element-plus/packages/tree/doc/basic4.vue

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2020-08-21 16:16:08 +08:00
<template>
<el-tree
:data="data"
show-checkbox
node-key="id"
:default-expanded-keys="[2, 3]"
:default-checked-keys="[5]"
:props="defaultProps"
check-on-click-node
highlight-current
/>
</template>
<script>
export default {
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',
},
}
},
}
</script>