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+<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> \ No newline at end of file