问题描述
我使用的 XSD 如下所示:
<?xml version="1.0" encoding="UTF-8"?>
<!-- XML schema -->
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
<xsd:element name="Mobiles">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="Mobile" type="Mobile" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:complexType name="Mobile">
<xsd:sequence>
<xsd:element name="Model" type="xsd:string"/>
<xsd:element name="OS">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="Android"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="Origin" type="xsd:string"/>
<xsd:element name="Material" type="xsd:string"/>
<xsd:element name="Samsung" type="Samsung"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="Samsung" mixed="true">
<xsd:sequence>
<xsd:element name="Wlan">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="802.11"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="CardSlot" type="xsd:string"/>
<xsd:element name="RadioAvailability" type="xsd:boolean" default="true"/>
<xsd:element name="BluetoothAvailability" type="xsd:boolean" default="false"/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
XML 文件是:
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<p7:Mobiles xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p7="https://www.w3schools.com"
xsi:schemaLocation="https://www.w3schools.com input.xsd" >
<Mobile>
<Model>G975F</Model>
<OS>Android</OS>
<Origin>USA</Origin>
<Material>Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>true</BluetoothAvailability>
</Samsung>
</Mobile>
<Mobile>
<Model>G986</Model>
<OS>Android</OS>
<Origin>USA-Israel</Origin>
<Material>Silicon-Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>false</BluetoothAvailability>
</Samsung>
</Mobile>
<Mobile>
<Model>G770F</Model>
<OS>Android</OS>
<Origin>Israel</Origin>
<Material>Silicon-Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>false</BluetoothAvailability>
</Samsung>
</Mobile>
</p7:Mobiles>
使用这个 XSD 我遇到了问题:
解析组件“tns:Mobile”时出错。经检测,
“tns:Mobile”位于命名空间 'https://www.w3schools.com'
中,但
此命名空间中的组件不可从架构中引用
文档。如果这是不正确的命名空间,则可能是
'tns:Mobile' 需要更改。如果这是正确的命名空间,
然后应添加适当的“导入”标签
'input_noTargetNamespace.xsd'。
为了解决这个问题,我已经用类似的问题检查了这个 post,但是我在 type="Samsung"
的声明中没有任何命名空间前缀,所以看起来我缺少其他东西。
有人可以解释这种情况下的问题原因吗?我需要为 Samsung
添加一些东西吗?如果需要,我可以提供任何其他信息。
解决方法
XSD 的 xsd:schema/@targetNamespace
应该与 XML 文档中根元素的命名空间相匹配。
然后,为目标命名空间定义一个命名空间前缀,并使用它来引用 XSD 中的类型。
以下是您更正的 XSD 和 XML 文件,以便您的 XSD 能够成功验证您的 XML:
XSD
<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:w3s="https://www.w3schools.com"
targetNamespace="https://www.w3schools.com">
<xsd:element name="Mobiles">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="Mobile" type="w3s:Mobile" maxOccurs="unbounded"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:complexType name="Mobile">
<xsd:sequence>
<xsd:element name="Model" type="xsd:string"/>
<xsd:element name="OS">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="Android"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="Origin" type="xsd:string"/>
<xsd:element name="Material" type="xsd:string"/>
<xsd:element name="Samsung" type="w3s:Samsung"/>
</xsd:sequence>
</xsd:complexType>
<xsd:complexType name="Samsung" mixed="true">
<xsd:sequence>
<xsd:element name="Wlan">
<xsd:simpleType>
<xsd:restriction base="xsd:string">
<xsd:enumeration value="802.11"/>
</xsd:restriction>
</xsd:simpleType>
</xsd:element>
<xsd:element name="CardSlot" type="xsd:string"/>
<xsd:element name="RadioAvailability" type="xsd:boolean" default="true"/>
<xsd:element name="BluetoothAvailability" type="xsd:boolean" default="false"/>
</xsd:sequence>
</xsd:complexType>
</xsd:schema>
XML
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<p7:Mobiles xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:p7="https://www.w3schools.com"
xsi:schemaLocation="https://www.w3schools.com input.xsd" >
<Mobile>
<Model>G975F</Model>
<OS>Android</OS>
<Origin>USA</Origin>
<Material>Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>true</BluetoothAvailability>
</Samsung>
</Mobile>
<Mobile>
<Model>G986</Model>
<OS>Android</OS>
<Origin>USA-Israel</Origin>
<Material>Silicon-Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>false</BluetoothAvailability>
</Samsung>
</Mobile>
<Mobile>
<Model>G770F</Model>
<OS>Android</OS>
<Origin>Israel</Origin>
<Material>Silicon-Plastic</Material>
<Samsung>
<Wlan>802.11</Wlan>
<CardSlot>MicroSD</CardSlot>
<RadioAvailability>true</RadioAvailability>
<BluetoothAvailability>false</BluetoothAvailability>
</Samsung>
</Mobile>
</p7:Mobiles>