JAXB java.util.Map绑定

基本上，您需要一个xml适配器。您可以摆弄KeyValue类上的名称，以获得所需的特定输出。

Parameter.java

import javax.xml.bind.annotation.XmlAccessType;import javax.xml.bind.annotation.XmlAccessorType;import javax.xml.bind.annotation.XmlRootElement;import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;import java.util.Map;@XmlRootElement(name = "data")@XmlAccessorType(XmlAccessType.FIELD)public class Parameters {    @XmlJavaTypeAdapter(value = Adapter.class)    private Map<String, String> parametersMap;    // Getter and setter for parametersMap}

Adapter.java

import javax.xml.bind.annotation.adapters.XmlAdapter;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import java.util.Set;public class Adapter extends XmlAdapter<List<KeyValue>, Map<String, String>> {    @Override    public Map<String, String> unmarshal(List<KeyValue> v) throws Exception {        Map<String, String> map = new HashMap<>(v.size());        for (KeyValue keyValue : v) { map.put(keyValue.key, keyValue.value);        }        return map;    }    @Override    public List<KeyValue> marshal(Map<String, String> v) throws Exception {        Set<String> keys = v.keySet();        List<KeyValue> results = new ArrayList<>(v.size());        for (String key : keys) { results.add(new KeyValue(key, v.get(key)));        }        return results;    }}

KeyValue.java显然，这里放置了更好的JAXB标签。

import javax.xml.bind.annotation.XmlType;@XmlTypepublic class KeyValue {    public KeyValue() {    }    public KeyValue(String key, String value) {        this.key = key;        this.value = value;    }    //obviously needs setters/getters    String key;    String value;}