25 lines
456 B
Go
25 lines
456 B
Go
package main
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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 generateOrderNo() string {
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// 使用当前时间戳 + 随机数生成订单号
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// 格式：RG + 年月日时分秒 + 6位随机数
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r := rand.New(rand.NewSource(time.Now().UnixNano()))
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return fmt.Sprintf("RG%s%06d",
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time.Now().Format("20060102150405"),
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r.Intn(1000000),
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)
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}
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func main() {
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for i := 0; i < 10; i++ {
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fmt.Println(generateOrderNo())
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time.Sleep(1 * time.Millisecond)
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}
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}
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