我正在尝试列出任何顺序允许的元素列表.有些元素是必需的(最小为1,最大为1),有些是可选的,最多为1,有些是可选的任何数字.这就是我所拥有的并且XSD是有效的,但是当我去验证XML时,我试图实现的规则没有被强制执行.例如,不要求id.
<xsd:complexType name="feedType">
<xsd:annotation>
<xsd:documentation>
The Atom feed construct is defined in section 4.1.1 of the format spec.
</xsd:documentation>
</xsd:annotation>
<xsd:choice minOccurs="3" maxOccurs="unbounded">
<xsd:element name="author" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element name="category" type="atom:categoryType" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element name="contributor" type="atom:personType" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element name="generator" type="atom:generatorType" minOccurs="0" maxOccurs="1"/>
<xsd:element name="icon" type="atom:iconType" minOccurs="0" maxOccurs="1"/>
<xsd:element name="id" type="atom:idType" minOccurs="1" maxOccurs="1"/>
<xsd:element name="link" type="atom:linkType" minOccurs="0" maxOccurs="unbounded"/>
<xsd:element name="logo" type="atom:logoType" minOccurs="0" maxOccurs="1"/>
<xsd:element name="rights" type="atom:textType" minOccurs="0" maxOccurs="1"/>
<xsd:element name="subtitle" type="atom:textType" minOccurs="0" maxOccurs="1"/>
<xsd:element name="title" type="atom:textType" minOccurs="1" maxOccurs="1"/>
<xsd:element name="updated" …