package cn.iocoder.yudao.module.system.service.dict;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.StrUtil;
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import cn.iocoder.yudao.framework.common.exception.ServiceException;
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import cn.iocoder.yudao.framework.common.pojo.PageResult;
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import cn.iocoder.yudao.framework.common.util.date.LocalDateTimeUtils;
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import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
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import cn.iocoder.yudao.module.system.controller.admin.dict.vo.type.DictTypeImportExcelVO;
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import cn.iocoder.yudao.module.system.controller.admin.dict.vo.type.DictTypeImportReqVO;
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import cn.iocoder.yudao.module.system.controller.admin.dict.vo.type.DictTypeImportRespVO;
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import cn.iocoder.yudao.module.system.controller.admin.dict.vo.type.DictTypePageReqVO;
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import cn.iocoder.yudao.module.system.controller.admin.dict.vo.type.DictTypeSaveReqVO;
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import cn.iocoder.yudao.module.system.dal.dataobject.dict.DictTypeDO;
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import cn.iocoder.yudao.module.system.dal.mysql.dict.DictTypeMapper;
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import com.google.common.annotations.VisibleForTesting;
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import jakarta.annotation.Resource;
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import org.springframework.stereotype.Service;
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import java.time.LocalDateTime;
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import java.util.ArrayList;
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import java.util.LinkedHashMap;
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import java.util.List;
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import static cn.iocoder.yudao.framework.common.exception.util.ServiceExceptionUtil.exception;
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import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.filterList;
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import static cn.iocoder.yudao.module.system.enums.ErrorCodeConstants.*;
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/**
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* 字典类型 Service 实现类
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*
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* @author 超级管理员
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*/
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@Service
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public class DictTypeServiceImpl implements DictTypeService {
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@Resource
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private DictDataService dictDataService;
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@Resource
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private DictTypeMapper dictTypeMapper;
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@Override
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public PageResult<DictTypeDO> getDictTypePage(DictTypePageReqVO pageReqVO) {
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return dictTypeMapper.selectPage(pageReqVO);
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}
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@Override
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public DictTypeDO getDictType(Long id) {
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return dictTypeMapper.selectById(id);
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}
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@Override
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public DictTypeDO getDictType(String type) {
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return dictTypeMapper.selectByType(type);
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}
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@Override
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public Long createDictType(DictTypeSaveReqVO createReqVO) {
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// 校验字典类型的名字的唯一性
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validateDictTypeNameUnique(null, createReqVO.getName());
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// 校验字典类型的类型的唯一性
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validateDictTypeUnique(null, createReqVO.getType());
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// 插入字典类型
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DictTypeDO dictType = BeanUtils.toBean(createReqVO, DictTypeDO.class);
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dictType.setDeletedTime(LocalDateTimeUtils.EMPTY); // 唯一索引，避免 null 值
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dictTypeMapper.insert(dictType);
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return dictType.getId();
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}
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@Override
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public void updateDictType(DictTypeSaveReqVO updateReqVO) {
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// 校验自己存在
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validateDictTypeExists(updateReqVO.getId());
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// 校验字典类型的名字的唯一性
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validateDictTypeNameUnique(updateReqVO.getId(), updateReqVO.getName());
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// 校验字典类型的类型的唯一性
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validateDictTypeUnique(updateReqVO.getId(), updateReqVO.getType());
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// 更新字典类型
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DictTypeDO updateObj = BeanUtils.toBean(updateReqVO, DictTypeDO.class);
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dictTypeMapper.updateById(updateObj);
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}
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@Override
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public void deleteDictType(Long id) {
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// 校验是否存在
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DictTypeDO dictType = validateDictTypeExists(id);
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// 校验是否有字典数据
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if (dictDataService.getDictDataCountByDictType(dictType.getType()) > 0) {
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throw exception(DICT_TYPE_HAS_CHILDREN);
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}
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// 删除字典类型
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dictTypeMapper.updateToDelete(id, LocalDateTime.now());
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}
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@Override
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public void deleteDictTypeList(List<Long> ids) {
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// 1. 校验是否有字典数据
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List<DictTypeDO> dictTypes = dictTypeMapper.selectByIds(ids);
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dictTypes.forEach(dictType -> {
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if (dictDataService.getDictDataCountByDictType(dictType.getType()) > 0) {
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throw exception(DICT_TYPE_HAS_CHILDREN);
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}
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});
