通过

XmlSchemaSimpleType 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 架构的简单内容的 simpleType 元素。 此类定义简单类型。 简单类型可以为具有纯文本内容的属性值或元素值指定信息和约束。

public ref class XmlSchemaSimpleType : System::Xml::Schema::XmlSchemaType
public class XmlSchemaSimpleType : System.Xml.Schema.XmlSchemaType
type XmlSchemaSimpleType = class
    inherit XmlSchemaType
Public Class XmlSchemaSimpleType
Inherits XmlSchemaType
继承
Object
XmlSchemaObject
XmlSchemaAnnotated
XmlSchemaType
XmlSchemaSimpleType

示例

下例显示了 XmlSchemaSimpleType 类的用法。

#using <System.Xml.dll>

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

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

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

        // <xs:simpleType name="LotteryNumber">
        XmlSchemaSimpleType^ LotteryNumberType = gcnew XmlSchemaSimpleType();
        LotteryNumberType->Name = "LotteryNumber";

        // <xs:restriction base="xs:int">
        XmlSchemaSimpleTypeRestriction^ LotteryNumberRestriction = gcnew XmlSchemaSimpleTypeRestriction();
        LotteryNumberRestriction->BaseTypeName = gcnew XmlQualifiedName("int", "http://www.w3.org/2001/XMLSchema");

        // <xs:minInclusive value="1"/>
        XmlSchemaMinInclusiveFacet^ minInclusive = gcnew XmlSchemaMinInclusiveFacet();
        minInclusive->Value = "1";
        LotteryNumberRestriction->Facets->Add(minInclusive);

        // <xs:maxInclusive value="99"/>
        XmlSchemaMaxInclusiveFacet^ maxInclusive = gcnew XmlSchemaMaxInclusiveFacet();
        maxInclusive->Value = "99";
        LotteryNumberRestriction->Facets->Add(maxInclusive);

        LotteryNumberType->Content = LotteryNumberRestriction;
        schema->Items->Add(LotteryNumberType);

        // <xs:simpleType name="LotteryNumberList">
        XmlSchemaSimpleType^ LotteryNumberListType = gcnew XmlSchemaSimpleType();
        LotteryNumberListType->Name = "LotteryNumberList";

        // <xs:list itemType="LotteryNumber"/>
        XmlSchemaSimpleTypeList^ list = gcnew XmlSchemaSimpleTypeList();
        list->ItemTypeName = gcnew XmlQualifiedName("LotteryNumber", "");
        LotteryNumberListType->Content = list;

        schema->Items->Add(LotteryNumberListType);

        // <xs:simpleType name="LotteryNumbers">
        XmlSchemaSimpleType^ LotteryNumbersType = gcnew XmlSchemaSimpleType();
        LotteryNumbersType->Name = "LotteryNumbers";

        // <xs:restriction base="LotteryNumberList">
        XmlSchemaSimpleTypeRestriction^ LotteryNumbersRestriction = gcnew XmlSchemaSimpleTypeRestriction();
        LotteryNumbersRestriction->BaseTypeName = gcnew XmlQualifiedName("LotteryNumberList", "");

        // <xs:length value="5"/>
        XmlSchemaLengthFacet^ length = gcnew XmlSchemaLengthFacet();
        length->Value = "5";
        LotteryNumbersRestriction->Facets->Add(length);

        LotteryNumbersType->Content = LotteryNumbersRestriction;

        schema->Items->Add(LotteryNumbersType);

        // <xs:element name="TodaysLottery" type="LotteryNumbers">
        XmlSchemaElement^ TodaysLottery = gcnew XmlSchemaElement();
        TodaysLottery->Name = "TodaysLottery";
        TodaysLottery->SchemaTypeName = gcnew XmlQualifiedName("LotteryNumbers", "");

        schema->Items->Add(TodaysLottery);

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

        XmlSchema^ compiledSchema = nullptr;

        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);
    }
};

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:simpleType name="LotteryNumber">
        XmlSchemaSimpleType LotteryNumberType = new XmlSchemaSimpleType();
        LotteryNumberType.Name = "LotteryNumber";

