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<div class="apiDetail">
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<div>
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<h2><span>Function(event, treeId, treeNodes, targetNode, moveType, isCopy)</span><span class="path">setting.callback.</span>onDrop</h2>
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<h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.exedit</span> 扩展 js ]</span></h3>
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<div class="desc">
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<p></p>
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<div class="longdesc">
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<p>用于捕获节点拖拽操作结束的事件回调函数</p>
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<p class="highlight_red">如果设置了 setting.callback.beforeDrop 方法，且返回 false，将无法触发 onDrop 事件回调函数。</p>
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<p>默认值：null</p>
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</div>
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</div>
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<h3>Function 参数说明</h3>
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<div class="desc">
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<h4><b>event</b><span>js event 对象</span></h4>
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<p>标准的 js event 对象</p>
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<h4 class="topLine"><b>treeId</b><span>String</span></h4>
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<p>目标节点 targetNode 所在 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>
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<h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>
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<p>被拖拽的节点 JSON 数据集合</p>
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<p class="highlight_red">如果拖拽操作为 移动，treeNodes 是当前被拖拽节点的数据集合。</p>
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<p class="highlight_red">如果拖拽操作为 复制，treeNodes 是复制后 clone 得到的新节点数据。</p>
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<h4 class="topLine"><b>targetNode</b><span>JSON</span></h4>
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<p>成为 treeNodes 拖拽结束的目标节点 JSON 数据对象。</p>
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<p class="highlight_red">如果拖拽成为根节点，则 targetNode = null</p>
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<h4 class="topLine"><b>moveType</b><span>String</span></h4>
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<p>指定移动到目标节点的相对位置</p>
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<p class="highlight_red">"inner"：成为子节点，"prev"：成为同级前一个节点，"next"：成为同级后一个节点</p>
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<p class="highlight_red">如果 moveType = null，表明拖拽无效</p>
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<h4 class="topLine"><b>isCopy</b><span>Boolean</span></h4>
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<p>拖拽节点操作是 复制 或 移动</p>
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<p class="highlight_red">true：复制；false：移动</p>
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</div>
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<h3>setting & function 举例</h3>
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<h4>1. 每次拖拽操作结束后， 弹出该被拖拽节点的个数以及目标节点的 tId、name 的信息</h4>
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<pre xmlns=""><code>function zTreeOnDrop(event, treeId, treeNodes, targetNode, moveType) {
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alert(treeNodes.length + "," + (targetNode ? (targetNode.tId + ", " + targetNode.name) : "isRoot" ));
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};
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var setting = {
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callback: {
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onDrop: zTreeOnDrop
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}
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};
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......</code></pre>
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</div>
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</div>
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