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111 lines
2.4 KiB
111 lines
2.4 KiB
package godecimal
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import (
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"fmt"
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"go.dtapp.net/library/utils/gostring"
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"math"
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"strconv"
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)
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// Decimal 四舍五入
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func Decimal(value float64) float64 {
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value, _ = strconv.ParseFloat(fmt.Sprintf("%.2f", value), 64)
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return value
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}
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// Round 四舍五入
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func Round(f float64, n int) float64 {
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n10 := math.Pow10(n)
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return math.Trunc((f+0.5/n10)*n10) / n10
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}
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// RoundYInt64 四舍五入
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func RoundYInt64(y int64, n int) float64 {
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return Round(float64(y/100), n)
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}
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// RoundYString 四舍五入
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func RoundYString(y string, n int) float64 {
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return Round(gostring.ToFloat64(y)/100, n)
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}
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// PddCouponAmount 优惠券金额
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func PddCouponAmount(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// PddCouponProportion 拼多多佣金比率
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func PddCouponProportion(y int64) float64 {
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return Round(float64(y)/10, 2)
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}
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// PddGoodsOriginalPrice 拼多多商品原价
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func PddGoodsOriginalPrice(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// PddGoodsPrice 拼多多商品券后价
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func PddGoodsPrice(y, x float64) float64 {
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return Round(y-x, 2)
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}
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// PddCommission 拼多多佣金
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func PddCommission(y, x float64) float64 {
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return Round((y*x)/100, 2)
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}
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// TbCouponAmount 淘宝优惠券金额
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func TbCouponAmount(y int64) float64 {
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return Round(float64(y), 2)
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}
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// TbCouponProportion 淘宝佣金比率
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func TbCouponProportion(y string) float64 {
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return Round(gostring.ToFloat64(y)/100, 2)
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}
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// TbGoodsOriginalPrice 淘宝商品原价
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func TbGoodsOriginalPrice(y string) float64 {
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return Round(gostring.ToFloat64(y), 2)
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}
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// TbGoodsPrice 淘宝商品券后价
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func TbGoodsPrice(y, x float64) float64 {
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return Round(y-x, 2)
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}
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// TbCommission 淘宝佣金
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func TbCommission(y, x float64) float64 {
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return Round((y*x)/100, 2)
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}
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// WmCouponAmount 小商店优惠券金额
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func WmCouponAmount(y string) float64 {
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return Round(gostring.ToFloat64(y)/100, 2)
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}
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// WmCouponProportion 小商店佣金比率
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func WmCouponProportion(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// WmCommission 小商店佣金
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func WmCommission(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// WmGoodsOriginalPrice 小商店商品原价
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func WmGoodsOriginalPrice(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// WmGoodsPrice 小商店商品券后价
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func WmGoodsPrice(y int64) float64 {
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return Round(float64(y)/100, 2)
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}
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// JdCommission 京东佣金
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func JdCommission(y, x float64) float64 {
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return Round((y*x)/100, 2)
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}
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