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+package com.leromro.core.utils;
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+
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+import cn.hutool.core.date.DateUtil;
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+import cn.hutool.extra.spring.SpringUtil;
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+import com.google.common.hash.HashFunction;
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+import com.google.common.hash.Hashing;
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+import java.nio.charset.StandardCharsets;
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+import java.text.DateFormat;
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+import java.text.SimpleDateFormat;
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+import java.time.Duration;
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+import java.util.Date;
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+import java.util.Random;
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+
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+import com.leromro.common.exception.ServiceException;
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+import org.springframework.data.redis.core.RedisTemplate;
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+
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+public class NoUtil {
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+ private static final String ORDER_CODE = "OD";
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+ private static final String PAY_CODE = "PAY";
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+ private static final String COUPON_ORDER_CODE = "POD";
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+ private static final String PER_ORDER_CODE = "PR";
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+ private static final String RETURN_ORDER = "RT";
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+ private static final String REFUND_ORDER = "RF";
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+ private static final String ACTIVITY = "AT";
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+ private static final String PRODUCT = "SN";
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+ private static final String PARCAL = "BP";
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+ private static final String PROFIT_SHARE = "PS";
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+ private static final String TAKE_MONEY = "TX";
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+ private static final String ORG = "OR";
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+ private static final String STO = "sto";
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+ private static final String BILL = "FP";
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+ private static final String TEMPLATE_NO = "TNO";
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+ private static final String PACK_NO = "PNO";
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+ private static final String CON_NO = "DTO";
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+ private static final String CHECK_NO = "SP";
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+ private static final String ACOUNT_NO = "WA";
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+ private static final String CA_NO = "CA";
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+ private static final String BX_ORDER = "BX";
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+ private static final String REVENUE_NO = "LX";
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+ private static final String RENT_CAR_TYPE_NO = "ZC";
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+ private static final int maxLength = 12;
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+ private static final int[] r = {7, 9, 6, 2, 8, 1, 3, 0, 5, 4};
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+ private static final String ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
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+ private static final int ALPHABET_LENGTH = ALPHABET.length();
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+ private static int counter = 0;
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+
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+ private static String toCode(Integer userId) {
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+ String idStr = userId.toString();
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+ StringBuilder idsbs = new StringBuilder();
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+ for (int i = idStr.length() - 1; i >= 0; i--) {
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+ idsbs.append(r[idStr.charAt(i) - '0']);
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+ }
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+ return idsbs.append(getRandom(12 - idStr.length())).toString();
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+ }
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+
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+ private static String toAutoCode(Integer length) {
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+ return getRandom(length.intValue()) + "";
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+ }
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+
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+ private static String getDateTime() {
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+ DateFormat sdf = new SimpleDateFormat("yyMMddHHmmssSSS");
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+ return sdf.format(new Date());
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+ }
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+
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+ private static long getRandom(long n) {
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+ long min = 1;
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+ long max = 9;
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+ for (int i = 1; i < n; i++) {
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+ min *= 10;
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+ max *= 10;
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+ }
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+ long rangeLong = ((long) (new Random().nextDouble() * (max - min))) + min;
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+ return rangeLong;
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+ }
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+
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+ private static synchronized String getCode(Integer userId) {
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+ return getDateTime() + toCode(Integer.valueOf(userId == null ? 10000 : userId.intValue()));
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+ }
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+
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+ private static synchronized String getAutoCode(Integer length) {
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+ return getDateTime() + toAutoCode(length);
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+ }
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+
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+ private static synchronized String getNo(String code) {
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+ Date date = new Date();
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+ RedisTemplate<String, Object> redisTemplate = (RedisTemplate) SpringUtil.getBean("redisTemplate");
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+ Long yyyyMMddHHmmss = Long.valueOf(Long.valueOf(DateUtil.format(date, "yyyyMMddHHmmss")).longValue() * 2);
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+ String redisKey = "no:" + code + ":" + yyyyMMddHHmmss;
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+ Long increment = redisTemplate.opsForValue().increment(redisKey);
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+ if (increment.longValue() == 1) {
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+ redisTemplate.expire(redisKey, Duration.ofSeconds(1L));
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+ }
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+ String s = increment.toString();
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+ if (s.length() > 6) {
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+ throw new ServiceException("服务器繁忙,请稍后再试");
