/**
 * @Author: aesoper
 * @Description:
 * @File:  rand
 * @Version: 1.0.0
 * @Date: 2020/5/19 21:12
 */

package utils

import (
	"math/rand"
	"time"
)

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