console
var Main = {
data() {
return {
data: [{
id: 1,
label: '一级 1',
children: [{
id: 4,
label: '二级 1-1',
children: [{
id: 9,
label: '三级 1-1-1'
}, {
id: 10,
label: '三级 1-1-2'
}]
}]
}, {
id: 2,
label: '一级 2',
children: [{
id: 5,
label: '二级 2-1'
}, {
id: 6,
label: '二级 2-2'
}]
}, {
id: 3,
label: '一级 3',
children: [{
id: 7,
label: '二级 3-1'
}, {
id: 8,
label: '二级 3-2'
}]
}],
defaultProps: {
children: 'children',
label: 'label'
}
};
},
methods:{
submit(){
const checkedKeys = this.$refs.tree.getCheckedKeys()
const hafcheckedKeys = this.$refs.tree.getHalfCheckedKeys()
console.log(checkedKeys,hafcheckedKeys)
}
}
};
var Ctor = Vue.extend(Main)
new Ctor().$mount('#app')
<script src="https://unpkg.com/vue@2.7.14/dist/vue.js"></script>
<script src="https://unpkg.com/element-ui@2.15.12/lib/index.js"></script>
<div id="app">
<el-tree
ref="tree"
:data="data"
show-checkbox
node-key="id"
:default-expanded-keys="[2, 3]"
:default-checked-keys="[5]"
:props="defaultProps">
</el-tree>
<el-button @click="submit">ddddd</el-button>
</div>
@import url("https://unpkg.com/element-ui@2.15.12/lib/theme-chalk/index.css");