@XmlElementWrapper 用于未包装的集合

2022-01-19 00:00:00 xml java jaxb

文档声明 @XmlElementWrapper 注释可用于未包装"或包装"集合.

The docs state the the @XmlElementWrapper annotation can be used for 'unwrapped' or 'wrapped' collections.

http://docs.oracle.com/javaee/5/api/javax/xml/bind/annotation/XmlElementWrapper.html

如何配置它以生成未包装的集合?

How do you configure it to produce an unwrapped collection?

推荐答案

如果你包含 @XmlElementWrapper 它将添加一个分组元素:

If you include @XmlElementWrapper it will add a grouping element:

@XmlElementWrapper
@XmlElement(name="foo")
public List<Foo> getFoos() {
    return foos;
}


<root>
    <foos>
        <foo/>
        <foo/>
    </foos>
</foo>

如果你省略它，那么它就不会.

and if you omit it, then it won't.

@XmlElement(name="foo")
public List<Foo> getFoos() {
    return foos;
}


<root>
    <foo/>
    <foo/>
</foo>

更多信息

  • http://blog.bdoughan.com/2012/12/jaxb-representing-null-and-empty.html

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