47 lines
1007 B
Go
47 lines
1007 B
Go
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package utils
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import (
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"fmt"
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"math/rand"
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"time"
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)
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func GenerateOrderNumber() string {
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const prefix = "order"
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const length = 24
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rand.Seed(time.Now().UnixNano())
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// 生成后缀的长度
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suffixLength := length - len(prefix)
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suffix := make([]byte, suffixLength)
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// 填充随机数字
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for i := 0; i < suffixLength; i++ {
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suffix[i] = byte(rand.Intn(10)) + '0'
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}
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return prefix + string(suffix)
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}
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func GenerateOrderRefundNumber() string {
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const prefix = "orderRefund"
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const length = 24
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rand.Seed(time.Now().UnixNano())
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// 生成后缀的长度
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suffixLength := length - len(prefix)
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suffix := make([]byte, suffixLength)
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// 填充随机数字
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for i := 0; i < suffixLength; i++ {
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suffix[i] = byte(rand.Intn(10)) + '0'
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}
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return prefix + string(suffix)
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}
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// ConvertCentsToYuan 将金额从分转换为元并保留两位小数 阿里支付用
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func ConvertCentsToYuan(amountInCents int) string {
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amountInYuan := float64(amountInCents) / 100
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return fmt.Sprintf("%.2f", amountInYuan)
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}
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