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zTree实现删除树子节点
1、实现源代码
<!DOCTYPE html>
<html>
<head><title>zTree实现基本树</title><meta http-equiv="content-type" content="text/html; charset=UTF-8"><link rel="stylesheet" type="text/css" href="../../../css/demo.css"><link rel="stylesheet" type="text/css" href="../../../css/zTreeStyle/zTreeStyle.css"><script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script><script type="text/javascript" src="../../../js/jquery.ztree.core-3.5.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"},{ id:23, pId:2, name:"湘潭市"},{ id:231, pId:23, name:"雨湖区"},{ id:232, pId:23, name:"岳塘区"},{ id:233, pId:23, name:"湘乡市"},{ id:234, pId:23, name:"韶山市"}];$(document).ready(function(){$.fn.zTree.init($("#baseTree"), setting, zNodes);});/*** 删除选中的子节点*/function removeNodes(){var treeObj = $.fn.zTree.getZTreeObj("baseTree");//选中节点var nodes = treeObj.getSelectedNodes();for (var i=0, l=nodes.length; i < l; i++) {//删除选中的子节点treeObj.removeChildNodes(nodes[i]);}}//--></script></head><body>
<div class="content_wrap"><div class="zTreeDemoBackground left" style="text-align: center;"><ul id="baseTree" class="ztree" style="height: 300px; width:200px; overflow-y: auto"></ul><input type="button" id="btn" onclick="removeNodes()" value="删除子节点"/></div>
</div>
</body>
</html>2、实现结果
（1）初始化
（2）选择“武汉”，然后单击“删除子节点”
（3）选择“武汉市”。然后单击“删除子节点”。不能再删除子节点
3、源代码说明
//删除选中的子节点
treeObj.removeChildNodes(nodes[i]);
