双层循环数组变成单层，减少算法复杂度

数据结构

allPremises:{
  {
    "id":1，
    "name":"xxx"
  },
  {
    "id":2，
    "name":"xxx"
  }
}

premisess:{
  {
    "premisessId":1,
    "num":3
  },
  {
    "premisessId":2,
    "num":4
  }
}

premisessList:{
  {
    "premisessId":1,
    "num":3
  },
  {
    "premisessId":2,
    "num":4
  }
}

let obj = {};
allPremises.forEach(({ id }) => obj[id] = true);
const find = (a, key) => {
  for (const v of a) {
    if (obj[v[key]]) {
      return "1";
    }
  }
  return "0"
}
memberType = find(premisess, "premisessId")
staffType = find(premisessList, "premisessId")