如何使用JAXB的馬歇爾/解組一的爲myBean

Question

收集我有一個爲myBean註釋

@XmlRootElement 
public class MyBean ... 

編組/解組爲myBean W/O問題，例如

JAXBContext jaxbCtx = JAXBContext.newInstance(MyBean.class); 
Marshaller m = jaxbCtx.createMarshaller(); 
m.marshal(myBean, writer); 

我該如何使用JAXB來編組/收集列表？

我嘗試導致此錯誤：

javax.xml.bind.MarshalException 
- with linked exception: 
[com.sun.istack.internal.SAXException2: unable to marshal type "java.util.ArrayList" as an element because it is missing an @XmlRootElement annotation] 
    at com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.write(MarshallerImpl.java:304) 
    at com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.marshal(MarshallerImpl.java:230) 

Answer 1

你必須創建MyBeanList類型的其他元素，並使用它。有關SO Using JAXB to unmarshal/marshal a List<String>