Anleitung von der offiziellen Website
Baummethoden

Mein eigener Code------------------------------------------------

<button @click='getCheckedNodes'>获取被选中的节点</button>
<button @click="getSelectedNodes">获取被勾选的节点</button>

Mein eigener Code-------------

getCheckedNodes(){
    console.log(this.$refs.Tree.getCheckedNodes());
},
getSelectedNodes(){
    console.log(this.$refs.tree.getSelectedNodes);
}

Einen Fehler melden

App.vue?2573:105 Uncaught TypeError: Cannot read property 'getCheckedNodes' of undefined

at VueComponent.getCheckedNodes (eval at <anonymous> (app.js:967), <anonymous>:92:40)
at boundFn (eval at <anonymous> (app.js:723), <anonymous>:125:14)
at HTMLButtonElement.invoker (eval at <anonymous> (app.js:723), <anonymous>:1659:18)