box-cost/boxcost/utils/uitls.go

package utils

func OrderIdRange(OrderId int64) (int64, int64) {
	minOrderId := OrderId //后面有几个零
	var maxStep int64 = 1
	currValue := minOrderId
	for {
		if currValue%10 == 0 {
			currValue = currValue / 10
			maxStep = maxStep * 10
		} else {
			break
		}
	}
	maxOrderId := minOrderId + maxStep - 1
	return minOrderId, maxOrderId
}