2022-07-08 test

    test(arr) {
      for (var i in arr) {
        for (var j in arr[i]) {
          if (j == 'couponCategoryName') {
            arr[i]['categoryName'] = arr[i][j] //修改属性名为“categoryName”
            delete arr[i]['couponCategoryName'] //删除“couponCategoryName”
          }
          if (j == 'supplier') {
            arr[i]['supplierName'] = arr[i][j]
            delete arr[i]['supplier']
          }

          if (j == 'lastNumber') {
            arr[i]['restNum'] = arr[i][j]
            delete arr[i]['lastNumber']
          }

          if (j == 'days') {
            arr[i]['validDay'] = arr[i][j]
            delete arr[i]['days']
          }
        }
      }
      return arr
    },