package HyTools

import (
	"math/rand"
	"time"
)

func RandInt64(min, max int64) int64 {
	if min >= max || min == 0 || max == 0 {
		return max
	}
	return rand.Int63n(max-min) + min
}

// 获取随机数字字符串
func GetRandNumber(l int) string {

	str := "0123456789"
	bytes := []byte(str)
	result := []byte{}
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for i := 0; i < l; i++ {
		result = append(result, bytes[r.Intn(len(bytes))])
	}
	return string(result)

}

// 生成随机字符串
func GetRandomString(l int) string {

	str := "0123456789abcdefghijklmnopqrstuvwxyz"
	bytes := []byte(str)
	result := []byte{}
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	for i := 0; i < l; i++ {
		result = append(result, bytes[r.Intn(len(bytes))])
	}
	return string(result)
}