JavaBean与XML之间转换（Xstream）

maven 导入 jar

com.thoughtworks.xstream

xstream

1.4.9

import com.thoughtworks.xstream.annotations.XStreamAlias;

import com.thoughtworks.xstream.annotations.XStreamImplicit;

@XStreamAlias("bean")

public class TestBean {

@XStreamAlias("姓名")

private String name;

@XStreamAlias("年龄")

private int age;

@XStreamImplicit(itemFieldName = "bean2")

private List beans;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

public List getBeans() {

return beans;

}

public void setBeans(List beans) {

this.beans = beans;

}

@Override

public String toString() {

// TODO 自动生成的方法存根

return ToStringBuilder.reflectionToString(this);

}

}

public class TestBean2 {

private String name;

private int age;

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public int getAge() {

return age;

}

public void setAge(int age) {

this.age = age;

}

}

public static void main(String[] args) {

// Bean转XML

// 初始化TestBean 对象

TestBean bean = new TestBean();

bean.setName("test");

bean.setAge(18);

List list = new ArrayList<>();

TestBean2 bean1 = new TestBean2();

bean1.setName("test");

bean1.setAge(18);

TestBean2 bean2 = new TestBean2();

bean2.setName("test");

bean2.setAge(18);

list.add(bean1);

list.add(bean2);

// list 压入对象

bean.setBeans(list);

// 创建xstream对象

XStream xstream = new XStream();

// 自动侦查注解

xstream.autodetectAnnotations(true);

// 设置节点名称 绑定到指定的类 输出xml 的时候 就不会显示的 显示包了

//xstream.alias("TestBean", TestBean.class);

xstream.alias("TestBean2", TestBean2.class);

String xml = xstream.toXML(bean);

System.out.println(xml );

    图片

//xml 转java bean

TestBean fromBean = (TestBean) xstream.fromXML(xml);

System.out.println(fromBean.getAge());

System.out.println(fromBean.getName());

System.out.println(fromBean.getBeans().get(0).getAge());

System.out.println(fromBean.getBeans().get(0).getName());

System.out.println(fromBean.getBeans().get(1).getAge());

System.out.println(fromBean.getBeans().get(1).getName());

图片

//list 结构的 TestBean2

List list2 = new ArrayList<>();

TestBean2 b2= new TestBean2();

b2.setAge(1);

b2.setName("asdasd");

list2.add(b2);

TestBean2 b21= new TestBean2();

b21.setAge(2);

b21.setName("asdasd2");

list2.add(b21);

TestBean2 b22= new TestBean2();

b22.setAge(3);

b22.setName("asdasd3");

list2.add(b22);

xstream.alias("beans", java.util.List.class);

String list2xml = xstream.toXML(list2);

System.out.println(list2xml);

图片

//xml 转 list

List fromLists =  (List) xstream.fromXML(list2xml);

for (TestBean2 testBean2 : fromLists) {

System.out.println(testBean2.getAge());

System.out.println(testBean2.getName());

}

图片

}