package main

import (
	"fmt"
	"strconv"
)

func main() {

	num1 := 29.444444444
	num2 := 29.555555555

	num11 := Decimal(num1)
	num22 := Decimal(num2)

	fmt.Println(num11) //29.44
	fmt.Println(num22) //29.56
}

//float64 保留两位小数
func Decimal(value float64) float64 {
	value, _ = strconv.ParseFloat(fmt.Sprintf("%.2f", value), 64)
	return value
}