如下,当鼠标移入:
当鼠标移出:编辑、添加和删除的功能按钮便消失
上代码:
<el-tree
ref="tree"
:data="dataArr"
node-key="id"
:expand-on-click-node="true"
:default-expanded-keys="oneTree"
:props="defaultProps"
highlight-current
class="personTree"
:filter-node-method="filterNodes"
@node-click="nodeClick"
@node-expand="handleNodeExpand"
@node-collapse="handleNodeCollapse"