package com.ltkj.tduck.utils;
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import cn.hutool.core.util.RandomUtil;
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import lombok.experimental.UtilityClass;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 短Id工具类
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*/
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@UtilityClass
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public class ShortIdUtils {
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/**
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* 默认随机字母表，使用URL安全的Base64字符
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*/
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private static final char[] DEFAULT_ALPHABET = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ".toCharArray();
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/**
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* 生成8位长度Id
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*
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* @return
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*/
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public String genId() {
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// return NanoId.randomNanoId(null, DEFAULT_ALPHABET, 8);
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return RandomUtil.randomString(8);
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}
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public static void main(String[] args) {
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Map<Object, Object> of = new HashMap<>();
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for (int i = 0; i < 100000 ;i++) {
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String s = genId();
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Object put = of.put(s, "1");
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if (null != put) {
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System.out.println(s);
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}
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}
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}
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}
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