廢話不多說,直接上代碼: 有注釋
復制代碼 代碼如下:
<head>
    <title></title>
    <style type="text/css">
        div
        {
            border: 1px solid black;
            width: 100px;
        }
        ul .tit, .content
        {
            list-style-type: none;
        }
        .menu
        {
            padding: 0px;
            margin: 0px;
        }
        .tit
        {
            background-color:#0094ff;
            color:White;
            padding:2px 10px;
            cursor:pointer;
        }
    </style>
    <script src="js/jquery-1.9.0.js" type="text/javascript"></script>
    <script type="text/javascript">
        $(function () {
            //一開始直接隱藏菜單
            $(".content").hide();
            //給標題添加點擊事件
            $(".tit").click(function () {
                //當點擊的時候,打開菜單,同時其他的菜單隱藏
                $(this).next().slideDown().parent().siblings().children(".content").slideUp();
            }).first().next().slideDown();//默認之后第一個菜單打開
        });
    </script>
</head>
<body>
    <div>
        <ul>
            <li>菜單1</li>
            <li>
                <ul>
                    <li>11111</li>
                    <li>11111</li>
                    <li>11111</li>
                    <li>11111</li>
                </ul>
            </li>
        </ul>
        <ul>
            <li>菜單2</li>
            <li>
                <ul>
                    <li>22222</li>
                    <li>22222</li>
                    <li>22222</li>
                    <li>22222</li>
                </ul>
            </li>
        </ul>
        <ul>
            <li>菜單3</li>
            <li>
                <ul>
                    <li>22222</li>
                    <li>22222</li>
                    <li>22222</li>
                    <li>22222</li>
                </ul>
            </li>
        </ul>
    </div>
</body>
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