package com.ruoyi.web.controller.tool;

import java.util.Random;

public class RandomStringGenerator {
    private static final String CHARACTERS = "abcdefghijklmnopqrstuvwxyz0123456789";

    public static String generateRandomString(int length) {
        StringBuilder sb = new StringBuilder(length);
        Random random = new Random();
        for (int i = 0; i < length; i++) {
            sb.append(CHARACTERS.charAt(random.nextInt(CHARACTERS.length())));
        }
        return sb.toString();
    }
}