Question

我希望文档只包含苹果或橙子。我正在创建一个XML模式，如下所示：

<element name="fruit" type="myns:fruitType"></element>

<complexType name="fruitType">
    <choice minOccurs="1" maxOccurs="1">
      <sequence>
        <element name="apple" type="string" minOccurs="0" maxOccurs="unbounded"></element>
          <element name="orange" type="string" minOccurs="0" maxOccurs="0"></element>
      </sequence>
      <sequence >
        <element name="orange" type="string" minOccurs="0" maxOccurs="unbounded"></element>
          <element name="apple" type="string" minOccurs="0" maxOccurs="0"></element>
      </sequence>
    </choice>
</complexType>

但是接受以下内容作为有效元素。

<fruit>
  <apple> apple1 </apple>
  <orange> orange1 </orange>
  <orange> orange2 </orange>
  <apple> apple2 </apple>
</fruit>

我只希望以下内容有效：

 <fruit>
  <apple> apple1 </apple>
  <apple> apple2 </apple>
  .
  .
  <apple> appleN </apple>
 </fruit>

OR

<fruit>
  <orange> orange1 </orange>
  <orange> orange2 </orange>
  .
  .
  <orange> orangeN </orange>
</fruit>

知道怎么做吗？

Answer 1

<complexType name="fruitType">
    <choice minOccurs="1" maxOccurs="1">
      <sequence>
        <element name="apple" type="string" minOccurs="0" maxOccurs="unbounded"></element>
                 </sequence>
      <sequence >
        <element name="orange" type="string" minOccurs="0" maxOccurs="unbounded"></element>
                  </sequence>
    </choice>
</complexType>

Answer 2

正确的架构应该是：

<complexType name="fruitType">
    <choice minOccurs="1" maxOccurs="1">
      <sequence>
        <element name="apple" type="string" **minOccurs="1"** maxOccurs="unbounded">   
        </element>
      </sequence>
      <sequence >
        <element name="orange" type="string" **minOccurs="1"** maxOccurs="unbounded">
        </element>
      </sequence>
    </choice>
</complexType>

xml选择：单个元素应该重复

2 个答案: