element-ui 的 tree怎么收起所有子节点
时间: 2023-08-29 16:05:02 浏览: 200
要收起element-ui的tree的所有子节点,你可以使用以下方法:在tree的node-click事件里,通过遍历所有节点,将除当前节点外的其他节点的expanded属性设置为false,即可实现收起所有子节点的效果。具体代码如下所示:
```javascript
methods: {
handleNodeClick(data, node) {
if (node.expanded) {
let other_nodes = this.$refs.tree.data.filter(item => item.label !== data.label);
other_nodes.forEach((item) => {
this.$refs.tree.store.nodesMap\[item.label\].expanded = false;
})
}
},
},
```
这段代码中,首先获取除当前节点外的其他节点,然后通过遍历这些节点,将它们的expanded属性设置为false,即可实现收起所有子节点的效果。
#### 引用[.reference_title]
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