1.Thinkphp 获取单个列的数组
$coins = M('coin')->getField('name_en',true);
2. foreach嵌套eq
<foreach name="coins" item="vo">
<option value="{$vo}"
<eq name='vo' value='$coin'>
selected="selected"
<else/>
</eq>
>{$vo}
</option>
</foreach>