我需要限制“赞成或不赞同”的特性——但不能不相信如何安排这种特性——我尝试如下,但不能肯定的是:
<xs:element name="DistinctiveMarks">
<xs:ComplexType>
<xs:SimpleContent>
<xs:extension base="xs:string">
<xs:attribute name="present" type="xs:string">
<xs:restriction base="xs:string">
<xs:pattern value="yes|no"/>
</xs:restriction>
</xs:attribute>
</xs:extension>
</xs:SimpleContent>
</xs:ComplexType>
</xs:element>
这应当奏效。 如果你重新使用,另一种选择是宣布一种简单类型。 那么,如果你有的话,你就能够做到什么类型? 另一种可能适合的办法是使用一个清单。 如果你想要排雷,那么尼斯就能够建立一个数据输入的选项清单,而不是对一个登记册进行验证。
<xs:simpleType name="MY_YesNoType">
<xs:restriction base="xs:string">
<xs:enumeration value="no" />
<xs:enumeration value="yes" />
</xs:restriction>
</xs:simpleType>
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