<!DOCTYPE html> <html> <head> <title>zTree实现基本树</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <link type="text/css" href="https://www.jb51.net/zTree_v3/css/demo.css" > <link type="text/css" href="https://www.jb51.net/zTree_v3/css/zTreeStyle/zTreeStyle.css" > <script type="text/javascript" src="https://www.jb51.net/zTree_v3/js/jquery-1.4.4.min.js"></script> <script type="text/javascript" src="https://www.jb51.net/zTree_v3/js/jquery.ztree.core.min.js"></script> <script type="text/javascript"> <!-- var setting = { data: { simpleData: { enable: true } } }; var zNodes =[ { id:1, pId:0, name:"湖北省", open:true}, { id:11, pId:1, name:"武汉市", open:true}, { id:111, pId:11, name:"汉口"}, { id:112, pId:11, name:"汉阳"}, { id:113, pId:11, name:"武昌"}, { id:12, pId:1, name:"黄石市"}, { id:121, pId:12, name:"黄石港区"}, { id:122, pId:12, name:"西塞山区"}, { id:123, pId:12, name:"下陆区"}, { id:124, pId:12, name:"铁山区"}, { id:13, pId:1, name:"黄冈市"}, { id:131, pId:13, name:"黄州区"}, { id:132, pId:13, name:"麻城市"}, { id:133, pId:13, name:"武穴市"}, { id:134, pId:13, name:"团风县"}, { id:135, pId:13, name:"浠水县"}, { id:136, pId:13, name:"罗田县"}, { id:137, pId:13, name:"英山县"}, { id:2, pId:0, name:"湖南省", open:true}, { id:21, pId:2, name:"长沙市", open:true}, { id:211, pId:21, name:"芙蓉区"}, { id:212, pId:21, name:"天心区"}, { id:213, pId:21, name:"岳麓区"}, { id:214, pId:21, name:"开福区"}, { id:22, pId:2, name:"株洲市"}, { id:221, pId:22, name:"天元区"}, { id:222, pId:22, name:"荷塘区"}, { id:223, pId:22, name:"芦淞区"}, { id:224, pId:22, name:"石峰区"} ]; $(document).ready(function(){ $.fn.zTree.init($("#baseTree"), setting, zNodes); }); /** * 获取当前选中的第一个节点在同级节点中的序号 */ function indexNodes() { var treeObj = $.fn.zTree.getZTreeObj("baseTree"); //获取选中的节点 var nodes = treeObj.getSelectedNodes(); if (nodes.length>0) { for(var i=0;i<nodes.length;i++) { var index = treeObj.getNodeIndex(nodes[i]); alert("获取当前选中的第一个节点在同级节点中的序号："+index); } } } //--> </script> </head> <body> <div> <div> <ul></ul> <input type="button" value="获取当前选中的第一个节点在同级节点中的序号"/> </div> </div> </body> </html>
2、实现效果图：
（1）初始化
（2）选择“汉口”时
（3）选择“汉阳”时
3、源码说明：
var index = treeObj.getNodeIndex(nodes[i]); alert("获取当前选中的第一个节点在同级节点中的序号："+index);
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