package common

import (
	"math/rand"
	"time"
)

//生成随机字符串
func RandStr(strLen int) string {
	rand.Seed(time.Now().UnixNano())
	data := make([]byte, strLen)
	var num int
	for i := 0; i < strLen; i++ {
		num = rand.Intn(57) + 65
		for {
			if num > 90 && num < 97 {
				num = rand.Intn(57) + 65
			} else {
				break
			}
		}
		data[i] = byte(num)
	}
	return string(data)
}
func ArrayReverseInt(s []int) []int {
	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
		s[i], s[j] = s[j], s[i]
	}
	return s
}
func ArrayReverseByte(s []byte) []byte {
	for i, j := 0, len(s)-1; i < j; i, j = i+1, j-1 {
		s[i], s[j] = s[j], s[i]
	}
	return s
}