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package rmb
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import (
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"fmt"
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"github.com/shopspring/decimal"
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)
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// Fen2Yuan 一分钱转一块钱 分转元
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func Fen2Yuan(price int64) string {
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d := decimal.New(1, 2) //分除以100得到元
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result := decimal.NewFromInt(price).DivRound(d, 2).String()
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return result
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}
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// Yuan2Fen 元转分,乘以100后,保留整数部分
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func Yuan2Fen(price float64) int64 {
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d := decimal.New(1, 2) //分转元乘以100
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d1 := decimal.New(1, 0) //乘完之后,保留2为小数,需要这么一个中间参数
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//df := decimal.NewFromFloat(price).Mul(d).DivRound(d1,2).String()
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df := decimal.NewFromFloat(price).Mul(d).IntPart()
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//如下是满足,当乘以100后,仍然有小数位,取四舍五入法后,再取整数部分
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dff := decimal.NewFromFloat(price).Mul(d).DivRound(d1, 0).IntPart()
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fmt.Printf("输入值为:%f, 简单的元转分后,取整数部分:%d\n", price, df)
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fmt.Printf("输入值为:%f, 元转分后,若还有小数,需做四舍五入后,再取整数:%d\n", price, dff)
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return df
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}
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