通过

XmlSchemaSequence 类

  • 参考

定义

命名空间:
System.Xml.Schema
程序集:
System.Xml.ReaderWriter.dll
程序集:
System.Xml.dll
程序集:
netstandard.dll

按万维网联合会 (W3C) 指定的方式表示来自 XML 架构的 sequence 元素（复合器）。 sequence 要求组中的元素以指定的顺序出现在包含元素中。

public ref class XmlSchemaSequence : System::Xml::Schema::XmlSchemaGroupBase
public class XmlSchemaSequence : System.Xml.Schema.XmlSchemaGroupBase
type XmlSchemaSequence = class
    inherit XmlSchemaGroupBase
Public Class XmlSchemaSequence
Inherits XmlSchemaGroupBase
继承
Object
XmlSchemaObject
XmlSchemaAnnotated
XmlSchemaParticle
XmlSchemaGroupBase
XmlSchemaSequence

示例

下面的示例展示了 XmlSchemaSequence 类。

#using <mscorlib.dll>
#using <System.Xml.dll>

using namespace System;
using namespace System::Xml;
using namespace System::Xml::Schema;

class XmlSchemaExamples
{
public:

    static void Main()
    {
        XmlSchema^ schema = gcnew XmlSchema();

        // <xs:element name="thing1" type="xs:string"/>
        XmlSchemaElement^ elementThing1 = gcnew XmlSchemaElement();
        schema->Items->Add(elementThing1);
        elementThing1->Name = "thing1";
        elementThing1->SchemaTypeName = gcnew XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="thing2" type="xs:string"/>
        XmlSchemaElement^ elementThing2 = gcnew XmlSchemaElement();
        schema->Items->Add(elementThing2);
        elementThing2->Name = "thing2";
        elementThing2->SchemaTypeName = gcnew XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="thing3" type="xs:string"/>
        XmlSchemaElement^ elementThing3 = gcnew XmlSchemaElement();
        schema->Items->Add(elementThing3);
        elementThing3->Name = "thing3";
        elementThing3->SchemaTypeName = gcnew XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:attribute name="myAttribute" type="xs:decimal"/>
        XmlSchemaAttribute^ myAttribute = gcnew XmlSchemaAttribute();
        schema->Items->Add(myAttribute);
        myAttribute->Name = "myAttribute";
        myAttribute->SchemaTypeName = gcnew XmlQualifiedName("decimal", "http://www.w3.org/2001/XMLSchema");

        // <xs:group name="myGroupOfThings">
        XmlSchemaGroup^ myGroupOfThings = gcnew XmlSchemaGroup();
        schema->Items->Add(myGroupOfThings);
        myGroupOfThings->Name = "myGroupOfThings";

        // <xs:sequence>
        XmlSchemaSequence^ sequence = gcnew XmlSchemaSequence();
        myGroupOfThings->Particle = sequence;

        // <xs:element ref="thing1"/>
        XmlSchemaElement^ elementThing1Ref = gcnew XmlSchemaElement();
        sequence->Items->Add(elementThing1Ref);
        elementThing1Ref->RefName = gcnew XmlQualifiedName("thing1");

        // <xs:element ref="thing2"/>
        XmlSchemaElement^ elementThing2Ref = gcnew XmlSchemaElement();
        sequence->Items->Add(elementThing2Ref);
        elementThing2Ref->RefName = gcnew XmlQualifiedName("thing2");

        // <xs:element ref="thing3"/>
        XmlSchemaElement^ elementThing3Ref = gcnew XmlSchemaElement();
        sequence->Items->Add(elementThing3Ref);
        elementThing3Ref->RefName = gcnew XmlQualifiedName("thing3");

        // <xs:complexType name="myComplexType">
        XmlSchemaComplexType^ myComplexType = gcnew XmlSchemaComplexType();
        schema->Items->Add(myComplexType);
        myComplexType->Name = "myComplexType";

