獲取當前地區地址
```
{:dingyi(cookie('sn'),'')}
```
```
<a href="/index/sn.html?name=0" title="{$v.name}">默認地區</a>
{volist name=":funa('sn',array('open'=>1),'px desc',100,1)" id="v"}
<a href="/index/sn.html?name={$v.name}" title="{$v.name}">{$v.name}</a>
{/volist}
```
