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2025-04-16 c5fb1fbcbb2bf4d511773d348f9ef625855c61fc
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<div class="apiDetail">
<div>
    <h2><span>Function(event, treeId, treeNode)</span><span class="path">setting.callback.</span>onDblClick</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>用于捕获 zTree 上鼠标双击之后的事件回调函数</p>
            <p class="highlight_red">如果设置了 setting.callback.beforeDblClick 方法,且返回 false,将无法触发 onDblClick 事件回调函数。</p>
            <p>默认值:null</p>
        </div>
    </div>
    <h3>Function 参数说明</h3>
    <div class="desc">
    <h4><b>event</b><span>js event 对象</span></h4>
    <p>标准的 js event 对象</p>
    <h4 class="topLine"><b>treeId</b><span>String</span></h4>
    <p>对应 zTree 的 <b class="highlight_red">treeId</b>,便于用户操控</p>
    <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>
    <p>鼠标双击时所在节点的 JSON 数据对象</p>
    <p class="highlight_red">如果不在节点上,则返回 null</p>
    </div>
    <h3>setting & function 举例</h3>
    <h4>1. 每次鼠标双击后, 弹出鼠标所在节点的 tId、name 的信息</h4>
    <pre xmlns=""><code>function zTreeOnDblClick(event, treeId, treeNode) {
    alert(treeNode ? treeNode.tId + ", " + treeNode.name : "isRoot");
};
var setting = {
    callback: {
        onDblClick: zTreeOnDblClick
    }
};
......</code></pre>
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