tree数据如何只要前两级
data: [{ id: 1,
label: '一级 2',
children: [{
id: 3,
label: '二级 2-1',
children: [{
id: 4,
label: '三级 3-1-1'
}, {
id: 5,
label: '三级 3-1-2',
disabled: true
}]
}, {
id: 2,
label: '二级 2-2',
disabled: true,
children: [{
id: 6,
label: '三级 3-2-1'
}, {
id: 7,
label: '三级 3-2-2',
disabled: true
}]
}]
}],
回答:
[{ id: 1,
label: '一级 2',
children: [{
id: 3,
label: '二级 2-1',
children: [{
id: 4,
label: '三级 3-1-1'
}, {
id: 5,
label: '三级 3-1-2',
disabled: true
}]
}, {
id: 2,
label: '二级 2-2',
disabled: true,
children: [{
id: 6,
label: '三级 3-2-1'
}, {
id: 7,
label: '三级 3-2-2',
disabled: true
}]
}]
}].map(v => ({...v, children: v.children.map(o => ({...o, children: []}))}))
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