ssh：使用session中的list初始化struts2的select标签

Question

 <s:select list="%{#request.listDepartment}" id="list" listKey="did" listValue="dname"                    headerKey="-1" headerValue="--请选择--"/>会报错：HTTP Status 500 - tag 'select', field 'list': The requested list key '#request.listDepartment' could not be resolved as a collection/array/map/enumeration/iterator type. Example: people or people.{name} - [unknown location]这要怎么解决，已经测试list不为空，求各位大神帮忙

Answer 1

s:select list=“#request.listDepartment”