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TA貢獻1851條經驗 獲得超3個贊
作為 的附加參數,您必須跟蹤您的深度級別getPoint。將默認值設置為 0,并在每次遞歸時遞增它。然后你可以為它逐級找到對應的點。(我為 0 級插入了 1.0 系數)。我還添加了評論以顯示每個級別的部分結果。
const data = [
{ id: 1, name: 'A', referer_id: null, point: 4 },
{ id: 2, name: 'B', referer_id: 1, point: 100 },
{ id: 3, name: 'C', referer_id: null, point: 4 },
{ id: 4, name: 'D', referer_id: 1, point: 2 },
{ id: 5, name: 'E', referer_id: null, point: 4 },
{ id: 6, name: 'F', referer_id: null, point: 4 },
{ id: 7, name: 'G', referer_id: 2, point: 4 }
];
const pointsByLevel = [1, 0.5, 0.3, 0.2]; // NOTE: I added a 1.0 for level 0
function getPoint(user_id, level = 0) {
const user = data.find((u) => u.id === user_id);
const mainUserPoint = user.point;
let sum = 0;
for (let subdep of data.filter((d) => d.referer_id === user_id)) {
let val = getPoint(subdep.id, level + 1);
sum += val;
}
let result = (mainUserPoint * pointsByLevel[level]) + sum;
console.log(`getPoint for ${user_id} "${user.name}" is ${level} levels deep and has the value ${result}`)
return result;
}
console.log(getPoint(1));
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