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Jquery 下拉树下面是一个使用Combotree组件的简单案例：

发布时间 2023-10-24 16:03:34作者: 信铁寒胜

1、html 

<!DOCTYPE html>
<html>
<head>
  <title>Combotree使用案例</title>
  <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/npm/jquery-combotree/dist/jquery.combotree.min.css">
</head>
<body>
  <select id="combotree"></select>

  <script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
  <script src="https://cdn.jsdelivr.net/npm/jquery-combotree/dist/jquery.combotree.min.js"></script>
  <script src="script.js"></script>
</body>
</html>

　2、javascript

$(document).ready(function() {
  // 初始化Combotree
  $('#combotree').combotree({
    data: [
      {
        id: 1,
        text: 'Node 1',
        children: [
          {
            id: 11,
            text: 'Node 1.1'
          },
          {
            id: 12,
            text: 'Node 1.2'
          }
        ]
      },
      {
        id: 2,
        text: 'Node 2'
      }
    ],
    multiple: true, // 允许多选
    cascadeCheck: true // 级联选择
  });
});

　　转自：chatGPT