JAXB（一）入门--概述，简单例子

JAXB（Java Architecture for XML Binding) 

主要方法：Marshaller的marshal()方法，

// marshal 整理,编列,元帅的意思

 

/** * @author timeriver.wang * @date 2013-01-09 8:07:01 PM */@XmlRootElement@XmlAccessorType(XmlAccessType.PROPERTY)public class Student {private String id;private String name;public String getId() {return id;}@XmlElement(name = "id")public void setId(String id) {this.id = id;}@XmlElement(name = "name")public String getName() {return name;}public void setName(String name) {this.name = name;}}

 

/** * @author timeriver.wang * @date 2013-01-09 8:07:09 PM *///@XmlRootElement(namespace ="NAMESPACE" )@XmlRootElementpublic class Teacher {    private String id;    private String name;    private List<Student>students;    @XmlAttribute (name = "tid")      public String getId() {        return id;    }    public void setId( String id ) {        this.id = id;    }    @XmlElement(name = "tname")    public String getName() {        return name;    }    public void setName( String name ) {        this.name = name;    }    @XmlElementWrapper(name="students")    @XmlElement(name = "student")    public List<Student> getStudents() {        return students;    }    public void setStudents( List<Student> students ) {        this.students = students;    }}

 

 

/** * @author timeriver.wang * @date 2013-01-09 8:08:15 PM */public class Test {    private static String filePath = "D:/teacher.xml";    public static void main( String[] args )throws Exception {        toXml();        toObj();    }    public static void toXml()throws Exception {        // organize Object(to be saved/persisted)        Student stu = new Student();        stu.setId( "007" );        stu.setName( "zhouxingxing" );        Student stu2 = new Student();        stu2.setId( "008" );        stu2.setName( "dawenxi" );        List<Student>students = new ArrayList<Student>();        students.add( stu );        students.add( stu2 );        Teacher teacher = new Teacher();        teacher.setId( "101" );        teacher.setName( "daoyan" );        teacher.setStudents( students );                //        JAXBContext jaxbContext = JAXBContext.newInstance( Teacher.class );        // marshal 整理,编列,元帅的意思        Marshaller jaxbMarshaller = jaxbContext.createMarshaller();        // format, make every element keep a separate line.         jaxbMarshaller.setProperty( Marshaller.JAXB_FORMATTED_OUTPUT, true );        //output --> file        File file = new File( filePath );        jaxbMarshaller.marshal( teacher, file );        //output --> console        jaxbMarshaller.marshal( teacher, System.out );    }        public static void toObj()throws Exception {        File file = new File( filePath );        JAXBContext jaxbContext = JAXBContext.newInstance( Teacher.class );        Unmarshaller jaxbUnmarshaller = jaxbContext.createUnmarshaller();        Teacher teacher = (Teacher) jaxbUnmarshaller.unmarshal( file );        System.out.println( teacher.getName() );    }}