fusenapi/utils/format/price.go

package format

import (
	"fmt"
)

// 厘转美元(四舍五入)
func CentitoDollar(price int64, remainFloatPoint ...uint) string {
	s := "%0.3f"
	if len(remainFloatPoint) > 0 {
		s = fmt.Sprintf("%%0.%df", remainFloatPoint[0])
	}
	return fmt.Sprintf(s, float64(price)/float64(1000))
}

// 厘转美元(向下截断,舍弃掉厘)用于计算总价
func CentitoDollarWithNoHalfAdjust(price int64, remainFloatPoint ...uint) string {
	s := "%0.2f"
	if len(remainFloatPoint) > 0 {
		s = fmt.Sprintf("%%0.%df", remainFloatPoint[0])
	}
	t := price / 10
	return fmt.Sprintf(s, float64(t)/float64(100))
}

// 厘转美元
func CentitoDollarStr(price float64) string {
	s := "%0.2f"
	return fmt.Sprintf(s, price/float64(1000))
}