        // <xs:restriction base="xs:int">
        XmlSchemaSimpleTypeRestriction LotteryNumberRestriction = new XmlSchemaSimpleTypeRestriction();
        LotteryNumberRestriction.BaseTypeName = new XmlQualifiedName("int", "http://www.w3.org/2001/XMLSchema");

        // <xs:minInclusive value="1"/>
        XmlSchemaMinInclusiveFacet minInclusive = new XmlSchemaMinInclusiveFacet();
        minInclusive.Value = "1";
        LotteryNumberRestriction.Facets.Add(minInclusive);

        // <xs:maxInclusive value="99"/>
        XmlSchemaMaxInclusiveFacet maxInclusive = new XmlSchemaMaxInclusiveFacet();
        maxInclusive.Value = "99";
        LotteryNumberRestriction.Facets.Add(maxInclusive);

        LotteryNumberType.Content = LotteryNumberRestriction;
        schema.Items.Add(LotteryNumberType);

        // <xs:simpleType name="LotteryNumberList">
        XmlSchemaSimpleType LotteryNumberListType = new XmlSchemaSimpleType();
        LotteryNumberListType.Name = "LotteryNumberList";

        // <xs:list itemType="LotteryNumber"/>
        XmlSchemaSimpleTypeList list = new XmlSchemaSimpleTypeList();
        list.ItemTypeName = new XmlQualifiedName("LotteryNumber", "");
        LotteryNumberListType.Content = list;

        schema.Items.Add(LotteryNumberListType);

        // <xs:simpleType name="LotteryNumbers">
        XmlSchemaSimpleType LotteryNumbersType = new XmlSchemaSimpleType();
        LotteryNumbersType.Name = "LotteryNumbers";

        // <xs:restriction base="LotteryNumberList">
        XmlSchemaSimpleTypeRestriction LotteryNumbersRestriction = new XmlSchemaSimpleTypeRestriction();
        LotteryNumbersRestriction.BaseTypeName = new XmlQualifiedName("LotteryNumberList", "");

        // <xs:length value="5"/>
        XmlSchemaLengthFacet length = new XmlSchemaLengthFacet();
        length.Value = "5";
        LotteryNumbersRestriction.Facets.Add(length);

        LotteryNumbersType.Content = LotteryNumbersRestriction;

        schema.Items.Add(LotteryNumbersType);

        // <xs:element name="TodaysLottery" type="LotteryNumbers">
        XmlSchemaElement TodaysLottery = new XmlSchemaElement();
        TodaysLottery.Name = "TodaysLottery";
        TodaysLottery.SchemaTypeName = new XmlQualifiedName("LotteryNumbers", "");

        schema.Items.Add(TodaysLottery);

        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 Strict On
Option Explicit On

Imports System.Xml
Imports System.Xml.Schema

Class XMLSchemaExamples

    Public Shared Sub Main()

        Dim schema As New XmlSchema()

        ' <xs:simpleType name="LotteryNumber">
        Dim LotteryNumberType As New XmlSchemaSimpleType()
        LotteryNumberType.Name = "LotteryNumber"

        ' <xs:restriction base="xs:int">
        Dim LotteryNumberRestriction As New XmlSchemaSimpleTypeRestriction()
        LotteryNumberRestriction.BaseTypeName = New XmlQualifiedName("int", "http://www.w3.org/2001/XMLSchema")

        ' <xs:minInclusive value="1"/>
        Dim minInclusive As New XmlSchemaMinInclusiveFacet()
        minInclusive.Value = "1"
        LotteryNumberRestriction.Facets.Add(minInclusive)

        ' <xs:maxInclusive value="99"/>
        Dim maxInclusive As New XmlSchemaMaxInclusiveFacet()
        maxInclusive.Value = "99"
        LotteryNumberRestriction.Facets.Add(maxInclusive)

        LotteryNumberType.Content = LotteryNumberRestriction
        schema.Items.Add(LotteryNumberType)

        ' <xs:simpleType name="LotteryNumberList">
        Dim LotteryNumberListType As New XmlSchemaSimpleType()
        LotteryNumberListType.Name = "LotteryNumberList"

