简单的Java到XML示例 [英] Simple Java to XML example

问题描述

我刚才读过关于使用注释从Java生成xml的内容，但我现在找不到一个简单的例子。

I've read a time ago about generate xml from Java using annotations, but I'm not finding a simple example now.

如果我想制作一个xml文件如：

If I want to make a xml file like:

<x:element uid="asdf">value</x:element>

：

public class Element {
  private String uid = "asdf";
  private String value = "value";
}

我应该使用哪些注释来执行此操作？ （我有一个xml架构，如果这有助于生成）

Which annotations should I use to perform that? (I have a xml-schema, if this helps the generation)

- 更新

javax .xml.bind.annotation 包有注释，但我仍然没有找到我正在寻找的东西：用法的例子.. :)

The javax.xml.bind.annotation package have the annotations, "but I still haven't found what I'm looking for": an exemple of usage.. :)

推荐答案

找到它：

import java.io.FileOutputStream;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.annotation.XmlRootElement;

public class JavaToXMLDemo {
  public static void main(String[] args) throws Exception {
    JAXBContext context = JAXBContext.newInstance(Employee.class);

    Marshaller m = context.createMarshaller();
    m.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, true);

    Employee object = new Employee();
    object.setCode("CA");
    object.setName("Cath");
    object.setSalary(300);

    m.marshal(object, System.out);

  }
}

@XmlRootElement
class Employee {
  private String code;

  private String name;

  private int salary;

  public String getCode() {
    return code;
  }

  public void setCode(String code) {
    this.code = code;
  }

  public String getName() {
    return name;
  }

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

  public int getSalary() {
    return salary;
  }

  public void setSalary(int population) {
    this.salary = population;
  }
}
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<employee>
    <code>CA</code>
    <name>Cath</name>
    <salary>300</salary>
</employee>

来自： http://www.java2s.com/Code/JavaAPI/javax.xml.bind.annotation/javaxxmlbindannotationXmlRootElement.htm

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