前面陆陆续续的写过一些ztree的文章，但调用的是后端的接口，demo拿过去没有办法可以直接查看前端的界面，这就造成了一部分人对此理解的困扰。
jQuery的ztree仿windows文件新建和拖拽效果
https://www.jianshu.com/p/bfa67325719c
ztree实现编辑和删除功能
https://www.jianshu.com/p/95d1df89665f
ztree实现根节点单击事件，显示节点信息
https://www.jianshu.com/p/1e0ca6d8afad
现在写了一个小的demo，具体可以参考官方文档，从文档上拿来一串json数据，放在前端的代码里面，方便大家查看效果，以及方便后端返回的数据。
<!DOCTYPE html>
<html>
<head>
<title>ztree</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="ztree_v3/css/zTreeStyle/zTreeStyle.css" />
<link rel="stylesheet" type="text/css" href="ztree_v3/ztree_custom.css" />
<script src="js/jquery-2.1.1.min.js"></script>
<script src="ztree_v3/js/jquery.ztree.core-3.5.min.js"></script>
<script src="ztree_v3/js/jquery.ztree.excheck-3.5.min.js"></script>
<script src="ztree_v3/js/jquery.ztree.exedit-3.5.min.js"></script>
</head>
<body>
<div class="content_wrap">
<div class="zTreeDemoBackground left">
<ul id="sys" class="ztree"></ul>
</div>
</div>
</body>
<script type="text/javascript">
var setting = {
view: {
showLine: false, //不显示连接线
//showIcon: showIconForTree //不显示文件夹图标（调用showIconForTree()）
},
data: {
simpleData: {
enable: true
}
}
};
var nodes = [
{ id: 1, pId: 0, name: "父节点1 - 展开", open: false }, //根据pId参数指定父结点
{ id: 11, pId: 1, name: "父节点11 - 折叠" },
{ id: 111, pId: 11, name: "叶子节点111" },
{ id: 112, pId: 11, name: "叶子节点112" },
{ id: 113, pId: 11, name: "叶子节点113" },
{ id: 114, pId: 11, name: "叶子节点114" },
{ id: 12, pId: 1, name: "父节点12 - 折叠" },
{ id: 121, pId: 12, name: "叶子节点121" },
{ id: 122, pId: 12, name: "叶子节点122" },
{ id: 123, pId: 12, name: "叶子节点123" },
{ id: 124, pId: 12, name: "叶子节点124" },
{ id: 13, pId: 1, name: "父节点13 - 没有子节点", isParent: false },
{ id: 2, pId: 0, name: "父节点2 - 折叠" },
{ id: 21, pId: 2, name: "父节点21 - 展开", open: false },
{ id: 211, pId: 21, name: "叶子节点211" },
{ id: 212, pId: 21, name: "叶子节点212" },
{ id: 213, pId: 21, name: "叶子节点213" },
{ id: 214, pId: 21, name: "叶子节点214" },
{ id: 22, pId: 2, name: "父节点22 - 折叠" },
{ id: 221, pId: 22, name: "叶子节点221" },
{ id: 222, pId: 22, name: "叶子节点222" },
{ id: 223, pId: 22, name: "叶子节点223" },
{ id: 224, pId: 22, name: "叶子节点224" },
{ id: 23, pId: 2, name: "父节点23 - 折叠" },
{ id: 231, pId: 23, name: "叶子节点231" },
{ id: 232, pId: 23, name: "叶子节点232" },
{ id: 233, pId: 23, name: "叶子节点233" },
{ id: 234, pId: 23, name: "叶子节点234" },
{ id: 3, pId: 0, name: "父节点3 - 没有子节点", isParent: true }
];
/*function showIconForTree(treeId, treeNode) {
return !treeNode.isParent;
};*/
$(document).ready(function() {
$.fn.zTree.init($("#sys"), setting, nodes);
});
</script>
</html>
在浏览器里面打开，效果如图所示：
把demo放在了github上面，有需要的可以自行下载;github：https://github.com/wangxiaoting666/ztree
原文作者：祈澈姑娘 技术博客：https://www.jianshu.com/u/05f416aefbe1
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