        ' <xs:list itemType="LotteryNumber"/>
        Dim list As New XmlSchemaSimpleTypeList()
        list.ItemTypeName = New XmlQualifiedName("LotteryNumber", "")
        LotteryNumberListType.Content = list

        schema.Items.Add(LotteryNumberListType)

        ' <xs:simpleType name="LotteryNumbers">
        Dim LotteryNumbersType As New XmlSchemaSimpleType()
        LotteryNumbersType.Name = "LotteryNumbers"

        ' <xs:restriction base="LotteryNumberList">
        Dim LotteryNumbersRestriction As New XmlSchemaSimpleTypeRestriction()
        LotteryNumbersRestriction.BaseTypeName = New XmlQualifiedName("LotteryNumberList", "")

        ' <xs:length value="5"/>
        Dim length As New XmlSchemaLengthFacet()
        length.Value = "5"
        LotteryNumbersRestriction.Facets.Add(length)

        LotteryNumbersType.Content = LotteryNumbersRestriction

        schema.Items.Add(LotteryNumbersType)

        ' <xs:element name="TodaysLottery" type="LotteryNumbers">
        Dim TodaysLottery As New XmlSchemaElement()
        TodaysLottery.Name = "TodaysLottery"
        TodaysLottery.SchemaTypeName = New XmlQualifiedName("LotteryNumbers", "")

        schema.Items.Add(TodaysLottery)

        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

为前面的代码示例生成以下 XML 文件。

<?xml version="1.0" encoding="IBM437"?>
<xs:schema  xmlns:xs="http://www.w3.org/2001/XMLSchema">
    <xs:simpleType name="LotteryNumber">
        <xs:restriction base="xs:int">
            <xs:minInclusive value="1"/>
            <xs:maxInclusive value="99"/>
        </xs:restriction>
    </xs:simpleType>

    <xs:simpleType name="LotteryNumberList">
        <xs:list itemType="LotteryNumber"/>
    </xs:simpleType>
    
    <xs:simpleType name="LotteryNumbers">
        <xs:restriction base="LotteryNumberList">
            <xs:length value="5"/>
        </xs:restriction>
    </xs:simpleType>
    
    <xs:element name="TodaysLottery" type="LotteryNumbers">
    </xs:element>
    
</xs:schema>

注解

简单类型是通过将它们从现有简单类型（内置数据类型和派生的简单类型）派生来定义的。 简单类型不能包含元素并且不能具有属性。

构造函数

XmlSchemaSimpleType()

初始化 XmlSchemaSimpleType 类的新实例。

属性

Annotation

获取或设置 annotation 属性。

(继承自 XmlSchemaAnnotated)
BaseSchemaType
已过时。
已过时。
已过时。

获取编译后对象类型或内置 XML 架构定义语言 (XSD) 数据类型、simpleType 元素或 complexType 元素。 这是一个后架构编译信息集属性。

(继承自 XmlSchemaType)
BaseXmlSchemaType

获取此架构类型的基类型的编译后值。

(继承自 XmlSchemaType)
Content

获取或设置 XmlSchemaSimpleTypeUnion、XmlSchemaSimpleTypeList 或 XmlSchemaSimpleTypeRestriction 中的一个。
Datatype

获取此复杂类型的数据类型的编译后值。

(继承自 XmlSchemaType)
DerivedBy

获取有关此元素如何从其基类型派生的编译后信息。

(继承自 XmlSchemaType)
Final

获取或设置指示是否允许进一步派生的类型派生的最终特性。

(继承自 XmlSchemaType)
FinalResolved

获取 Final 属性的编译后值。

(继承自 XmlSchemaType)
Id

获取或设置字符串 ID。

(继承自 XmlSchemaAnnotated)
IsMixed

获取或设置指示此类型是否具有混合内容模型的值。 该属性仅在复杂类型中有效。

(继承自 XmlSchemaType)
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)
Name

获取或设置类型的名称。

(继承自 XmlSchemaType)
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)
QualifiedName

获取从此类型的 Name 特性中生成的此类型的限定名。 这是一个后架构编译属性。

(继承自 XmlSchemaType)
SourceUri

获取或设置加载了架构的文件的源位置。

(继承自 XmlSchemaObject)
TypeCode

获取类型的 XmlTypeCode。

(继承自 XmlSchemaType)
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