从JAX-WS生成XSD时如何避免XSD序列?

问题描述

当我注释了java类

@javax.xml.bind.annotation.XmlRootElement
@XmlAccessorType(XmlAccessType.FIELD)
public class UserdataType {

    String username;
    String street;
    String address;

它将生成为

<xs:complexType name="userdataType">
<xs:sequence>
<xs:element name="username" type="xs:string" minOccurs="0"/>
<xs:element name="street" type="xs:string" minOccurs="0"/>
<xs:element name="address" type="xs:string" minOccurs="0"/>

因此，默认情况下，JAX-WS总是在XSD文件中生成序列".

So, by default JAX-WS always generates 'sequences' in XSD files.

这会迫使客户注意元素的确切顺序，这在某些情况下无济于事.

This forces the clients to take care of the exact order the elements, which is not helpful in some cases.

有没有一种方法可以产生不同于序列的东西?

Is there a way to generate something different then sequences?

推荐答案

添加批注，如下所示:

Add an XmlType annotation with an empty propOrder, like this:

 @XmlType(propOrder={})

然后它将生成xs:all(无序)而不是序列.

It will then generate an xs:all (which is unordered) instead of a sequence.

<xs:complexType name="userdataType">
  <xs:all>
    <xs:element name="username" type="xs:string" minOccurs="0"/>
    <xs:element name="street" type="xs:string" minOccurs="0"/>
    <xs:element name="address" type="xs:string" minOccurs="0"/>
  </xs:all>
</xs:complexType>

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