        // <xs:group ref="myGroupOfThings"/>
        XmlSchemaGroupRef^ myGroupOfThingsRef = gcnew XmlSchemaGroupRef();
        myComplexType->Particle = myGroupOfThingsRef;
        myGroupOfThingsRef->RefName = gcnew XmlQualifiedName("myGroupOfThings");

        // <xs:attribute ref="myAttribute"/>
        XmlSchemaAttribute^ myAttributeRef = gcnew XmlSchemaAttribute();
        myComplexType->Attributes->Add(myAttributeRef);
        myAttributeRef->RefName = gcnew XmlQualifiedName("myAttribute");

        XmlSchemaSet^ schemaSet = gcnew XmlSchemaSet();
        schemaSet->ValidationEventHandler += gcnew ValidationEventHandler(ValidationCallbackOne);
        schemaSet->Add(schema);
        schemaSet->Compile();

        XmlSchema^ compiledSchema;

        for each (XmlSchema^ schema1 in schemaSet->Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager^ nsmgr = gcnew XmlNamespaceManager(gcnew NameTable());
        nsmgr->AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema->Write(Console::Out, nsmgr);
    }

    static void ValidationCallbackOne(Object^ sender, ValidationEventArgs^ args)
    {
        Console::WriteLine(args->Message);
    }
};

int main()
{
    XmlSchemaExamples::Main();
    return 0;
};

using System;
using System.Xml;
using System.Xml.Schema;

class XMLSchemaExamples
{
    public static void Main()
    {

        XmlSchema schema = new XmlSchema();

        // <xs:element name="thing1" type="xs:string"/>
        XmlSchemaElement elementThing1 = new XmlSchemaElement();
        schema.Items.Add(elementThing1);
        elementThing1.Name = "thing1";
        elementThing1.SchemaTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="thing2" type="xs:string"/>
        XmlSchemaElement elementThing2 = new XmlSchemaElement();
        schema.Items.Add(elementThing2);
        elementThing2.Name = "thing2";
        elementThing2.SchemaTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:element name="thing3" type="xs:string"/>
        XmlSchemaElement elementThing3 = new XmlSchemaElement();
        schema.Items.Add(elementThing3);
        elementThing3.Name = "thing3";
        elementThing3.SchemaTypeName = new XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema");

        // <xs:attribute name="myAttribute" type="xs:decimal"/>
        XmlSchemaAttribute myAttribute = new XmlSchemaAttribute();
        schema.Items.Add(myAttribute);
        myAttribute.Name = "myAttribute";
        myAttribute.SchemaTypeName = new XmlQualifiedName("decimal", "http://www.w3.org/2001/XMLSchema");

        // <xs:group name="myGroupOfThings">
        XmlSchemaGroup myGroupOfThings = new XmlSchemaGroup();
        schema.Items.Add(myGroupOfThings);
        myGroupOfThings.Name = "myGroupOfThings";

        // <xs:sequence>
        XmlSchemaSequence sequence = new XmlSchemaSequence();
        myGroupOfThings.Particle = sequence;

        // <xs:element ref="thing1"/>
        XmlSchemaElement elementThing1Ref = new XmlSchemaElement();
        sequence.Items.Add(elementThing1Ref);
        elementThing1Ref.RefName = new XmlQualifiedName("thing1");

        // <xs:element ref="thing2"/>
        XmlSchemaElement elementThing2Ref = new XmlSchemaElement();
        sequence.Items.Add(elementThing2Ref);
        elementThing2Ref.RefName = new XmlQualifiedName("thing2");

        // <xs:element ref="thing3"/>
        XmlSchemaElement elementThing3Ref = new XmlSchemaElement();
        sequence.Items.Add(elementThing3Ref);
        elementThing3Ref.RefName = new XmlQualifiedName("thing3");

        // <xs:complexType name="myComplexType">
        XmlSchemaComplexType myComplexType = new XmlSchemaComplexType();
        schema.Items.Add(myComplexType);
        myComplexType.Name = "myComplexType";

        // <xs:group ref="myGroupOfThings"/>
        XmlSchemaGroupRef myGroupOfThingsRef = new XmlSchemaGroupRef();
        myComplexType.Particle = myGroupOfThingsRef;
        myGroupOfThingsRef.RefName = new XmlQualifiedName("myGroupOfThings");

        // <xs:attribute ref="myAttribute"/>
        XmlSchemaAttribute myAttributeRef = new XmlSchemaAttribute();
        myComplexType.Attributes.Add(myAttributeRef);
        myAttributeRef.RefName = new XmlQualifiedName("myAttribute");

        XmlSchemaSet schemaSet = new XmlSchemaSet();
        schemaSet.ValidationEventHandler += new ValidationEventHandler(ValidationCallbackOne);
        schemaSet.Add(schema);
        schemaSet.Compile();

        XmlSchema compiledSchema = null;

        foreach (XmlSchema schema1 in schemaSet.Schemas())
        {
            compiledSchema = schema1;
        }

        XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema");
        compiledSchema.Write(Console.Out, nsmgr);
    }

    public static void ValidationCallbackOne(object sender, ValidationEventArgs args)
    {

        Console.WriteLine(args.Message);
    }
}

Option Explicit On
Option Strict On

Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples

    Public Shared Sub Main()

        Dim schema As New XmlSchema()

        ' <xs:element name="thing1" type="xs:string"/>
        Dim elementThing1 As New XmlSchemaElement()
        schema.Items.Add(elementThing1)
        elementThing1.Name = "thing1"
        elementThing1.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        ' <xs:element name="thing2" type="xs:string"/>
        Dim elementThing2 As New XmlSchemaElement()
        schema.Items.Add(elementThing2)
        elementThing2.Name = "thing2"
        elementThing2.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        ' <xs:element name="thing3" type="xs:string"/>
        Dim elementThing3 As New XmlSchemaElement()
        schema.Items.Add(elementThing3)
        elementThing3.Name = "thing3"
        elementThing3.SchemaTypeName = New XmlQualifiedName("string", "http://www.w3.org/2001/XMLSchema")

        ' <xs:attribute name="myAttribute" type="xs:decimal"/>
        Dim myAttribute As New XmlSchemaAttribute()
        schema.Items.Add(myAttribute)
        myAttribute.Name = "myAttribute"
        myAttribute.SchemaTypeName = New XmlQualifiedName("decimal", "http://www.w3.org/2001/XMLSchema")

        ' <xs:group name="myGroupOfThings">
        Dim myGroupOfThings As New XmlSchemaGroup()
        schema.Items.Add(myGroupOfThings)
        myGroupOfThings.Name = "myGroupOfThings"

        ' <xs:sequence>
        Dim sequence As New XmlSchemaSequence()
        myGroupOfThings.Particle = sequence

        ' <xs:element ref="thing1"/>
        Dim elementThing1Ref As New XmlSchemaElement()
        sequence.Items.Add(elementThing1Ref)
        elementThing1Ref.RefName = New XmlQualifiedName("thing1")

        ' <xs:element ref="thing2"/>
        Dim elementThing2Ref As New XmlSchemaElement()
        sequence.Items.Add(elementThing2Ref)
        elementThing2Ref.RefName = New XmlQualifiedName("thing2")

        ' <xs:element ref="thing3"/>
        Dim elementThing3Ref As New XmlSchemaElement()
        sequence.Items.Add(elementThing3Ref)
        elementThing3Ref.RefName = New XmlQualifiedName("thing3")

        ' <xs:complexType name="myComplexType">
        Dim myComplexType As New XmlSchemaComplexType()
        schema.Items.Add(myComplexType)
        myComplexType.Name = "myComplexType"

        ' <xs:group ref="myGroupOfThings"/>
        Dim myGroupOfThingsRef As New XmlSchemaGroupRef()
        myComplexType.Particle = myGroupOfThingsRef
        myGroupOfThingsRef.RefName = New XmlQualifiedName("myGroupOfThings")

