前端Sortable拖拽实现排序

<div class="layui-row" id="optionDataDiv">
 
    <div class="layui-row" id="div1" style="margin-left: 20px;margin-top: 5px">
        <div class="layui-col-xs4">
            <input type="text" name="optionKey" class="layui-input" value="" placeholder="选项名">
        div>
        <div class="layui-col-xs4">
            <input type="text" name="optionValue" class="layui-input" value="" placeholder="选项值">
        div>
        <div class="layui-col-xs4">
            <button type="button" class="layui-btn layui-btn-primary optionRemove"><i class="layui-icon">i>button>
            <button type="button" title="长按拖拽排序" class="layui-btn layui-btn-primary module" style="margin-left: -3px!important;"><i class="layui-icon"> ● i>button>
        div>
    div>
 
 
    <div class="layui-row" id="div2" style="margin-left: 20px;margin-top: 5px">
        <div class="layui-col-xs4">
            <input type="text" name="optionKey" class="layui-input" value="" placeholder="选项名">
        div>
        <div class="layui-col-xs4">
            <input type="text" name="optionValue" class="layui-input" value="" placeholder="选项值">
        div>
        <div class="layui-col-xs4">
            <button type="button" class="layui-btn layui-btn-primary optionRemove"><i class="layui-icon">i>button>
            <button type="button" title="长按拖拽排序" class="layui-btn layui-btn-primary module" style="margin-left: -3px!important;"><i class="layui-icon"> ● i>button>
        div>
    div>
 
div>

        function initOrder() {
            // 父容器
            var container = document.getElementById("optionDataDiv");
            Sortable.create(container, {
                animation: 500, // 排序时移动项目的动画速度,0则不带动画
                handle: ".module", // 将排序开始点击/触摸限制为指定的元素
                draggable: ".layui-row", //指定元素内的哪些项应可排序
                // 改变后触发
                onUpdate: function (evt){
                    //console.log(evt);
                    //console.log(evt.item);
                    //console.log(evt.nextSibling);
                },
                // 选择点击后触发
                onChoose: function (evt) {
                    //console.log(evt);
                    console.log(evt.item.id); //.layui-row的id
                },
            });
        }