//翻转数组
export  function  reverseArr(arr){
  let newArr = []
  for (let i = arr.length-1; i >=0; i--) {
    newArr.push(arr[i])
  }
  return newArr
}

//将数组中的同比和环比保留两位小数
export function keepTwo(arr){
  if (arr.length>0){
    for (let i = 0; i < arr.length; i++) {
      arr[i].tongbi = Number(arr[i].tongbi.toFixed(2))
      arr[i].huanbi = Number(arr[i].huanbi.toFixed(2))
    }
  }
}