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