JS基石之-----数组转换为树结构函数

时间：2019-12-18 15:37:30 收藏：0 阅读：89

我们常常在做后台管理系统的时候需要对数据进行组装成一个树装结构，这里特地将此方法进行封装：

let data = [
    { id: 1, text: ‘t11‘, parentId: 0 },
    { id: 2, text: ‘t11‘, parentId: 0 },
    { id: 3, text: ‘t11‘, parentId: 1 },
    { id: 4, text: ‘t11‘, parentId: 1 },
    { id: 5, text: ‘t11‘, parentId: 3 },
    { id: 6, text: ‘t11‘, parentId: 2 }
]
function treeData (data, id, parentId, childName) {
    let cloneData = JSON.parse(JSON.stringify(data))
    return cloneData.filter((father) => {
        let newArr = cloneData.filter((child) => {
            return father[id] === child[parentId]
        })
        father[childName] = newArr
        return father[parentId] === 0
    })
}
let msg = treeData(data, ‘id‘, ‘parentId‘, ‘childaaa‘)
console.log(msg)

原文：https://www.cnblogs.com/style-hyh/p/12059809.html