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a9156e07f4
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master
| Author | SHA1 | Date | |
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| 25dd7a5eb4 | |||
| 430921a16c | |||
| 77f9feb1a1 |
@ -14,9 +14,6 @@ public class RequestRange {
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/** 结束值 */
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private long end;
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/** 范围长度 */
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private long length;
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/**
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* 创建请求范围
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*
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@ -12,7 +12,7 @@ import org.apache.ibatis.annotations.UpdateProvider;
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import java.util.List;
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/**
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* 基本 SQL 映射,子接口可以不实现
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* 基本 SQL 映射
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*
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* @param <T> 实体类型
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* @param <P> 主键类型
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@ -36,15 +36,15 @@ public interface BaseMapper<T, P> {
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DESC
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}
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/** 当前时间戳毫秒 */
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String UNIX_TIME = " FLOOR(UNIX_TIMESTAMP(NOW(3)) * 1000) ";
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/** 未删除条件 */
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String NOT_DELETE = " AND `deleted_at` IS NULL ";
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String NOT_DELETE = " AND (`deleted_at` IS NULL OR " + UNIX_TIME + " < `deleted_at`) ";
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/** 限制一条 */
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String LIMIT_1 = " LIMIT 1";
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/** 当前时间戳毫秒 */
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String UNIX_TIME = " FLOOR(UNIX_TIMESTAMP(NOW(3)) * 1000) ";
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/** 分页限制 */
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String PAGE = NOT_DELETE + " LIMIT #{offset}, #{limit}";
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@ -88,7 +88,7 @@ public interface BaseMapper<T, P> {
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List<T> selectAll();
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/**
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* 创建数据。默认自增主键为 id,如需修改请重写此接口
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* 创建数据
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*
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* @param t 数据对象
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*/
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52
src/main/java/com/imyeyu/spring/mapper/RawMapper.java
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52
src/main/java/com/imyeyu/spring/mapper/RawMapper.java
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@ -0,0 +1,52 @@
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package com.imyeyu.spring.mapper;
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import com.imyeyu.spring.util.RawSQLProvider;
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import org.apache.ibatis.annotations.SelectProvider;
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import java.util.List;
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/**
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* 原始 SQL 映射
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*
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* @param <T> 实体类型
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* @param <P> 主键类型
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* @author 夜雨
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* @since 2026-01-05 12:58
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*/
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public interface RawMapper<T, P> {
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/**
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* 查询全部数据
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*
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* @return 数据列表
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*/
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@SelectProvider(type = RawSQLProvider.class, method = "selectAll")
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List<T> selectAllRaw();
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/**
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* 根据 ID 获取对象
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*
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* @param id 索引
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* @return 数据对象
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*/
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@SelectProvider(type = RawSQLProvider.class, method = "select")
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T selectRaw(P id);
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/**
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* 根据示例查询单条数据
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*
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* @param t 示例对象
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* @return 数据对象
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*/
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@SelectProvider(type = RawSQLProvider.class, method = "selectByExample")
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T selectByExampleRaw(T t);
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/**
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* 根据示例查询全部数据
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*
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* @param t 示例对象
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* @return 数据列表
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*/
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@SelectProvider(type = RawSQLProvider.class, method = "selectAllByExample")
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List<T> selectAllByExampleRaw(T t);
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}
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49
src/main/java/com/imyeyu/spring/util/RawSQLProvider.java
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49
src/main/java/com/imyeyu/spring/util/RawSQLProvider.java
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@ -0,0 +1,49 @@
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package com.imyeyu.spring.util;
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import com.imyeyu.java.bean.timi.TimiException;
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import com.imyeyu.spring.mapper.BaseMapper;
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import org.apache.ibatis.builder.annotation.ProviderContext;
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import java.util.stream.Collectors;
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/**
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* 原始 Mapper SQL 代理器
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*
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* @author 夜雨
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* @since 2026-01-05 13:00
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*/
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public class RawSQLProvider extends SQLProvider {
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@Override
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public String selectAll(ProviderContext context) {
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EntityMeta meta = getEntityMeta(context);
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return "SELECT * FROM %s WHERE 1 = 1".formatted(meta.table);
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}
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@Override
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public String select(ProviderContext context, Object id) {
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EntityMeta meta = getEntityMeta(context);
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TimiException.required(meta.idFieldColumn, "not found id field in %s".formatted(meta.entityClass));
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return "SELECT %s FROM `%s` WHERE `%s` = #{%s}".formatted(meta.selectAllClause, meta.table, meta.idFieldColumn.columnName, id) + " LIMIT 1";
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}
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@Override
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public String selectByExample(Object entity) {
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return selectAllByExample(entity) + BaseMapper.LIMIT_1;
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}
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@Override
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public String selectAllByExample(Object entity) {
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EntityMeta meta = getEntityMeta(entity.getClass());
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String conditionClause = meta.fieldColumnList.stream()
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.filter(fc -> fc.isNotEmpty(entity))
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.map(fc -> "`%s` = #{%s}".formatted(fc.columnName, fc.fieldName))
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.collect(Collectors.joining(" AND "));
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return "SELECT %s FROM `%s` WHERE %s".formatted(meta.selectAllClause, meta.table, conditionClause);
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}
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@Override
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public String deleteAllByExample(Object entity) {
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return super.deleteAllByExample(entity);
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}
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}
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