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jQuery插件zTree實(shí)現(xiàn)清空選中第一個(gè)節(jié)點(diǎn)所有子節(jié)點(diǎn)的方法

 更新時(shí)間：2017年03月08日 10:30:41   作者：翱翔天地  
這篇文章主要介紹了jQuery插件zTree實(shí)現(xiàn)清空選中第一個(gè)節(jié)點(diǎn)所有子節(jié)點(diǎn)的方法,涉及jQuery樹形插件zTree針對(duì)節(jié)點(diǎn)的遍歷與移除相關(guān)操作技巧,需要的朋友可以參考下

本文實(shí)例講述了jQuery插件zTree實(shí)現(xiàn)清空選中第一個(gè)節(jié)點(diǎn)所有子節(jié)點(diǎn)的方法。分享給大家供大家參考，具體如下：

1、實(shí)現(xiàn)代碼：

<!DOCTYPE html>
<html>
<head>
  <title>zTree實(shí)現(xiàn)基本樹</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:"武漢市", open:true},
      { id:111, pId:11, name:"漢口"},
      { id:112, pId:11, name:"漢陽"},
      { id:113, pId:11, name:"武昌"},
      { id:12, pId:1, name:"黃石市"},
      { id:121, pId:12, name:"黃石港區(qū)"},
      { id:122, pId:12, name:"西塞山區(qū)"},
      { id:123, pId:12, name:"下陸區(qū)"},
      { id:124, pId:12, name:"鐵山區(qū)"},
      { id:13, pId:1, name:"黃岡市"},
      { id:131, pId:13, name:"黃州區(qū)"},
      { id:132, pId:13, name:"麻城市"},
      { id:133, pId:13, name:"武穴市"},
      { id:134, pId:13, name:"團(tuán)風(fēng)縣"},
      { id:135, pId:13, name:"浠水縣"},
      { id:136, pId:13, name:"羅田縣"},
      { id:137, pId:13, name:"英山縣"},
      { id:2, pId:0, name:"湖南省", open:true},
      { id:21, pId:2, name:"長沙市", open:true},
      { id:211, pId:21, name:"芙蓉區(qū)"},
      { id:212, pId:21, name:"天心區(qū)"},
      { id:213, pId:21, name:"岳麓區(qū)"},
      { id:214, pId:21, name:"開福區(qū)"},
      { id:22, pId:2, name:"株洲市"},
      { id:221, pId:22, name:"天元區(qū)"},
      { id:222, pId:22, name:"荷塘區(qū)"},
      { id:223, pId:22, name:"蘆淞區(qū)"},
      { id:224, pId:22, name:"石峰區(qū)"}
    ];
    $(document).ready(function(){
      $.fn.zTree.init($("#baseTree"), setting, zNodes);
    });
    /**
     * 清空選中的第一個(gè)節(jié)點(diǎn)的子節(jié)點(diǎn)
     */
    function removeChildNodesTree()
    {
      var treeObj = $.fn.zTree.getZTreeObj("baseTree");
      //獲取全部節(jié)點(diǎn)數(shù)據(jù)
      var nodes = treeObj.getNodes();
      for (var i=0, l=nodes.length; i < l; i++)
      {
        //清空選中的第一個(gè)節(jié)點(diǎn)的子節(jié)點(diǎn)
        treeObj.removeChildNodes(nodes[i]);
      }
    }
    //-->
  </script>
 </head>
<body>
<div class="content_wrap">
  <div class="zTreeDemoBackground left">
    <ul id="baseTree" class="ztree" style="height: 300px; width:200px; overflow-y: auto"></ul>
    <input type="button" id="btn" onclick="removeChildNodesTree()" value="清空選中的第一個(gè)節(jié)點(diǎn)的子節(jié)點(diǎn)"/>
  </div>
</div>
</body>
</html>

2、實(shí)現(xiàn)效果圖：

（1）初始化

（2）單擊按鈕

3、源碼說明：

//清空選中的第一個(gè)節(jié)點(diǎn)的子節(jié)點(diǎn)
treeObj.removeChildNodes(nodes[i]);

附：zTree_v3插件點(diǎn)擊此處本站下載。

更多關(guān)于jQuery相關(guān)內(nèi)容感興趣的讀者可查看本站專題：《jQuery常用插件及用法總結(jié)》、《jquery中Ajax用法總結(jié)》、《jQuery表格(table)操作技巧匯總》、《jQuery擴(kuò)展技巧總結(jié)》、《jQuery常見經(jīng)典特效匯總》及《jquery選擇器用法總結(jié)》

希望本文所述對(duì)大家jQuery程序設(shè)計(jì)有所幫助。

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