jquery 拖动（Draggable）约束运动，输出数组排序Array

<!doctype html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <title>jQuery UI 拖动（Draggable） - 约束运动</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no">
    <link rel="stylesheet" href="http://code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
    <script src="http://cdn.bootcss.com/jquery/3.1.0/jquery.min.js"></script>
    <script src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
    <!--  <link rel="stylesheet" href="http://jqueryui.com/resources/demos/style.css"> -->
    <style>
        *{
            margin:0;
            padding: 0;
            box-sizing: border-box;
        }
        .container{
            border: 1px solid black;
            margin-bottom: 10px;
            margin-top: 10px;
        }
        .container:after{
            content: "";
            display: block;
            clear: both;
        }
        .drag{
            width: 200px;
            height: 200px;
            float: left;
        }
        ul li {
            list-style: none;
        }
        .innerdiv{
            padding: 10px;
            height: 100%;
        }
        .innerdiv2{
            background: grey;
            height: 100%;
        }
        #draggable1{
            width: 400px;
            height: 400px;
        }
        .move{
            width: 80px;
            height: 40px;
            background: blanchedalmond;
        }
    </style>
    <script>
        $(function() {
            var arr = '';
            var sort = $( ".sortable" ).sortable({
                handle: ".move",
                opacity: 0.7,
                delay: 150,
                cursor:'move',
                revert: true,
                stop:function(){
                    //记录sort后的id顺序数组
                    var arr = $( ".sortable" ).sortable('toArray');
                    console.log(arr);
//拖拽后利用localStorage记录顺序
                    localStorage.arr = arr;
                }
            });
            var localSt = localStorage.arr;
            //如果有localst记录则，按照这个进行排序元素
            if(localSt){
                var resArr = localSt.split(',');
                var resUl = $('ul');
                //li 数组
                for(var i = 0;i < resArr.length;i++){
                    resUl.append($("#" + resArr[i]));
                }
            }
        });
    </script>
</head>
<body>
<div class="container">
    <ul class="sortable">
        <li id="draggable2" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                    只有鼠标放在小长方形里才能移动
                </div>
            </div>
        </li>
        <li id="draggable3" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                </div>
            </div>
        </li>
        <li id="draggable4" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                </div>
            </div>
        </li>
        <li id="draggable5" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                </div>
            </div>
        </li>
        <li id="draggable6" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                </div>
            </div>
        <li id="draggable1" class="drag">
            <div class="innerdiv">
                <div class="innerdiv2">
                    <div class="move">放在这里</div>
                </div>
            </div>
        </li>
        </li>
    </ul>
</div>
</body>
</html>
jquery 拖动（Draggable） 约束运动，输出数组排序Array

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