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| | | <div class="apiDetail"> |
| | | <div> |
| | | <h2><span>Function(treeNode)</span><span class="path">zTreeObj.</span>getNodeIndex</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>获取某节点在同级节点中的序号(从0开始)</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>treeNode</b><span>JSON</span></h4> |
| | | <p>需要查询顺序的节点 JSON 数据对象</p> |
| | | <p class="highlight_red">请务必保证此节点数据对象 是 zTree 内部的数据对象</p> |
| | | <h4 class="topLine"><b>返回值</b><span>Number</span></h4> |
| | | <p class="highlight_red">返回值从 0 开始计数</p> |
| | | <p class="highlight_red">如果不存在该节点数据,返回 -1</p> |
| | | </div> |
| | | <h3>function 举例</h3> |
| | | <h4>1. 获取当前选中的第一个节点在同级节点中的序号</h4> |
| | | <pre xmlns=""><code>var treeObj = $.fn.zTree.getZTreeObj("tree"); |
| | | var nodes = treeObj.getSelectedNodes(); |
| | | if (nodes.length>0) { |
| | | var index = treeObj.getNodeIndex(nodes[0]); |
| | | } |
| | | </code></pre> |
| | | </div> |
| | | </div> |