You cannot select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

30 lines
1.3 KiB
HTML

This file contains ambiguous Unicode characters!

This file contains ambiguous Unicode characters that may be confused with others in your current locale. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to highlight these characters.

<div class="apiDetail">
<div>
<h2><span>Boolean</span><span class="path">treeNode.</span>open</h2>
<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 核心 js ]</span></h3>
<div class="desc">
<p></p>
<div class="longdesc">
<p>记录 treeNode 节点的 展开 / 折叠 状态。</p>
<p class="highlight_red">1、初始化节点数据时如果设定 treeNode.open = true则会直接展开此节点</p>
<p class="highlight_red">2、叶子节点 treeNode.open = false</p>
<p class="highlight_red">3、为了解决部分朋友生成 json 数据出现的兼容问题, 支持 "false","true" 字符串格式的数据</p>
<p class="highlight_red">4、非异步加载模式下无子节点的父节点设置 open=true 后可显示为展开状态但异步加载模式下不会生效。v3.5.15+ </p>
<p>默认值false</p>
</div>
</div>
<h3>Boolean 格式说明</h3>
<div class="desc">
<p> true 表示节点为 展开 状态</p>
<p> false 表示节点为 折叠 状态</p>
</div>
<h3>treeNode 举例</h3>
<h4>1. 查看当前被选中的节点的 展开 / 折叠 状态</h4>
<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
var isOpen = sNodes[0].open;
}
</code></pre>
</div>
</div>