数据编码服务中新增序列号生成逻辑
新增序列号生成服务，支持三种不同的编码规则： 1. 日期+递增数字（年月日或年月）。 2. 随机生成的8位序列号，包含大写字母和数字。 3. 默认规则，自增序列号。 实现具有不同前缀和后缀的序列号生成，包括年月日或年月作为前缀，校验位作为后缀。
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lijiaqi
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778ea6a1f1
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6409d8a578
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@ -47,10 +47,10 @@ public class Code extends BaseEntity {
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private String snCode;
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@Schema(description = "无人机序列号前缀")
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private String snPrefix;
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private Long snPrefix;
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@Schema(description = "无人机序列号后缀")
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private String snSuffix;
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private Long snSuffix;
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@Schema(description = "无人机序列号长度")
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private String snLength;
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@ -1,11 +1,16 @@
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package cn.workde.module.drone.coding.service;
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import cn.hutool.core.date.DateUtil;
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import cn.hutool.core.util.ObjUtil;
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import cn.workde.core.base.BaseService;
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import com.baomidou.mybatisplus.extension.service.IService;
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import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
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import cn.workde.module.drone.coding.mapper.CodeMapper;
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import cn.workde.core.exception.ResultException;
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import cn.workde.module.drone.coding.entity.Code;
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import cn.workde.module.drone.coding.mapper.CodeMapper;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.security.SecureRandom;
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/**
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* 无人机编码表(Code)表服务实现类
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@ -15,6 +20,208 @@ import org.springframework.stereotype.Service;
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*/
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@Service("codeService")
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public class CodeService extends BaseService<CodeMapper, Code>{
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private static final String UPPER_CASE_LETTERS = "ABCDEFGHJKLMNPQRSTUVWXYZ";
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private static final String NUMBERS = "0123456789";
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private static final String VALID_CHARS = UPPER_CASE_LETTERS + NUMBERS;
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private static final SecureRandom random = new SecureRandom();
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public static String generateSNCode(int totalLength, int upperCaseCount, int numberCount) {
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if (totalLength < upperCaseCount + numberCount) {
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throw new IllegalArgumentException("Total length must be greater than or equal to the sum of upperCaseCount and numberCount.");
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}
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StringBuilder snCode = new StringBuilder();
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// 添加指定数量的大写字母
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for (int i = 0; i < upperCaseCount; i++) {
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snCode.append(UPPER_CASE_LETTERS.charAt(random.nextInt(UPPER_CASE_LETTERS.length())));
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}
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// 添加指定数量的数字
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for (int i = 0; i < numberCount; i++) {
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snCode.append(NUMBERS.charAt(random.nextInt(NUMBERS.length())));
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}
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// 添加剩余的字符，可以是大写字母或数字
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for (int i = 0; i < totalLength - upperCaseCount - numberCount; i++) {
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snCode.append(VALID_CHARS.charAt(random.nextInt(VALID_CHARS.length())));
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}
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// 打乱整个SN码以增加随机性
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for (int i = snCode.length() - 1; i > 0; i--) {
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int index = random.nextInt(i + 1);
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char a = snCode.charAt(index);
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snCode.setCharAt(index, snCode.charAt(i));
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snCode.setCharAt(i, a);
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}
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return snCode.toString();
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}
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public static void main(String[] args) {
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// 示例：生成一个总长度为12的SN码，包含5个大写字母和3个数字
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String snCode = generateSNCode(12, 5, 6);
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System.out.println("Generated SN Code: " + snCode);
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}
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@Transactional(rollbackFor = Exception.class)
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public synchronized void generateCode(String batchesId, String batchesCode, String mfcId, String mfcCode, String ruleId, String ruleCode, Integer count) {
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switch (ruleCode) {
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// 序列号 年月日+6位递增数字
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case "001":
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generateCode001(batchesId, batchesCode, mfcId, mfcCode, ruleId, ruleCode, count);
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break;
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// 序列号 年月+6位递增数字
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case "002":
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generateCode002(batchesId, batchesCode, mfcId, mfcCode, ruleId, ruleCode, count);
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break;
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// 序列号 8位随机数（除大写字母“O”和“I”的数字(0~9)、大写字母(A~Z)及其组合组成
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case "003":
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generateCode003(batchesId, batchesCode, mfcId, mfcCode, ruleId, ruleCode, count);
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break;
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default:
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throw new ResultException("规则待开发 请联系管理员");
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}
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}
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@Transactional(rollbackFor = Exception.class)
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public synchronized void generateCode001(String batchesId, String batchesCode, String mfcId, String mfcCode, String ruleId, String ruleCode, Integer count) {
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try {
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int i = 0;
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do {
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// 获取年月日
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String date = DateUtil.format(DateUtil.date(), "yyyyMMdd");
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//转换成long
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long dateLong = Long.parseLong(date);
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// 初始值 如果当天为创建序列号的话，则最大值设置为1
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long maxCode = 1;
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// 序列号
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String snCode = "";
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// 获取数据库最大值
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Code one = getOne(new QueryWrapper<Code>()
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.lambda()
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.select(Code::getSnSuffix)
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.eq(Code::getSnPrefix, dateLong)
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.orderByDesc(Code::getSnSuffix)
