function translateDataToTree(data) {
let parents = data.filter(value => value.parentId == 'undefined' || value.parentId == null)
let children = data.filter(value => value.parentId !== 'undefined' && value.parentId != null)
let translator = (parents, children) => {
parents.forEach((parent) => {
children.forEach((current, index) => {
if (current.parentId === parent.id) {
let temp = JSON.parse(JSON.stringify(children))
temp.splice(index, 1)
translator([current], temp)
typeof parent.children !== 'undefined' ? parent.children.push(current) : parent.children = [current]
}
})
} )
}
translator(parents, children)
return parents
}
标签：parent,value,current,树形,parents,数组,parentId,数据,children From： https://www.cnblogs.com/Daguaishou0704/p/17094640.html