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ppgo_job/static/zTree3/api/cn/zTreeObj.removeChildNodes.html
2018-07-13 17:53:34 +08:00

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<div class="apiDetail">
<div>
<h2><span>Function(parentNode)</span><span class="path">zTreeObj.</span>removeChildNodes</h2>
<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 扩展 js ]</span></h3>
<div class="desc">
<p></p>
<div class="longdesc">
<p>清空某父节点的子节点</p>
<p class="highlight_red">1清空子节点后父节点会自动变为叶子节点如需要父节点保持父节点状态请设置 setting.data.keep.parent 属性</p>
<p class="highlight_red">2请勿用此方法清空根节点如果需要清空根节点直接初始化 zTree并且设置初始节点为 null 即可</p>
<p class="highlight_red">3此方法不会触发任何事件回调函数</p>
<p class="highlight_red">请通过 zTree 对象执行此方法</p>
</div>
</div>
<h3>Function 参数说明</h3>
<div class="desc">
<h4><b>parentNode</b><span>JSON</span></h4>
<p>需要清空子节点的父节点数据</p>
<p class="highlight_red">请务必保证此节点数据对象 zTree 内部的数据对象</p>
<h4 class="topLine"><b>返回值</b><span>Array(JSON)</span></h4>
<p>将该父节点的子节点数据返回如果不存在则返回 null</p>
</div>
<h3>function 举例</h3>
<h4>1. 清空选中的第一个节点的子节点</h4>
<pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree");
var nodes = treeObj.getSelectedNodes();
if (nodes && nodes.length>0) {
treeObj.removeChildNodes(nodes[0]);
}
</code></pre>
</div>
</div>