Layui tree 下拉菜单树

1.效果:
Layui tree 下拉菜单树
2.html 代码:
<!DOCTYPE html>

<html>

<head>

    <meta charset="utf-8">

    <title>layui</title>

    <meta name="renderer" content="webkit">

    <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">

    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">

    <link rel="stylesheet" href="static/layui/css/layui.css" media="all">

    <!-- 注意：如果你直接复制所有代码到本地，上述css路径需要改成你本地的 -->

    <style type="text/css">

        .downpanel .layui-select-title span {

            line-height: 38px;

        }

        /*继承父类颜色*/

        .downpanel dl dd:hover {

            background-color: inherit;

        }

    </style>

    <style type="text/css">

        body {

            height: 100%;

            width: 100%;

            background-size: cover;

            margin: 0 auto;

        }

        td {

            font-size: 12px !important;

        }

        .layui-form-checkbox span {

            height: 30px;

        }

        .layui-field-title {

            border-top: 1px solid white;

        }

        table {

            width: 100% !important;

        }

    </style>

</head>

<body>

<form class="layui-form">

    <div class="layui-form-item">

        <label class="layui-form-label">文章栏目</label>

        <div class="layui-input-inline">

            <div class="layui-unselect layui-form-select downpanel">

                <div class="layui-select-title">

                    <span class="layui-input layui-unselect" id="treeclass">选择栏目</span>

                    <input type="hidden" name="selectID" value="0">

                    <i class="layui-edge"></i>

                </div>

                <dl class="layui-anim layui-anim-upbit">

                    <dd>

                        <ul id="classtree"></ul>

                    </dd>

                </dl>

            </div>

        </div>

    </div>

</form>

<script src="static/layui/layui.js" charset="utf-8"></script>

<!-- 注意：如果你直接复制所有代码到本地，上述js路径需要改成你本地的 -->

<script type="text/javascript">

    layui.use(['element', 'tree', 'layer', 'form', 'upload'], function () {

        var $ = layui.jquery, tree = layui.tree;

        tree({

            elem: "#classtree"

            ,

            nodes: [{

                name: '常用文件夹',

                id: 1,

                alias: 'changyong',

                children: [{name: '所有未读', id: 11, href: 'http://www.layui.com/', alias: 'weidu'}, {

                    name: '置顶邮件',

                    id: 12

                }, {name: '标签邮件', id: 13}]

            }, {

                name: '我的邮箱',

                id: 2,

                spread: true,

                children: [{

                    name: 'QQ邮箱',

                    id: 21,

                    spread: true,

                    children: [{

                        name: '收件箱',

                        id: 211,

                        children: [{name: '所有未读', id: 2111}, {name: '置顶邮件', id: 2112}, {name: '标签邮件', id: 2113}]

                    }, {name: '已发出的邮件', id: 212}, {name: '垃圾邮件', id: 213}]

                }, {

                    name: '阿里云邮',

                    id: 22,

                    children: [{name: '收件箱', id: 221}, {name: '已发出的邮件', id: 222}, {name: '垃圾邮件', id: 223}]

                }]

            }]

            ,

            click: function (node) {

                var $select = $($(this)[0].elem).parents(".layui-form-select");

                $select.removeClass("layui-form-selected").find(".layui-select-title span").html(node.name).end().find("input:hidden[name='selectID']").val(node.id);

            }

        });

        $(".downpanel").on("click", ".layui-select-title", function (e) {

            $(".layui-form-select").not($(this).parents(".layui-form-select")).removeClass("layui-form-selected");

            $(this).parents(".downpanel").toggleClass("layui-form-selected");

            layui.stope(e);

        }).on("click", "dl i", function (e) {

            layui.stope(e);

        });

        $(document).on("click", function (e) {

            $(".layui-form-select").removeClass("layui-form-selected");

        });

    });

</script>

</body>

</html>

</body>

</html>
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Layui tree 下拉菜单树

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