1. 取数组第一项
<#if subModelList?? && (subModelList?size > 0)> <#assign subFirst = subModelList[0]> <#if subFirst??> <@list.column entityAttrList=subFirst.entityAttrList isSub=true /> </#if> </#if>
Freemarker语法收集
原文：https://www.cnblogs.com/mengff/p/11112882.html
