30 lines
690 B
Go
30 lines
690 B
Go
package utils
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import (
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"math/rand"
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"micro-bundle/internal/model"
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"time"
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)
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const source = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"
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// 生成订单号 模版 BD20250220104501+6位随机数 避免 订单号重复
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func GetOrderNo(orderType int32) string {
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if orderType == model.OrderTypeBundle {
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return "BD" + GetRandomString(20)
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} else if orderType == model.OrderTypeValueAdd {
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return "BNPL" + GetRandomString(20)
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}
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return ""
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}
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// 生成随机字符串
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func GetRandomString(length int) string {
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rand.Seed(time.Now().UnixNano())
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bytes := make([]byte, length)
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for i := 0; i < length; i++ {
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bytes[i] = source[rand.Intn(62)]
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}
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return string(bytes)
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}
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