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// 2. 批量删除字典类型
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LocalDateTime now = LocalDateTime.now();
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ids.forEach(id -> dictTypeMapper.updateToDelete(id, now));
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}
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@Override
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public List<DictTypeDO> getDictTypeList() {
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return dictTypeMapper.selectList();
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}
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@Override
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public DictTypeImportRespVO importDictTypeList(List<DictTypeImportExcelVO> importDictTypes, DictTypeImportReqVO importReqVO) {
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importDictTypes = filterList(importDictTypes, item -> StrUtil.isNotBlank(item.getType()));
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if (CollUtil.isEmpty(importDictTypes)) {
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throw exception(DICT_TYPE_IMPORT_LIST_IS_EMPTY);
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}
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DictTypeImportRespVO respVO = DictTypeImportRespVO.builder()
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.createDictTypeNames(new ArrayList<>())
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.updateDictTypeNames(new ArrayList<>())
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.failureDictTypeNames(new LinkedHashMap<>())
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.build();
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importDictTypes.forEach(importDictType -> {
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try {
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// 1. 判断是否存在（优先按字典类型编码，其次按名称）
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DictTypeDO existDictType = dictTypeMapper.selectByType(importDictType.getType());
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if (existDictType == null && StrUtil.isNotBlank(importDictType.getName())) {
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existDictType = dictTypeMapper.selectByName(importDictType.getName());
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}
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if (existDictType == null) {
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// 2.1 新增
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validateDictTypeNameUnique(null, importDictType.getName());
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validateDictTypeUnique(null, importDictType.getType());
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DictTypeDO dictType = BeanUtils.toBean(importDictType, DictTypeDO.class);
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dictType.setDeletedTime(LocalDateTimeUtils.EMPTY); // 唯一索引，避免 null 值
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dictTypeMapper.insert(dictType);
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respVO.getCreateDictTypeNames().add(importDictType.getType());
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return;
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}
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// 2.2 已存在，判断是否允许更新
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if (!importReqVO.getUpdateSupport()) {
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respVO.getFailureDictTypeNames().put(importDictType.getType(),
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StrUtil.format(DICT_TYPE_TYPE_DUPLICATE.getMsg(), importDictType.getType()));
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return;
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}
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DictTypeDO updateDictType = BeanUtils.toBean(importDictType, DictTypeDO.class)
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.setId(existDictType.getId());
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dictTypeMapper.updateById(updateDictType);
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respVO.getUpdateDictTypeNames().add(importDictType.getType());
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} catch (ServiceException ex) {
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respVO.getFailureDictTypeNames().put(importDictType.getType(), ex.getMessage());
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}
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});
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return respVO;
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}
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@VisibleForTesting
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void validateDictTypeNameUnique(Long id, String name) {
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DictTypeDO dictType = dictTypeMapper.selectByName(name);
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if (dictType == null) {
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return;
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}
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// 如果 id 为空，说明不用比较是否为相同 id 的字典类型
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if (id == null) {
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throw exception(DICT_TYPE_NAME_DUPLICATE);
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}
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if (!dictType.getId().equals(id)) {
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throw exception(DICT_TYPE_NAME_DUPLICATE);
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}
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}
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@VisibleForTesting
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void validateDictTypeUnique(Long id, String type) {
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if (StrUtil.isEmpty(type)) {
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return;
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}
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DictTypeDO dictType = dictTypeMapper.selectByType(type);
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if (dictType == null) {
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return;
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}
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// 如果 id 为空，说明不用比较是否为相同 id 的字典类型
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if (id == null) {
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throw exception(DICT_TYPE_TYPE_DUPLICATE);
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}
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if (!dictType.getId().equals(id)) {
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throw exception(DICT_TYPE_TYPE_DUPLICATE);
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}
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}
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@VisibleForTesting
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DictTypeDO validateDictTypeExists(Long id) {
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if (id == null) {
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return null;
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}
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DictTypeDO dictType = dictTypeMapper.selectById(id);
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if (dictType == null) {
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throw exception(DICT_TYPE_NOT_EXISTS);
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}
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return dictType;
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}
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}
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