layui select多选下拉显示 以及回显

<input type="hidden" id="hiddensheshi" name="hiddensheshi" value="${sysEntertainment.sheshi}">

<div class="layui-form-item layui-form-text" >
		    <label class="layui-form-label"><span style="color:red;">*        
                    </span>多选</label>
		    <div class="layui-form" style="margin-left:130px;">
				<select name="sheshi" xm-select="selectId" id="sheshi">
				     <option value="">--请选择--</option> 
				</select>
		    </div>
</div>        

　　

var diclistsheshi = ${diclistsheshi}; //后台用model存的List<Map<String,String>>
        if(diclistsheshi != "" && diclistsheshi != null ){ //在下拉框显示选项
                var arr = []; var lis = $("#hiddensheshi").val(); for(var i = 0;i<diclistsheshi.length;i++){ var arrStr = {name:diclistsheshi[i].dicname,value:diclistsheshi[i].dicnum}; arr.push(arrStr); } formSelects.data('selectId', 'local', { arr: arr }); //渲染以前选中的(业务编辑功能用的到)
                //取出以前已经选中的编码 1101,1103,1105,1107
                var lis = $("#hiddensheshi").val(); var lisarr = lis.split(","); formSelects.value('selectId',lisarr,true); }else{ hint("得到酒店设施失败", true); }