TODO 解析

<?xml version="1.0"  encoding="UTF-8"?> 
<device-model-set>
<device-model>
<device-model-code>HRUP-02002002</device-model-code> 
<device-model-name>grand s</device-model-name>
<device-type>GATEWAY</device-type>
<device-model-desc></device-model-desc>                            
<device-capacity-set>
<device-capacity>         
<device-capacity-name>phonelnglat</device-capacity-name>
<device-capacity-unit></device-capacity-unit>
<device-capacity-direction>UP</device-capacity-direction>
<device-capacity-data-type>LOCATION</device-capacity-data-type>
</device-capacity>
<device-capacity>         
<device-capacity-name>data</device-capacity-name>
<device-capacity-unit></device-capacity-unit>
<device-capacity-direction></device-capacity-direction>
<device-capacity-data-type>NUMBER</device-capacity-data-type>
</device-capacity>
</device-capacity-set>
</device-model>
<!-- ... append more device-model -->
</device-model-set>