<div class="apiDetail">
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<div>
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<h2><span>Number</span><span class="path">treeNode.</span>level</h2>
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<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 核心 js ]</span></h3>
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<div class="desc">
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<p></p>
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<div class="longdesc">
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<p>记录节点的层级</p>
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<p class="highlight_red">初始化节点数据时，由 zTree 增加此属性，请勿提前赋值</p>
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</div>
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</div>
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<h3>Number 格式说明</h3>
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<div class="desc">
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<p class="highlight_red">根节点 level = 0，依次递增</p>
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</div>
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<h3>treeNode 举例</h3>
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<h4>1. 查看当前被选中的节点的级数</h4>
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<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
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var sNodes = treeObj.getSelectedNodes();
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if (sNodes.length > 0) {
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var level = sNodes[0].level;
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}
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</code></pre>
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</div>
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</div>
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