java - 将对象序列化为 XML，无需 [xmlns =""]

Question

Jackson XML 手册这样写对象

<Simple>
  <x>1</x>
  <y>2</y>
</Simple>

在 https://github.com/FasterXML/jackson-dataformat-xml 但在我的代码中，它有 [xmlns=""]，而且它不属于我的业务。

我的代码:

public class Sample {
    private int id=1;
    private String name="abc";

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }
    public static void main(String[] args) throws Exception {
        XmlMapper mapper = new XmlMapper();
        System.out.println(mapper.writeValueAsString(new Sample()));
       //<Sample xmlns=""><id>1</id><name>abc</name></Sample>
    }
}

Answer 1

如上一篇文章 issue 32 中所述:

Using Stax implementation other than one that is bundled with JDK: both Woodstox and Aalto work in a way that does not produce this extra (harmless) namespace declaration.