java表达式与隐藏域

<%String hdlx = request.getParameter("hdlx"); %><s:form id="editForm" action="xlgzxxtjcxAction_search" enctype="multipart/form-data" target="_parent" namespace='/bd'><s:hidden name="search" value="1"/><!--color:#f2f2f2;--><div id="hdlx1"><%=hdlx %></div><s:hidden name="hdlx" id="hdlx"/> <script type="text/javascript"> $(function(){ var a =document.getElementById("hdlx1").innerHTML; document.getElementById("hdlx").value=a; document.getElementById("hdlx1").innerHTML=""; }) </script>