如:
<?xml version="1.0" encoding="UTF-8" ?>
<Items>
<province name="北京市">
<city name="北京市"></city>
</province>
<province name="安徽省">
<city name="黄山市"></city>
<city name="马鞍山市"></city>
<city name="宣城市"></city>
<city name="铜陵市"></city>
<city name="淮南市"></city>
<city name="巢湖地区"></city>
<city name="芜湖市"></city>
<city name="六安地区"></city>
<city name="阜阳市"></city>
<city name="池州地区"></city>
<city name="安庆市"></city>
<city name="合肥市"></city>
<city name="滁州市"></city>
<city name="毫州市"></city>
<city name="淮北市"></city>
<city name="蚌埠市"></city>
<city name="宿州市"></city>
</province>
<Items>
SAX 解析,对 attributes 进行处理,应该可以