package tool import "github.com/shopspring/decimal" var oneHundredDecimal decimal.Decimal = decimal.NewFromInt(100) //分转元 func Fen2Yuan(fen int64) float64 { y, _ := decimal.NewFromInt(fen).Div(oneHundredDecimal).Truncate(2).Float64() return y } //元转分 func Yuan2Fen(yuan float64) int64 { f, _ := decimal.NewFromFloat(yuan).Mul(oneHundredDecimal).Truncate(0).Float64() return int64(f) }