赛亿官网

setting.callback.beforeRemove.html 1.2KB

    <div class="apiDetail"> <div> <h2><span>Function(treeId, treeNode)</span><span class="path">setting.callback.</span>beforeRemove</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>用于捕获节点被删除之前的事件回调函数,并且根据返回值确定是否允许删除操作</p> <p>默认值:null</p> </div> </div> <h3>Function 参数说明</h3> <div class="desc"> <h4><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>将要删除的节点 JSON 数据对象</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 将不删除节点,也无法触发 onRemove 事件回调函数</p> </div> <h3>setting & function 举例</h3> <h4>1. 禁止全部删除操作</h4> <pre xmlns=""><code>function zTreeBeforeRemove(treeId, treeNode) { return false; } var setting = { edit: { enable: true }, callback: { beforeRemove: zTreeBeforeRemove } }; ......</code></pre> </div> </div>