<div id="products">

<h1 class="ui-widget-header">Products</h1>

<div id="catalog">

<h2><a href="#">T-Shirts</a></h2>

    <div>

        <ul>

            <li>Lolcat Shirt</li>

            <li>Cheezeburger Shirt</li>

            <li>Buckit Shirt</li>

        </ul>

    </div>

<h2><a href="#">Bags</a></h2>

    <div>

        <ul>

            <li>Zebra Striped</li>

            <li>Black Leather</li>

            <li>Alligator Leather</li>

        </ul>

    </div>

<h2><a href="#">Gadgets</a></h2>

    <div>

        <ul>

            <li>iPhone</li>

            <li>iPod</li>

            <li>iPad</li>

        </ul>

    </div>

</div>

</div>

<div id="cart">

<h1 class="ui-widget-header">Shopping Cart</h1>

    <div class="ui-widget-content">

        <ol>

            <li class="placeholder">Add your items here</li>

        </ol>

    </div>

</div>

　　這個是js代碼主要在js代碼中紅色代碼部分設置了可以拖動進入時就排序，橙色代碼部分不太理解，好像沒用的樣子

復制代碼代碼如下:

$(function () {

    $("#catalog").accordion();

    $("#catalog li").draggable({

        appendTo: "body",

        helper: "clone",

        connectToSortable: "#cart ol"

    });

    $("#cart ol").sortable({

        items: "li:not(.placeholder)",

        connectWith: "li",

        sort: function () {

            $(this).removeClass("ui-state-default");

        },

        over: function () {

            //hides the placeholder when the item is over the sortable

            $(".placeholder").hide(); 

        },

        out: function () {

            if ($(this).children(":not(.placeholder)").length == 0) {

                //shows the placeholder again if there are no items in the list

                $(".placeholder").show();

            }

        }

    });

});