模板图片：
源码：
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>分类选择</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="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> </head> <body> <form class="layui-form"> <div class="layui-form-item"> <label class="layui-form-label">分类名称</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">选择分类</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="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: '手机', id: 1, alias: 'changyong', children: [{name: '小米手机', id: 11, href: 'http://www.layui.com/', alias: 'weidu'}, { name: '华为手机', id: 12 }, {name: '苹果手机', id: 13}] }, { name: '电脑', id: 2, spread: true, children: [{ name: '笔记本', id: 21, spread: true, children: [{ name: '台式笔记本', id: 211, children: [{name: '鼠标', id: 2111}] }, {name: '华为笔记本', id: 212}, {name: '小米笔记本', id: 213}] }, { name: '电脑配件', id: 22, children: [{name: '鼠标', id: 221}, {name: '键盘', id: 222}, {name: '主机', 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>