var objTree = {.....}
objTree.map(v => ({...v,children: v.children.map(o => ({...o,children:null}))}))
var objTree = {.....}
objTree.map(v => ({...v,children: v.children.map(o => ({...o,children:null}))}))
本文标题:当后端返回多级树形结构,但需求只取前两级
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