XML 架构未显示为无效

Question

我有一个 XSD 文件，它应该捕获我写的一些无效 xml，但我的程序很乐意吃掉它。我怎样才能让它正确抛出验证错误？

架构：

<?xml version="1.0" encoding="utf-8"?>
<xs:schema targetNamespace="http://something.com/xmlcourse"
    elementFormDefault="qualified"
    xmlns="http://something.com/xmlcourse"
    xmlns:lexc="http://something.com/xmlcourse"
    xmlns:xs="http://www.w3.org/2001/XMLSchema"
>

  <!-- Type Definitions -->

  <xs:simpleType name="nonNegativeDecimal">
    <xs:restriction base="xs:decimal">
      <xs:minInclusive value="0" />
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="emailAddress">
    <xs:restriction base="xs:string">
      <xs:pattern value="[^@]+@[^\.]+\..+"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="phoneNumber">
    <xs:restriction base="xs:string">
      <xs:pattern value="[0-9]{3}[-\.][0-9]{3}[-\.][0-9]{4}"/>
    </xs:restriction>
  </xs:simpleType>

  <xs:simpleType name="address">
    <xs:restriction base="xs:string">
      <xs:enumeration value="apartment"/>
      <xs:enumeration value="condominium"/>
      <xs:enumeration value="townhouse"/>
      <xs:enumeration value="duplex"/>
      <xs:enumeration value="house"/>
      <xs:enumeration value="residence"/>
    </xs:restriction>
  </xs:simpleType>

  <!-- Attributes are used for date and time on last_updated -->
  <xs:complexType name="dateAndTime">
    <xs:attribute name="date" type="xs:date"></xs:attribute>
    <xs:attribute name="time" type="xs:time"></xs:attribute>
  </xs:complexType>

  <xs:complexType name="listing">
    <xs:sequence>
      <xs:element name="id" type="xs:string" minOccurs="1" maxOccurs="1"></xs:element>
      <xs:element name="type" type="lexc:address" minOccurs="1" maxOccurs="1"></xs:element>
      <xs:element name="address" type="xs:string" minOccurs="1" maxOccurs="1"></xs:element>
      <xs:element name="contact_name" type="xs:string" minOccurs="0" maxOccurs="1"></xs:element>
      <xs:element name="contact_phone" type="lexc:phoneNumber" minOccurs="1" maxOccurs="3"></xs:element>
      <xs:element name="contact_email" type="lexc:emailAddress" minOccurs="0" maxOccurs="1"></xs:element>
      <xs:element name="rent" type="lexc:nonNegativeDecimal" minOccurs="1" maxOccurs="1"></xs:element>
    </xs:sequence>
  </xs:complexType>


  <!-- Schema Instance Contents -->
  <xs:element name="housing">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="listings">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="listing" type="lexc:listing" minOccurs="0" maxOccurs="unbounded"></xs:element>
            </xs:sequence>
          </xs:complexType>
          <xs:unique name="uniqueId">
            <xs:selector xpath="lexc:listing"></xs:selector>
            <xs:field xpath="@id"></xs:field>
          </xs:unique>
        </xs:element>
        <xs:element name="last_updated" type="lexc:dateAndTime" minOccurs="1" maxOccurs="1"></xs:element>
      </xs:sequence>
    </xs:complexType>
  </xs:element>

</xs:schema>

无效的xml文件：

<?xml version="1.0" encoding="utf-8"?>
<housing>
  <listings>
    <listing>
      <id>apt1</id>
      <type>wrongtype</type> <!-- Type does not exist -->
      <address>556 Huckaby Lane</address>
      <contact_name>John Spacer</contact_name>
      <contact_phone>555-555-5555</contact_phone> <!-- Over Max of 3 Phone Numbers-->
      <contact_phone>555-555-5555</contact_phone>
      <contact_phone>555-555-5555</contact_phone>
      <contact_phone>555-555-5555</contact_phone>
      <contact_email>kestrel.gmail.com</contact_email> <!-- Wrong Format for Email Address -->
      <rent>123.45</rent>
    </listing>
    <listing>
      <id>cdm1</id>
      <type>condominium</type>
      <address>123 Saskatoon Lane</address>
      <contact_name>George Romero</contact_name>
      <contact_phone>123.456.7890</contact_phone>
      <contact_email>jasper@montypython.com</contact_email>
      <rent>445.5</rent>
    </listing>
  </listings>
  <last_updated date="2017-05-15" time="12:12:12" />
</housing>

我有一个 XSD 文件，它应该捕获我写的一些无效 xml，但我的程序很乐意吃掉它。我怎样才能让它正确抛出验证错误？

Answer 1

XML 根据该架构有效。它不在同一个命名空间中，因此模式实际上对其有效性没有任何意见。如果您要启用警告，您会看到如下记录的消息：

Could not find schema information for the element 'housing'.

Could not find schema information for the element 'listings'.

您的架构的 targetNamespace 为 http://something.com/xmlcourse。将您的 XML 更改为在此命名空间中，您将看到以下错误：

The 'http://something.com/xmlcourse:type' element is invalid - The value 'wrongtype' is invalid according to its datatype 'http://something.com/xmlcourse:address' - The Enumeration constraint failed.

The element 'listing' in namespace 'http://something.com/xmlcourse' has invalid child element 'contact_phone' in namespace 'http://something.com/xmlcourse'. List of possible elements expected: 'contact_email, rent' in namespace 'http://something.com/xmlcourse'.

有关演示，请参阅 this fiddle。

XML 架构未显示为无效

XML Schema not Showing as Invalid

c#

xml

xsd

linq-to-xml

xmlschemaset