zhongrj
2023-06-27 d74b495736f0c04522ec54274b70fed0ded2878d
public/map/lib/zTree_v3/api/cn/treeNode.parentTId.html
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   <h2><span>String</span><span class="path">treeNode.</span>parentTId</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>
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         <p>treeNode 节点的父节点唯一标识 tId。</p>
         <p class="highlight_red">1、v3.x 用 parentTId 替换了原先的 parentNode 属性,同时增加了 getParentNode 方法,以避免原先 parentNode 造成的 clone 死循环</p>
         <p class="highlight_red">2、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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   <h3>String 格式说明</h3>
   <div class="desc">
   <p>zTree 内部生成的节点唯一标识,请参考 treeNode.tId 的说明</p>
   <p class="highlight_red">如果 treeNode 是根节点,则 parentTId = null</p>
   </div>
   <h3>treeNode 举例</h3>
   <h4>1. 查看当前被选中的节点的父节点 tId</h4>
   <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
   var parentTId = sNodes[0].parentTId;
}
</code></pre>
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