package com.ruoyi.web.controller.tool;
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import java.util.Random;
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public class RandomStringGenerator {
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private static final String CHARACTERS = "abcdefghijklmnopqrstuvwxyz0123456789";
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public static String generateRandomString(int length) {
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StringBuilder sb = new StringBuilder(length);
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Random random = new Random();
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for (int i = 0; i < length; i++) {
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sb.append(CHARACTERS.charAt(random.nextInt(CHARACTERS.length())));
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}
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return sb.toString();
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}
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}
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