xml-schema xsd错误：带命名空间

发布时间：2020-12-16 23:18:03 所属栏目：百科来源：网络整理

导读：我正在尝试定义我的第一个xml架构： ?xml version="1.0" encoding="UTF-8"?xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" targetNamespace="http://www.example.net/test" xmlns:t="http://www.example.net/test"

我正在尝试定义我的第一个xml架构：

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
    elementFormDefault="qualified"
    targetNamespace="http://www.example.net/test"
    xmlns:t="http://www.example.net/test">

    <xs:annotation>
        <xs:documentation>This schema describes the xml format that is used in for ILTIS stuff.</xs:documentation>
    </xs:annotation>
    <xs:complexType name="station">
        <xs:sequence>
            <xs:element name="transition" type="transition" minOccurs="1" />
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="transition">
        <xs:sequence>
            <xs:element name="wActions" type="wActions" maxOccurs="1" minOccurs="1"/>
            <xs:element name="oActions" type="oAction" maxOccurs="1" minOccurs="1"/>
        </xs:sequence>
        <xs:attribute name="from" type="xs:string" use="required"/>
        <xs:attribute name="to" type="xs:string" use="required"/>
    </xs:complexType>

    <xs:complexType name="wActions">
        <xs:sequence>
            <xs:element name="wMessage" type="wMessage" maxOccurs="2" minOccurs="1"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="oActions">
        <xs:sequence>
            <xs:element name="trainRunMessage" type="trainRunMessage" maxOccurs="2" minOccurs="1"/>
            <xs:element name="wMessage" type="wMessage" maxOccurs="2" minOccurs="0"/>
        </xs:sequence>
    </xs:complexType>

    <xs:complexType name="trainRunMessage">
            <xs:attribute name="track" type="xs:string" use="required"/>
            <xs:attribute name="offset" type="xs:string" default="0"/>
            <xs:attribute name="station" type="xs:string" use="required"/>   
    </xs:complexType>


    <xs:complexType name="wMessage">
        <xs:attribute name="track" type="xs:string" use="required"/>
    </xs:complexType> 
</xs:schema>

但我的氧气编辑器总是抛出这个错误信息：

src-resolve.4.1: Error resolving component 'transition'. It was detected that 'transition' has no namespace,but components with no target namespace are not referenceable from schema document 'file:/C:/Users/mbohlaender/Desktop/rules-example-schema2.xsd'. If 'transition' is intended to have a namespace,perhaps a prefix needs to be provided. If it is intended that 'transition' has no namespace,then an 'import' without a "namespace" attribute should be added to 'file:/C:/Users/mbohlaender/Desktop/rules-example-schema2.xsd'.

我仍然无法得出我做错了什么.
请以简单的方式回答.

解决方法

在< transition>的定义中你正在引用一个类型转换,这是Oxygen无法识别的.它不存在.您只在架构中定义了一个名为transition的复杂类型,因此该类型最终位于目标命名空间http://www.example.net/test中,您已使用t前缀导入该命名空间.

试着写

<xs:element name="transition" type="t:transition" minOccurs="1" />

（编辑：李大同）

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