XSD 验证错误:元素“{http://www.example.com}Scope":不需要此元素.预期是(范围)

问题描述

我创建了以下 XSD(使用 Eclipse):

I created the following XSD (with Eclipse):

  <?xml version="1.0" encoding="UTF-8"?>
  <schema targetNamespace="http://www.example.com" xmlns="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://www.example.com">
    <element name="Make">
      <complexType>
        <sequence>
          <element name="Scope"></element>
        </sequence>
      </complexType>
    </element>
  </schema>

并使用这个简单的 XML 进行验证

and validating with this simple XML

  <?xml version="1.0"?>
  <Make xmlns="http://www.example.com">
    <Scope>
    </Scope>
  </Make>

给予:

  xmllint.exe --noout --schema sources.xsd sources.xml
  sources.xml:3: element Scope: Schemas validity error : Element '{http://www.example.com}Scope': This element is not expected. Expected is ( Scope ).
  sources.xml fails to validate

在我看来，这必须是正确的:XML 文件位于命名空间 http:///www.example.com(验证器也是这么说的).

In my opinion, this must be correct: the XML file is in the namespace http://www.example.com (what also the validator says).

对于 XSD，我将默认命名空间设置为 XSD 模式(这是 Eclipse 所做的，所以它应该是正确的！)并且我给出了正确的 targetNamespace.我也试过用

And for the XSD I set the default namespace to the XSD schema (this is what Eclipse does, so it should be correct!) and I give the correct targetNamespace. I also tried to use

<element name="tnd:Scope" />

但是，这也不起作用.

这是 xmllint 中的错误还是问题出在哪里?

Is this a bug in xmllint or where is the problem?

问候divB

推荐答案

@dbasemans 的替代方法是将 elementFormDefault 指定为 qualified:

An alternative to @dbasemans answer would be to specify the elementFormDefault as qualified:

 <schema targetNamespace="http://www.example.com"
     xmlns="http://www.w3.org/2001/XMLSchema"
     xmlns:tns="http://www.example.com"
     elementFormDefault="qualified">

为您的架构命名空间使用 xsd 或 xs 前缀可能被认为是常见的，因此可能希望选择按照 dbaseman.

Using the xsd or xs prefix for your schema namespace could be considered as common, so may want to choose to modify your schema as suggested by dbaseman.

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