需求:将list中的值遍历为两列,且当list个数为奇数时添加一个空行列 字符串
<#list (orders.attributeItems["xx"])?split(",") as item>
<#if (item_index+1) % 2 == 0>
<td><button>${(item_index+1)}档:${(item)!''}元
${((orders.attributeItems["xx"])?split(","))?size}</button></td>
</tr>
<#elseif (((orders.attributeItems["xx"])?split(","))?size % 2 == 1 )
&& ((item_index+1) % ((orders.attributeItems["xx"])?split(","))?size ==0)>
<tr>
<td><button>${(item_index+1)}档:${(item)!''}元</button></td>
<td> </td>
</tr>
<#else>
<tr>
<td><button>${(item_index+1)}档:${(item)!''}元</button></td>
</#if>
</#list>it
Ps:遍历
(orders.attributeItems["xx"])?split(","):将字符串划分为list集合。集合
((orders.attributeItems["xx"])?split(","))?size % 2 == 1 :经过集合长度判断是否为奇数列字符
item_index+1:集合下标(从1开始)index