layui select多选下拉显示 以及回显

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<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>        <br>

　　

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
                });
                //渲染之前选中的(业务编辑功能用的到)
                //取出之前已经选中的编码 1101,1103,1105,1107
                var lis = $("#hiddensheshi").val(); 
                var lisarr = lis.split(",");
                 formSelects.value('selectId',lisarr,true);
        }else{
            hint("获得酒店设施失败", true);
        }