utils/money/money.go

package money

import "github.com/shopspring/decimal"

func Yuan2Fen(price float64) int64 {
	return decimal.NewFromFloat(price).Mul(decimal.New(1, 2)).IntPart()
}

func Fen2Yuan(price uint64) float64 {
	//分除以100得到元
	d := decimal.New(1, 2)
	result, _ := decimal.NewFromInt(int64(price)).DivRound(d, 2).Float64()
	return result
}