springboot框架，java类转成指定格式的xml文件，目标xml格式如下，详细步骤谢谢！

        <?xml version="1.0" encoding="UTF-8"?>
        <messagesxmlns="http://www.neusoft.com/hit/rhin">
            <heartbeat>0</heartbeat>
            <switchset>
                <authority>
                    <authoritytype>0</authoritytype>
                    <username/>
                    <userpwd/>
                    <license/>
                </authority>
                <visitor>
                    <sourceorgan/>
                    <sourcedomain>节点编码</sourcedomain>
                </visitor>
                <serviceinf>
                    <servicecode/>
                </serviceinf>
                <provider>
                    <targetorgan/>
                    <targetdomain>平台编码</targetdomain>
                </provider>
                <route/>
                <process/>
            </switchset>
            <business>
                <standardcode>交换标准编码</standardcode>
                <datacompress>压缩标识，填1</datacompress>
                <daqtaskid>任务id，取值17位时间</daqtaskid>
                <businessdata>H4sIAAO3E90tFWnTlWdA8Pi9Wqxl9grsbtOIG/EqScI2InA8ovklZ03gdgIIhILg4VDwISAMYG8s</businessdata>
            </business>
        </messages>

不管框架的事，自己去下一个jar包，经行转换