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.last("limit 1")
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);
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if (ObjUtil.isNotNull(one)) {
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// one.getSnSuffix()超过6位数
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if (one.getSnSuffix() >= 999999) {
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throw new ResultException("超过最大值");
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}
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// 年月日+6位递增数字
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snCode = date + String.format("%06d", one.getSnSuffix() + 1);
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} else {
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// 当天还未创建序列号
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snCode = date + String.format("%06d", maxCode);
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}
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Code code = new Code();
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code.setBatchesId(batchesId);
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code.setBatchesCode(batchesCode);
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code.setMfcId(mfcId);
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code.setMfcCode(mfcCode);
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code.setRuleId(ruleId);
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code.setRuleCode(ruleCode);
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code.setSnCode(snCode);
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code.setSnPrefix(dateLong);
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code.setSnSuffix(one.getSnSuffix() + 1);
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code.setSnLength("E");
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code.setCode(mfcCode + "E" + snCode);
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boolean flag = save(code);
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if (!flag) throw new ResultException("生成失败");
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i++;
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} while (i < count);
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} catch (Exception e) {
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throw new ResultException(e.getMessage());
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}
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}
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@Transactional(rollbackFor = Exception.class)
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public synchronized void generateCode002(String batchesId, String batchesCode, String mfcId, String mfcCode, String ruleId, String ruleCode, Integer count) {
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try {
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int i = 0;
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do {
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// 获取年月
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String date = DateUtil.format(DateUtil.date(), "yyyyMM");
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//转换成long
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long dateLong = Long.parseLong(date);
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// 初始值 如果当天为创建序列号的话，则最大值设置为1
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long maxCode = 1;
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// 序列号
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String snCode = "";
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// 获取数据库最大值
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Code one = getOne(new QueryWrapper<Code>()
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.lambda()
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.select(Code::getSnSuffix)
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.eq(Code::getSnPrefix, dateLong)
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.orderByDesc(Code::getSnSuffix)
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.last("limit 1")
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);
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if (ObjUtil.isNotNull(one)) {
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// one.getSnSuffix()超过6位数
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if (one.getSnSuffix() >= 999999) {
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throw new ResultException("超过最大值");
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}
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// 年月日+6位递增数字
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snCode = date + String.format("%06d", one.getSnSuffix() + 1);
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} else {
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// 当天还未创建序列号
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snCode = date + String.format("%06d", maxCode);
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}
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Code code = new Code();
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code.setBatchesId(batchesId);
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code.setBatchesCode(batchesCode);
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code.setMfcId(mfcId);
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code.setMfcCode(mfcCode);
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code.setRuleId(ruleId);
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code.setRuleCode(ruleCode);
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code.setSnCode(snCode);
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code.setSnPrefix(dateLong);
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code.setSnSuffix(one.getSnSuffix() + 1);
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code.setSnLength("C");
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code.setCode(mfcCode + "C" + snCode);
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boolean flag = save(code);
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if (!flag) throw new ResultException("生成失败");
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i++;
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} while (i < count);
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} catch (Exception e) {
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throw new ResultException(e.getMessage());
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}
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}
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@Transactional(rollbackFor = Exception.class)
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public synchronized void generateCode003(String batchesId, String batchesCode, String mfcId, String mfcCode, String ruleId, String ruleCode, Integer count) {
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try {
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int i = 0;
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do {
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String snCode = generateSNCode(8, 5, 3);
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long counted = count(new QueryWrapper<Code>()
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.lambda()
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.eq(Code::getSnCode, snCode)
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);
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if (counted > 0) continue;
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Code code = new Code();
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code.setBatchesId(batchesId);
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code.setBatchesCode(batchesCode);
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code.setMfcId(mfcId);
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code.setMfcCode(mfcCode);
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code.setRuleId(ruleId);
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code.setRuleCode(ruleCode);
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code.setSnCode(snCode);
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code.setSnPrefix(null);
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code.setSnSuffix(null);
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code.setSnLength("8");
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code.setCode(mfcCode + "8" + snCode);
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boolean flag = save(code);
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if (!flag) throw new ResultException("生成失败");
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i++;
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} while (i < count);
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} catch (Exception e) {
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throw new ResultException(e.getMessage());
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}
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}
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}
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