以country.xml为例,内容如下:
<?xml version=1.0?>
<data>
<country name=Liechtenstein>
<rank updated=yes>2</rank>
<year>2008</year>
<gdppc>141100</gdppc>
<neighbor name=Austria direction=E/>
<neighbor name=Switzerland direction=W/>
</country>
<country name=Singapore>
