37 lines
784 B
Go
37 lines
784 B
Go
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package generate
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import (
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mathrand "math/rand"
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"strconv"
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"time"
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)
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// GenerateTransactionID 生成唯一订单号的函数
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func GenerateTransactionID() string {
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length := 16
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// 获取当前时间戳
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timestamp := time.Now().UnixNano()
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// 转换为字符串
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timeStr := strconv.FormatInt(timestamp, 10)
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// 生成随机数
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mathrand.Seed(time.Now().UnixNano())
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randomPart := strconv.Itoa(mathrand.Intn(1000000))
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// 组合时间戳和随机数
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combined := timeStr + randomPart
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// 如果长度超出指定值，则截断；如果不够，则填充随机字符
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if len(combined) >= length {
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return combined[:length]
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}
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// 如果长度不够，填充0
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for len(combined) < length {
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combined += strconv.Itoa(mathrand.Intn(10)) // 填充随机数
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}
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return combined
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}
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