Question

我具有如下的json结构

[{“名称”：“ minpur”，“孩子”：[{ “ name”：“ ppp1”， “儿童”：[{ “ name”：“ feeder”， “儿童”：[{ “ name”：“ rmu16”， “儿童”：[{ “ name”：“ invt16”， “儿童”：[{ “ aname”：“ inv 01”， “值”：300 }，{ “ aname”：“ inv 03”， “值”：500 }] }] }] }]}]}]

我想添加子对象的值并推送到相应的父对象像下面一样

[{“ name”：“ minpur”，“ value”：800，“ children”：[{“ name”：“ ppp1”， “值”：800，“子级”：[{“名称”：“馈线”，“值”：800， “儿童”：[{ “ name”：“ rmu16”， “值”：800， “儿童”：[{ “ name”：“ invt16”， “值”：800， “儿童”：[{ “ aname”：“ inv 01”， “值”：300 }，{ “ aname”：“ inv 03”， “值”：500 }] }]}]}]}]}]

Answer 1

您可以创建一个递归函数来迭代子级，并根据其子级添加值，等等。

注意：示例中的value属性出现在children属性之后。

const fn = arr => arr.map(o => {
  if(!o.children) return o
  
  const children = fn(o.children)
  const value = (o.value || 0) + children.reduce((r, { value }) => r + value, 0)
  
  return {
    ...o,
    value,
    children
  }
})

const data = [{"name":"minpur","children":[{"name":"ppp1","children":[{"name":"feeder","children":[{"name":"rmu16","children":[{"name":"invt16","children":[{"aname":"inv 01","value":300},{"aname":"inv 03","value":500}]}]}]}]}]}]

const result = fn(data)

console.log(result)

如何添加子对象的值并将其推送到相应的父对象

1 个答案: