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+<div class="apiDetail">
+<div>
+	<h2><span>Function()</span><span class="path">treeNode.</span>getPreNode</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>获取与 treeNode 节点相邻的前一个节点。</p>
+			<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>
+		</div>
+	</div>
+	<h3>Function 参数说明</h3>
+	<div class="desc">
+	<h4><b>返回值</b><span>JSON</span></h4>
+	<p>与 treeNode 节点相邻的前一个节点。</p>
+	<p class="highlight_red">如果 treeNode 是第一个节点，返回 null 。</p>
+	</div>
+	<h3>treeNode 举例</h3>
+	<h4>1. 获取当前被选中的节点的前一个节点</h4>
+	<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
+var sNodes = treeObj.getSelectedNodes();
+if (sNodes.length > 0) {
+	var node = sNodes[0].getPreNode();
+}
+</code></pre>
+</div>
+</div>
+\ No newline at end of file