| | |
| | | import java.util.Collection; |
| | | import java.util.List; |
| | | import java.util.Map; |
| | | import java.util.function.Function; |
| | | import java.util.stream.Collectors; |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * 根据 ID 查询 |
| | | * |
| | | * @param id 主键ID |
| | | * @param convertor 转换函数 |
| | | * @param <K> vo类型 |
| | | */ |
| | | default <K> K getVoById(Serializable id, Function<T, K> convertor) { |
| | | T t = getBaseMapper().selectById(id); |
| | | return convertor.apply(t); |
| | | } |
| | | |
| | | /** |
| | | * 查询(根据ID 批量查询) |
| | | * |
| | | * @param kClass vo类型 |
| | |
| | | return list.stream() |
| | | .map(any -> BeanUtil.toBean(any, kClass)) |
| | | .collect(Collectors.toList()); |
| | | } |
| | | |
| | | /** |
| | | * 查询(根据ID 批量查询) |
| | | * |
| | | * @param convertor 转换函数 |
| | | * @param idList 主键ID列表 |
| | | */ |
| | | default <K> List<K> listVoByIds(Collection<? extends Serializable> idList, |
| | | Function<Collection<T>, List<K>> convertor) { |
| | | List<T> list = getBaseMapper().selectBatchIds(idList); |
| | | if (list == null) { |
| | | return null; |
| | | } |
| | | return convertor.apply(list); |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * 查询(根据 columnMap 条件) |
| | | * |
| | | * @param convertor 转换函数 |
| | | * @param columnMap 表字段 map 对象 |
| | | */ |
| | | default <K> List<K> listVoByMap(Map<String, Object> columnMap, |
| | | Function<Collection<T>, List<K>> convertor) { |
| | | List<T> list = getBaseMapper().selectByMap(columnMap); |
| | | if (list == null) { |
| | | return null; |
| | | } |
| | | return convertor.apply(list); |
| | | } |
| | | |
| | | /** |
| | | * 根据 Wrapper,查询一条记录 <br/> |
| | | * <p>结果集,如果是多个会抛出异常,随机取一条加上限制条件 wrapper.last("LIMIT 1")</p> |
| | | * |
| | |
| | | */ |
| | | default <K> K getVoOne(Wrapper<T> queryWrapper, Class<K> kClass) { |
| | | return BeanUtil.toBean(getOne(queryWrapper, true), kClass); |
| | | } |
| | | |
| | | /** |
| | | * 根据 Wrapper,查询一条记录 <br/> |
| | | * <p>结果集,如果是多个会抛出异常,随机取一条加上限制条件 wrapper.last("LIMIT 1")</p> |
| | | * |
| | | * @param convertor 转换函数 |
| | | * @param queryWrapper 实体对象封装操作类 {@link com.baomidou.mybatisplus.core.conditions.query.QueryWrapper} |
| | | */ |
| | | default <K> K getVoOne(Wrapper<T> queryWrapper, Function<T, K> convertor) { |
| | | return convertor.apply(getOne(queryWrapper, true)); |
| | | } |
| | | |
| | | /** |
| | |
| | | } |
| | | |
| | | /** |
| | | * 查询列表 |
| | | * |
| | | * @param convertor 转换函数 |
| | | * @param queryWrapper 实体对象封装操作类 {@link com.baomidou.mybatisplus.core.conditions.query.QueryWrapper} |
| | | */ |
| | | default <K> List<K> listVo(Wrapper<T> queryWrapper, Function<Collection<T>, List<K>> convertor) { |
| | | List<T> list = getBaseMapper().selectList(queryWrapper); |
| | | if (list == null) { |
| | | return null; |
| | | } |
| | | return convertor.apply(list); |
| | | } |
| | | |
| | | /** |
| | | * 查询所有 |
| | | * |
| | | * @param kClass vo类型 |
| | |
| | | } |
| | | |
| | | /** |
| | | * 查询所有 |
| | | * |
| | | * @param convertor 转换函数 |
| | | * @see Wrappers#emptyWrapper() |
| | | */ |
| | | default <K> List<K> listVo(Function<Collection<T>, List<K>> convertor) { |
| | | return listVo(Wrappers.emptyWrapper(), convertor); |
| | | } |
| | | |
| | | /** |
| | | * 翻页查询 |
| | | * |
| | | * @param page 翻页对象 |
| | |
| | | * @param kClass vo类型 |
| | | */ |
| | | default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Wrapper<T> queryWrapper, Class<K> kClass) { |
| | | PagePlus<T, K> e = getBaseMapper().selectPage(page, queryWrapper); |
| | | page.recordsToVo(kClass); |
| | | return page; |
| | | PagePlus<T, K> result = getBaseMapper().selectPage(page, queryWrapper); |
| | | List<K> volist = result.getRecords().stream() |
| | | .map(any -> BeanUtil.toBean(any, kClass)) |
| | | .collect(Collectors.toList()); |
| | | result.setRecordsVo(volist); |
| | | return result; |
| | | } |
| | | |
| | | /** |
| | | * 翻页查询 |
| | | * |
| | | * @param page 翻页对象 |
| | | * @param queryWrapper 实体对象封装操作类 |
| | | * @param convertor 转换函数 |
| | | */ |
| | | default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Wrapper<T> queryWrapper, |
| | | Function<Collection<T>, List<K>> convertor) { |
| | | PagePlus<T, K> result = getBaseMapper().selectPage(page, queryWrapper); |
| | | return result.setRecordsVo(convertor.apply(result.getRecords())); |
| | | } |
| | | |
| | | /** |
| | |
| | | return pageVo(page, Wrappers.emptyWrapper(), kClass); |
| | | } |
| | | |
| | | /** |
| | | * 无条件翻页查询 |
| | | * |
| | | * @param page 翻页对象 |
| | | * @param convertor 转换函数 |
| | | */ |
| | | default <K> PagePlus<T, K> pageVo(PagePlus<T, K> page, Function<Collection<T>, List<K>> convertor) { |
| | | return pageVo(page, Wrappers.emptyWrapper(), convertor); |
| | | } |
| | | |
| | | } |
| | | |