zhongrj
2023-06-27 d74b495736f0c04522ec54274b70fed0ded2878d
public/map/lib/zTree_v3/api/cn/treeNode.zAsync.html
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   <h2><span>Boolean</span><span class="path">treeNode.</span>zAsync</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 节点是否已经进行过异步加载,避免父节点反复异步加载数据。</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>
         <p class="highlight_red">默认值:false (无子节点的父节点); true (有子节点的父节点 & 叶子节点)</p>
      </div>
   </div>
   <h3>Boolean 格式说明</h3>
   <div class="desc">
   <p> true 表示父节点展开时不需要自动异步加载</p>
   <p> false 表示父节点展开时需要自动异步加载</p>
   <p class="highlight_red"> 此参数不会对 reAsyncChildNodes 方法造成任何影响</p>
   </div>
   <h3>treeNode 举例</h3>
   <h4>1. 查看当前被选中的节点是否节点是否需要自动异步加载</h4>
   <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var sNodes = treeObj.getSelectedNodes();
if (sNodes.length > 0) {
   var zAsync = sNodes[0].zAsync;
}
</code></pre>
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