本文主要介绍了jQuery插件zTree实现删除树节点的方法,结合实例形式分析了jQuery树插件zTree针对节点的遍历与删除操作相关技巧,需要的朋友可以参考下,希望能帮助到大家。
1、实现代码:
<!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="zTree_v3/css/demo.css" rel="external nofollow" > <link rel="stylesheet" type="text/css" href="zTree_v3/css/zTreeStyle/zTreeStyle.css" rel="external nofollow" > <script type="text/javascript" src="zTree_v3/js/jquery-1.4.4.min.js"></script> <script type="text/javascript" src="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: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++) { //删除选中的节点 treeObj.removeNode(nodes[i]); } } //--> </script> </head> <body> <p class="content_wrap"> <p 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="删除节点"/> </p> </p> </body> </html>
2、实现效果图:
(1)初始化
(2)点击“汉口”,再单击“删除节点”
3、说明
//删除选中的节点 treeObj.removeNode(nodes[i]);
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