        ' <xs:attribute ref="myAttribute"/>
        Dim myAttributeRef As New XmlSchemaAttribute()
        myComplexType.Attributes.Add(myAttributeRef)
        myAttributeRef.RefName = New XmlQualifiedName("myAttribute")

        Dim schemaSet As New XmlSchemaSet()
        AddHandler schemaSet.ValidationEventHandler, AddressOf ValidationCallbackOne

        schemaSet.Add(schema)
        schemaSet.Compile()

        Dim compiledSchema As XmlSchema = Nothing

        For Each schema1 As XmlSchema In schemaSet.Schemas()
            compiledSchema = schema1
        Next

        Dim nsmgr As New XmlNamespaceManager(New NameTable())
        nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema")
        compiledSchema.Write(Console.Out, nsmgr)
    End Sub


    Public Shared Sub ValidationCallbackOne(ByVal sender As Object, ByVal args As ValidationEventArgs)
        Console.WriteLine(args.Message)
    End Sub
End Class

以下 XML 文件用于前面的代码示例。


<?xml version="1.0" encoding="IBM437"?>
<xs:schema  xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:element name="thing1" type="xs:string"/>
    <xs:element name="thing2" type="xs:string"/>
    <xs:element name="thing3" type="xs:string"/>

    <xs:attribute name="myAttribute" type="xs:decimal"/>

    <xs:group name="myGroupOfThings">
     <xs:sequence>
      <xs:element ref="thing1"/>
      <xs:element ref="thing2"/>
      <xs:element ref="thing3"/>
     </xs:sequence>
    </xs:group>

    <xs:complexType name="myComplexType">
        <xs:group ref="myGroupOfThings"/>
        <xs:attribute ref="myAttribute"/>
    </xs:complexType>
</xs:schema>

构造函数

XmlSchemaSequence()

初始化 XmlSchemaSequence 类的新实例。

属性

Annotation

获取或设置 annotation 属性。

(继承自 XmlSchemaAnnotated)
Id

获取或设置字符串 ID。

(继承自 XmlSchemaAnnotated)
Items

包含在排序器中的元素。 XmlSchemaElement、 XmlSchemaGroupRef、XmlSchemaChoice、XmlSchemaSequence 或 XmlSchemaAny 的集合。
LineNumber

获取或设置 schema 元素引用的文件中的行号。

(继承自 XmlSchemaObject)
LinePosition

获取或设置 schema 元素引用的文件中的行位置。

(继承自 XmlSchemaObject)
MaxOccurs

获取或设置粒子可发生的最大次数。

(继承自 XmlSchemaParticle)
MaxOccursString

获取设置字符串值形式的数字。 粒子可发生的最大次数。

(继承自 XmlSchemaParticle)
MinOccurs

获取或设置粒子可发生的最小次数。

(继承自 XmlSchemaParticle)
MinOccursString

获取设置字符串值形式的数字。 粒子可发生的最小次数。

(继承自 XmlSchemaParticle)
Namespaces

获取或设置用于此架构对象的 XmlSerializerNamespaces。

(继承自 XmlSchemaObject)
Parent

获取或设置此 XmlSchemaObject 的父级。

(继承自 XmlSchemaObject)
SourceUri

获取或设置加载了架构的文件的源位置。

(继承自 XmlSchemaObject)
UnhandledAttributes

获取或设置不属于当前架构目标命名空间的限定特性。

(继承自 XmlSchemaAnnotated)

方法

Equals(Object)

确定指定对象是否等于当前对象。

(继承自 Object)
GetHashCode()

作为默认哈希函数。

(继承自 Object)
GetType()

获取当前实例的 Type。

(继承自 Object)
MemberwiseClone()

创建当前 Object 的浅表副本。

(继承自 Object)
ToString()

返回表示当前对象的字符串。

(继承自 Object)

适用于