XML/XSD-添加描述 [英] XML / XSD - Adding descriptions

问题描述

使用XSD可以确保XML文件有效，但是还有一种方法可以使用XSD将信息附加到元素和属性，以便打开XML和XSD文件的软件可以显示当用户单击所描述的元素时向用户显示该描述?

With XSD I can make sure that an XML file is valid, but is there also a way, using XSD, to attach informations to elements and properties so that a software that would open the XML and XSD file would be able to display that description to the user when he clicks on the element being described?

推荐答案

您正在描述 xsd:documentation 元素.

You're describing the xsd:documentation element.

xsd:documentation 和 xsd:appinfo 都可以包含在 xsd:annotation 元素中:

Both xsd:documentation and xsd:appinfo can be included within an xsd:annotation element:

• 使用 xsd:documentation 将元信息提供给 用户 .
• 使用 xsd:appinfo 将元信息提供给 应用 .

• Use xsd:documentation to provide meta information to a user.
• Use xsd:appinfo to provide meta information to a application.

W3C XML模式第0部分:入门第二版介绍了批注此处，其中提供了以下有关如何使用 xsd的示例:文档:

The W3C XML Schema Part 0: Primer Second Edition has an introduction to annotations here, where they provide the following example of how to use xsd:documentation:

<xsd:element name="internationalPrice">
  <xsd:annotation>
    <xsd:documentation xml:lang="en">
         element declared with anonymous type
    </xsd:documentation>
  </xsd:annotation>
  <xsd:complexType>
    <xsd:annotation>
      <xsd:documentation xml:lang="en">
           empty anonymous type with 2 attributes
      </xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent>
      <xsd:restriction base="xsd:anyType">
        <xsd:attribute name="currency" type="xsd:string"/>
        <xsd:attribute name="value"    type="xsd:decimal"/>
      </xsd:restriction>
    </xsd:complexContent>
  </xsd:complexType>
</xsd:element>

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