设置显示内容的长度（字符串截取）c标签

     <jmesa:htmlColumn property="name" title="<%=Meeting.ALIAS_NAME%>"
      filterable="false">
    　　  <c:if test="${fn:length(item.name)>8}">${fn:substring(item.name,0,8)}...</c:if>
   　　   <c:if test="${fn:length(item.name)<=8}">${item.name}</c:if>
     </jmesa:htmlColumn>