xml转json

安装包

<dependency>
    <groupId>com.fasterxml.jackson.dataformat</groupId>
    <artifactId>jackson-dataformat-xml</artifactId>
    <version>2.15.3</version>
</dependency>

使用

类定义

@Data
@JacksonXmlRootElement(localName = "room")
public class Room {
    /**
     * 房间名称
     */
    @JacksonXmlProperty(localName = "name")
    private String name;
    /**
     * 房间号
     */
    @JacksonXmlProperty(localName = "no")
    private Integer no;

    /**
     * 其他信息
     */
    @JacksonXmlProperty(localName = "info")
    private Info info;

    /**
     * 学生
     */
    @JacksonXmlElementWrapper(localName = "students")
    @JacksonXmlProperty(localName = "student")
    private List<Student> students;

    /**
     * 老师
     */
    @JacksonXmlElementWrapper(useWrapping = false)
    @JacksonXmlProperty(localName = "teacher")
    private List<Teacher> teachers;

    @Data
    public static class Student {
        @JacksonXmlProperty(localName = "name")
        private String name;
        @JacksonXmlProperty(localName = "age")
        private Integer age;
    }

    @Data
    public static class Teacher {
        @JacksonXmlProperty(localName = "name")
        private String name;
        @JacksonXmlProperty(localName = "age")
        private Integer age;
    }

    @Data
    public static class Info {
        @JacksonXmlProperty(localName = "address")
        private String address;
        /**
         * 人数
         */
        @JacksonXmlProperty(localName = "number")
        private Integer number;
    }
}

toStringXml

Room room = new Room();
        room.setNo(1);
        room.setName("天水一班");
        Room.Info info = new Room.Info();
        info.setAddress("天水");
        info.setNumber(5);
        room.setInfo(info);
        ArrayList<Room.Teacher> teachers = new ArrayList<>();
        Room.Teacher teacher = new Room.Teacher();
        teacher.setAge(40);
        teacher.setName("王老师");
        teachers.add(teacher);
        Room.Teacher teacher2 = new Room.Teacher();
        teacher2.setAge(45);
        teacher2.setName("曾老师");
        teachers.add(teacher2);
        room.setTeachers(teachers);
        ArrayList<Room.Student> students = new ArrayList<>();
        Room.Student student = new Room.Student();
        student.setAge(18);
        student.setName("张三");
        students.add(student);
        Room.Student student2 = new Room.Student();
        student2.setAge(19);
        student2.setName("李四");
        students.add(student2);
        Room.Student student3 = new Room.Student();
        student3.setAge(19);
        student3.setName("王五");
        students.add(student3);
        room.setStudents(students);

        String xmlString = XmlUtil.toXMLString(room);
        System.out.println(xmlString);
// 打印========>

//        xmlString = "<room>\n" +
//                "    <name>天水一班</name>\n" +
//                "    <no>1</no>\n" +
//                "    <info>\n" +
//                "        <address>天水</address>\n" +
//                "        <number>5</number>\n" +
//                "    </info>\n" +
//                "    <students>\n" +
//                "        <student>\n" +
//                "            <name>张三</name>\n" +
//                "            <age>18</age>\n" +
//                "        </student>\n" +
//                "        <student>\n" +
//                "            <name>李四</name>\n" +
//                "            <age>19</age>\n" +
//                "        </student>\n" +
//                "        <student>\n" +
//                "            <name>王五</name>\n" +
//                "            <age>19</age>\n" +
//                "        </student>\n" +
//                "    </students>\n" +
//                "    <teacher>\n" +
//                "        <name>王老师</name>\n" +
//                "        <age>40</age>\n" +
//                "    </teacher>\n" +
//                "    <teacher>\n" +
//                "        <name>曾老师</name>\n" +
//                "        <age>45</age>\n" +
//                "    </teacher>\n" +
//                "</room>";

toJson

String xmlString = "<room>\n" +
                "    <name>天水一班</name>\n" +
                "    <no>1</no>\n" +
                "    <info>\n" +
                "        <address>天水</address>\n" +
                "        <number>5</number>\n" +
                "    </info>\n" +
                "    <students>\n" +
                "        <student>\n" +
                "            <name>张三</name>\n" +
                "            <age>18</age>\n" +
                "        </student>\n" +
                "        <student>\n" +
                "            <name>李四</name>\n" +
                "            <age>19</age>\n" +
                "        </student>\n" +
                "        <student>\n" +
                "            <name>王五</name>\n" +
                "            <age>19</age>\n" +
                "        </student>\n" +
                "    </students>\n" +
                "    <teacher>\n" +
                "        <name>王老师</name>\n" +
                "        <age>40</age>\n" +
                "    </teacher>\n" +
                "    <teacher>\n" +
                "        <name>曾老师</name>\n" +
                "        <age>45</age>\n" +
                "    </teacher>\n" +
                "</room>";

        Room parse = XmlUtil.parse(xmlString, Room.class);
        System.out.println(parse);

代码示例