package com.ruoyi.common.utils;
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import com.ruoyi.common.core.lang.UUID;
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/**
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* ID生成器工具类
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*
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* @author hr
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*/
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public class IdUtils
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{
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/**
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* 获取随机UUID
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*
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* @return 随机UUID
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*/
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public static String randomUUID()
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{
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return UUID.randomUUID().toString();
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}
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/**
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* 简化的UUID,去掉了横线
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*
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* @return 简化的UUID,去掉了横线
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*/
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public static String simpleUUID()
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{
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return UUID.randomUUID().toString(true);
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}
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/**
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* 获取随机UUID,使用性能更好的ThreadLocalRandom生成UUID
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*
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* @return 随机UUID
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*/
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public static String fastUUID()
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{
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return UUID.fastUUID().toString();
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}
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/**
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* 简化的UUID,去掉了横线,使用性能更好的ThreadLocalRandom生成UUID
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*
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* @return 简化的UUID,去掉了横线
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*/
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public static String fastSimpleUUID()
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{
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return UUID.fastUUID().toString(true);
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}
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/**
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* 纯数字的uuid
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*/
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public static Integer getUUIDInOrderId(){
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Integer orderId=UUID.randomUUID().toString().hashCode();
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orderId = orderId < 0 ? -orderId : orderId; //String.hashCode() 值会为空
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return orderId;
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}
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public static void main(String[] args) {
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System.out.println(getUUIDInOrderId());
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}
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}
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