Layui tree 下拉菜单树的实例代码

1.效果：

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" rel="external nofollow" 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,children: [{
   name: '收件箱',id: 211,id: 2111},{name: '置顶邮件',id: 2112},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},id: 222},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 下拉菜单树的实例代码

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