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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（ ） < / 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 >