快速解决code唯一码(java)的简便方法

public String next() { long appBootTimes = systemVariableService.getAppBootTimes(); return Long.toString(appBootTimes * 10000000000000000l + seq.incrementAndGet(), Character.MAX_RADIX);}

public String nextNo() {  return Long.toString(seq.incrementAndGet());}　

public String nextTradeNo() {  return "T" + LocalDate.now().format(DateTimeFormatter.ofPattern("uuuuMMdd")) + next(); }　　

public String nextFileName(String suffix) {  return LocalDate.now().format(DateTimeFormatter.ofPattern("uuuuMMdd")) + "/" + UUID.randomUUID() + (StringUtils.isNotBlank(suffix) ? ("." + suffix) : ""); }

public String nextPurchaseNo(){  return "PO"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getPurchaseNumbers("PO"); }　

public String nextSalesNo(){  System.out.println(systemVariableService.getSalesNumbers("SO"));  return "SO"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getSalesNumbers("SO"); }　

public String nextReceiptNo(){  return "SI"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getReceiptNumbers("SI"); }　

public String nextLoadingListNo(){  return "LL"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getLoadingListNumbers("LL"); }　

public String nextDeliverNo(){  return "DL"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getDeliverNumbers("DL"); }　

public String nextOtherInNo(){  return "OI"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getOtherInNumbers("OI"); }

public String nextOtherOutNo(){  return "OO"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.getOtherOutNumbers("OO"); }　

public String nextPromotionNo(){  return "HD"+LocalDate.now().format(DateTimeFormatter.ofPattern("yyyyMMdd")) + "-" + systemVariableService.nextPromotionNo("HD"); }　　

public String nextBalanceFeeNo() {  return "FT" + systemVariableService.getBalanceFeeNumbers(); }