all derivation
targetNamespace Optional. A URI reference of the namespace of this schema
version Optional. Specifies the version of the schema
xmlns A URI reference that specifies one or more namespaces for use in this schema. If no prefix is assigned, the schema components of the namespace can be used with unqualified references
any attributes Optional. Specifies any other attributes with non-schema namespace

Beispiel 1

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

<xs:element name="values" type="xs:string" />

</xs:schema>

Beispiel 2

In diesem Beispiel sind die Schemakomponenten (Elementname, Typ) im Namespace http://www.w3.org/2001/XMLSchema unqualifiziert und diejenigen für https://www.w3schools.com/w3schoolsschema (mystring) sind qualifiziert mit dem wsc-Präfix:

<?xml version="1.0"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema"
xmlns:wsc="https://www.w3schools.com/w3shoolsschema">

<element name="fname" type="wsc:mystring"/>

</schema>
❮ Vollständige XML-Schema-Referenz