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+ }
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+ StringBuilder suffix = new StringBuilder();
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+ for (int i = s.length(); i < 6; i++) {
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+ suffix.append("0");
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+ }
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+ return code + yyyyMMddHHmmss + suffix.toString() + s;
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+ }
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+
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+ public static String getOrderNo() {
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+ return ORDER_CODE + getAutoCode(2);
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+ }
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+
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+ public static String getPayNo() {
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+ return getNo(PAY_CODE);
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+ }
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+
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+ public static String getPayRefundNo() {
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+ return getNo(REFUND_ORDER);
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+ }
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+
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+ public static String getCouponOrderNo() {
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+ return COUPON_ORDER_CODE + getAutoCode(2);
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+ }
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+
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+ public static String getOrgNo() {
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+ return ORG + getAutoCode(2);
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+ }
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+
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+ public static String getStoreNo() {
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+ return STO + getAutoCode(2);
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+ }
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+
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+ public static String getCheckNo() {
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+ return ORG + getAutoCode(2);
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+ }
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+
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+ public static String getBillSn() {
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+ return BILL + getAutoCode(2);
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+ }
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+
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+ public static String getPerOrderNo() {
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+ return PER_ORDER_CODE + getAutoCode(2);
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+ }
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+
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+ public static String getActNo(Integer userId) {
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+ return ACTIVITY + getAutoCode(2);
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+ }
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+
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+ public static String getProductNo(Integer userId) {
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+ return PRODUCT + getAutoCode(2);
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+ }
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+
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+ public static String getParcalNo(Integer userId) {
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+ return PARCAL + getAutoCode(2);
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+ }
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+
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+ public static String getProfitShareNo(Integer userId) {
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+ return PROFIT_SHARE + getAutoCode(2);
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+ }
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+
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+ public static String getTakeMoneyNo() {
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+ return TAKE_MONEY + getAutoCode(2);
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+ }
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+
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+ public static String getTemplateNo() {
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+ return TEMPLATE_NO + getAutoCode(2);
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+ }
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+
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+ public static String getCouponPackNo() {
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+ return PACK_NO + getAutoCode(2);
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+ }
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+
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+ public static String getContractActivityNo() {
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+ return "CA" + getAutoCode(2);
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+ }
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+
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+ public static String getContractNo() {
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+ return CON_NO + getAutoCode(2);
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+ }
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+
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+ public static String getAccountNo() {
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+ return ACOUNT_NO + getAutoCode(2);
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+ }
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+
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+ public static String getRefundNo() {
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+ return REFUND_ORDER + getAutoCode(2);
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+ }
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+
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+ public static String getBxNo() {
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+ return BX_ORDER + getAutoCode(2);
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+ }
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+
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+ public static String getRentCarTypeNo() {
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+ return RENT_CAR_TYPE_NO + getAutoCode(2);
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+ }
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+
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+ public static String getRevenueNO() {
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+ return REVENUE_NO + getAutoCode(2);
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+ }
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+
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+ public static String generateUniqueCode() {
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+ int index1 = (int) (Math.random() * ALPHABET_LENGTH);
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+ int index2 = (int) (Math.random() * ALPHABET_LENGTH);
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+ String letters = "" + ALPHABET.charAt(index1) + ALPHABET.charAt(index2);
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+ HashFunction murmur3_32 = Hashing.murmur3_32();
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+ StringBuilder append = new StringBuilder().append(letters);
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+ int i = counter;
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+ counter = i + 1;
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+ String hash = murmur3_32.hashString(append.append(i).toString(), StandardCharsets.UTF_8).toString();
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+ return letters + hash.substring(0, 4);
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+ }
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+}
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wangwl