/** * 生成唯一FBA货箱号 * @return */ private String buildUniqueFbaBoxNo() { SimpleDateFormat format_template = new SimpleDateFormat("yyMMdd"); // 生成13位FBA货箱号,并检测其唯一性,随机数范围:1000~9999 String uniqueFbaBoxNo = "FBA" + format_template.format(new Date()) + (int) (Math.random() * 9000 + 1000); // 检测该货箱号是否存在,不存在直接返回生成的uniqueFbaBoxNo AbroadShelfBox abroadShelfBox = abroadShelfBoxService.getAbroadShelfBoxByBoxNo(uniqueFbaBoxNo); if (abroadShelfBox == null) { return uniqueFbaBoxNo; } else { return buildUniqueFbaBoxNo(); } } /** * 调用服务生成自动增长的货箱号序列 * * @param generalStatusService * @return */ private String buildUniqueFbaBoxNo(GeneralStatusService generalStatusService) { SimpleDateFormat format_template = new SimpleDateFormat("yyMMdd"); // FBA货箱号前缀 String box_no_prefix = "FBA" + format_template.format(new Date()); // 完整货箱号 String box_no_full = ""; Map<String, Object> generalStatuMap = generalStatusService.fetchByKey(box_no_prefix); // 将Map集合转换成对象 GeneralStatus generalStatus = generalStatusService.mapToGeneralStatus(generalStatuMap); Map<String, Object> updateGeneralStatusMap = new HashMap<String, Object>(); if (generalStatus == null) { updateGeneralStatusMap.put("statusKey", box_no_prefix); updateGeneralStatusMap.put("value", "0001"); // 根据Key查找不存在,则创建 Dumper.dump(generalStatusService.create(updateGeneralStatusMap));// 执行创建操作 box_no_full = box_no_prefix + "0001"; } else { String generalstatus_value = generalStatus.getValue() == null ? "6666" : generalStatus.getValue(); Integer index_value = Integer.valueOf(generalstatus_value); Integer new_index_value = index_value + 1; String new_value = ""; // ------------------------------------------------------------------------------------------设置货箱最后四位序列号 if (index_value >= 1 && index_value < 10) { box_no_full = box_no_prefix + "000" + index_value; } else if (index_value >= 10 && index_value < 100) { box_no_full = box_no_prefix + "00" + index_value; } else if (index_value >= 100 && index_value < 1000) { box_no_full = box_no_prefix + "0" + index_value; } else if (index_value >= 1000 && index_value < 10000) { box_no_full = box_no_prefix + index_value; } else { box_no_full = box_no_prefix + (int) (Math.random() * 9000 + 1000); } // ------------------------------------------------------------------------------------------更新最后四位序列索引 if (new_index_value >= 1 && new_index_value < 10) { new_value = "000" + new_index_value; } else if (new_index_value >= 10 && new_index_value < 100) { new_value = "00" + new_index_value; } else if (new_index_value >= 100 && new_index_value < 1000) { new_value = "0" + new_index_value; } else if (new_index_value >= 1000 && new_index_value < 10000) { new_value = String.valueOf(new_index_value); } else { new_value = String.valueOf((int) (Math.random() * 9000 + 1000)); } updateGeneralStatusMap.put("id", generalStatus.getId()); updateGeneralStatusMap.put("statusKey", box_no_prefix);// statusKey存储类似FBA+161010 updateGeneralStatusMap.put("value", new_value);// value值,再之前基础上+1 Dumper.dump(generalStatusService.update(updateGeneralStatusMap));// 执行更新操作 } // 检测该货箱号是否存在,不存在直接返回生成的uniqueFbaBoxNo AbroadShelfBox abroadShelfBox = abroadShelfBoxService.getAbroadShelfBoxByBoxNo(box_no_full); if (abroadShelfBox == null) { return box_no_full; } else { return buildUniqueFbaBoxNo(generalStatusService); } }
转载于:https://www.cnblogs.com/zhc-hnust/p/5947272.html
相关资源：数据结构—成绩单生成器