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 }