From d74b495736f0c04522ec54274b70fed0ded2878d Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 11:30:06 +0800
Subject: [PATCH] 任务新增导出
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+<div class="apiDetail">
+<div>
+ <h2><span>Function(treeId, treeNodes, targetNode, moveType, isCopy)</span><span class="path">setting.callback.</span>beforeDrop</h2>
+ <h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.exedit</span> 扩展 js ]</span></h3>
+ <div class="desc">
+ <p></p>
+ <div class="longdesc">
+ <p>用于捕获节点拖拽操作结束之前的事件回调函数，并且根据返回值确定是否允许此拖拽操作</p>
+ <p>默认值：null</p>
+ <p class="highlight_red">如未拖拽到有效位置，则不触发此回调函数，直接将节点恢复原位置</p>
+ </div>
+ </div>
+ <h3>Function 参数说明</h3>
+ <div class="desc">
+ <h4><b>treeId</b><span>String</span></h4>
+ <p>目标节点 targetNode 所在 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>
+ <h4 class="topLine"><b>treeNodes</b><span>Array(JSON)</span></h4>
+ <p>被拖拽的节点 JSON 数据集合</p>
+ <p class="highlight_red">无论拖拽操作为 复制 还是 移动，treeNodes 都是当前被拖拽节点的数据集合。</p>
+ <h4 class="topLine"><b>targetNode</b><span>JSON</span></h4>
+ <p>treeNodes 被拖拽放开的目标节点 JSON 数据对象。</p>
+ <p class="highlight_red">如果拖拽成为根节点，则 targetNode = null</p>
+ <h4 class="topLine"><b>moveType</b><span>String</span></h4>
+ <p>指定移动到目标节点的相对位置</p>
+ <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>
+ <h4 class="topLine"><b>isCopy</b><span>Boolean</span></h4>
+ <p>拖拽节点操作是 复制 或 移动</p>
+ <p class="highlight_red">true：复制；false：移动</p>
+ <h4 class="topLine"><b>返回值</b><span>Boolean</span></h4>
+ <p>返回值是 true / false</p>
+ <p class="highlight_red">如果返回 false，zTree 将恢复被拖拽的节点，也无法触发 onDrop 事件回调函数</p>
+ </div>
+ <h3>setting & function 举例</h3>
+ <h4>1. 禁止将节点拖拽成为根节点</h4>
+ <pre xmlns=""><code>function zTreeBeforeDrop(treeId, treeNodes, targetNode, moveType) {
+ return !(targetNode == null || (moveType != "inner" && !targetNode.parentTId));
+};
+var setting = {
+ edit: {
+ enable: true
+ },
+ callback: {
+ beforeDrop: zTreeBeforeDrop
+ }
+};
+......</code></pre>
+</div>
+</div>
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