package utils

import (
	"math/rand"
	"time"
)

// 生成编号 SeqNo 0-9A-Z
func SeqNo(length int) string {
	items := []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"}

	// 创建基于时间的随机生成器
	source := rand.NewSource(time.Now().UnixNano())
	rng := rand.New(source)

	// 生成32位长度的字符串值
	result := ""
	for i := 0; i < length; i++ {
		randomIndex := rng.Intn(len(items))
		randomItem := items[randomIndex]
		result += randomItem
	}

	return result
}