XSD 错误：不允许字符内容，因为内容类型为空

发布于 2024-12-09 15:13:14 字数 1143 浏览 0 评论 0原文

我从以下 XSD 中收到验证错误：

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
            <xsd:element name="Person" maxOccurs="unbounded">
                 <xsd:complexType>
                    <xsd:attribute name="name" type="xsd:string" use="required" />
                 </xsd:complexType>
             </xsd:element>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>
</xsd:schema>

使用以下 XML 进行验证时：

<?xml version="1.0" ?>
<People>
    <Person name='john'>
        a nice person
    </Person>
    <Person name='sarah'>
        a very nice person
    </Person>
    <Person name='chris'>
        the nicest person in the world
   </Person>
</People>

返回以下错误：

lxml.etree.XMLSyntaxError: Element 'Person': Character content is not allowed, because the content type is empty.

我缺少什么？

原文

I am getting a validation error from the following XSD:

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
            <xsd:element name="Person" maxOccurs="unbounded">
                 <xsd:complexType>
                    <xsd:attribute name="name" type="xsd:string" use="required" />
                 </xsd:complexType>
             </xsd:element>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>
</xsd:schema>

when using the following XML to validate:

<?xml version="1.0" ?>
<People>
    <Person name='john'>
        a nice person
    </Person>
    <Person name='sarah'>
        a very nice person
    </Person>
    <Person name='chris'>
        the nicest person in the world
   </Person>
</People>

Returns the following error:

lxml.etree.XMLSyntaxError: Element 'Person': Character content is not allowed, because the content type is empty.

What am I missing?

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久而酒知 2024-12-16 15:13:14

它说“Person”不能包含字符串。对于要使用该 xsd 进行验证的 xml，请使用以下命令：

<?xml version="1.0" ?>
<People>
    <Person name='john'>
    </Person>
    <Person name='sarah'>
    </Person>
    <Person name='chris'>
   </Person>
</People>

尝试对 xsd 进行验证：

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
         <xsd:element name="Person" type="Person" maxOccurs="unbounded"/>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>

   <xsd:complexType name="Person">
     <xsd:simpleContent>
        <xsd:extension base="xsd:string">
           <xsd:attribute name="name" type="xsd:string" use="required" />
        </xsd:extension>
    </xsd:simpleContent>
   </xsd:complexType>
</xsd:schema>

It's saying that the "Person" cannot include a string. For the xml to validate with that xsd use this :

<?xml version="1.0" ?>
<People>
    <Person name='john'>
    </Person>
    <Person name='sarah'>
    </Person>
    <Person name='chris'>
   </Person>
</People>

Try this for the xsd for validation :

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
         <xsd:element name="Person" type="Person" maxOccurs="unbounded"/>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>

   <xsd:complexType name="Person">
     <xsd:simpleContent>
        <xsd:extension base="xsd:string">
           <xsd:attribute name="name" type="xsd:string" use="required" />
        </xsd:extension>
    </xsd:simpleContent>
   </xsd:complexType>
</xsd:schema>

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轻许诺言 2024-12-16 15:13:14

如果 XML 正确并且您希望 XSD 支持字符串内容（有或没有其他子元素），您可以简单地在复杂类型上添加 mixed=true 属性：

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
            <xsd:element name="Person" maxOccurs="unbounded">
                 <xsd:complexType mixed="true">
                    <xsd:attribute name="name" type="xsd:string" use="required" />
                 </xsd:complexType>
             </xsd:element>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>
</xsd:schema>

混合属性：

指定是否允许在此complexType 元素的子元素之间出现字符数据。默认为 false。如果 simpleContent 元素是子元素，则不允许使用 mix 属性！

If the XML is correct and you want to the XSD to support string content (with or without other child elements), you can simply add the mixed=true attribute on the complexType:

<?xml version="1.0" ?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema">
   <xsd:element name="People">
      <xsd:complexType>
         <xsd:sequence>
            <xsd:element name="Person" maxOccurs="unbounded">
                 <xsd:complexType mixed="true">
                    <xsd:attribute name="name" type="xsd:string" use="required" />
                 </xsd:complexType>
             </xsd:element>
         </xsd:sequence>
      </xsd:complexType>
   </xsd:element>
</xsd:schema>

The mixed attribute:

Specifies whether character data is allowed to appear between the child elements of this complexType element. Default is false. If a simpleContent element is a child element, the mixed attribute is not allowed!

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