<area>
<area1>
<content>
<contentID>1</contentID>
<contentName>a</contentName>
<contentUser>aa</contentUser>
</content>
<content>
<contentID>2</contentID>
<contentName>b</contentName>
<contentUser>bb</contentUser>
</content>
</area1>
<area2>
<content>
<contentID>3</contentID>
<contentName>c</contentName>
<contentUser>cc</contentUser>
</content>
</area2>
<area3>
<content>
<contentID>4</contentID>
<contentName>d</contentName>
<contentUser>dd</contentUser>
</content>
</area3>
</area>