feat(mes/roll): 新增轧辊磨削记录通用查询和报表页面

1. 新增通用查询接口，支持按轧辊ID、产线ID、时间范围筛选磨削记录
2. 重构后端列表接口，支持不传轧辊ID查询全部记录
3. 修复硬度字段类型转换问题，将未倒角转为0数值
4. 新增磨辊报表页面，支持统计分析和图表展示

klp-mes/src/main/java/com/klp/mes/roll/controller/MesRollGrindController.java

@@ -26,10 +26,17 @@ public class MesRollGrindController extends BaseController {
 
     private final IMesRollGrindService iMesRollGrindService;
 
-    /** 查询某轧辊的磨削记录列表 */
+    /** 查询磨削记录列表（不传 rollId 时返回全部，支持时间范围和产线筛选） */
     @GetMapping("/list")
-    public R<List<MesRollGrindVo>> list(@NotNull(message = "轧辊ID不能为空") @RequestParam Long rollId) {
-        return R.ok(iMesRollGrindService.listByRoll(rollId));
+    public R<List<MesRollGrindVo>> list(
+            @RequestParam(required = false) Long rollId,
+            @RequestParam(required = false) Long lineId,
+            @RequestParam(required = false) String beginTime,
+            @RequestParam(required = false) String endTime) {
+        if (rollId != null) {
+            return R.ok(iMesRollGrindService.listByRoll(rollId));
+        }
+        return R.ok(iMesRollGrindService.listByQuery(null, lineId, beginTime, endTime));
     }
 
     /** 按年份查询月度汇总 */

klp-mes/src/main/java/com/klp/mes/roll/mapper/MesRollGrindMapper.java

@@ -16,6 +16,12 @@ public interface MesRollGrindMapper extends BaseMapperPlus<MesRollGrindMapper, M
     /** 查询某轧辊全部磨削记录（按时间升序） */
     List<MesRollGrindVo> selectByRollId(@Param("rollId") Long rollId);
 
+    /** 通用查询（所有参数可选） */
+    List<MesRollGrindVo> selectList(@Param("rollId") Long rollId,
+                                    @Param("lineId") Long lineId,
+                                    @Param("beginTime") String beginTime,
+                                    @Param("endTime") String endTime);
+
     /** 按年份统计每月磨削量 { month, grindCount, totalGrindAmount } */
     List<Map<String, Object>> selectMonthlyStats(@Param("rollId") Long rollId, @Param("year") int year);
 }

klp-mes/src/main/java/com/klp/mes/roll/service/IMesRollGrindService.java

@@ -14,6 +14,9 @@ public interface IMesRollGrindService {
     /** 查询某轧辊全部磨削记录 */
     List<MesRollGrindVo> listByRoll(Long rollId);
 
+    /** 通用查询（所有参数可选） */
+    List<MesRollGrindVo> listByQuery(Long rollId, Long lineId, String beginTime, String endTime);
+
     /** 新增磨削记录，同步更新轧辊当前直径和磨削次数 */
     Long addGrind(MesRollGrindBo bo);
 

klp-mes/src/main/java/com/klp/mes/roll/service/impl/MesRollGrindServiceImpl.java

@@ -34,6 +34,11 @@ public class MesRollGrindServiceImpl implements IMesRollGrindService {
         return baseMapper.selectByRollId(rollId);
     }
 
+    @Override
+    public List<MesRollGrindVo> listByQuery(Long rollId, Long lineId, String beginTime, String endTime) {
+        return baseMapper.selectList(rollId, lineId, beginTime, endTime);
+    }
+
     @Override
     @Transactional(rollbackFor = Exception.class)
     public Long addGrind(MesRollGrindBo bo) {

klp-mes/src/main/resources/mapper/roll/MesRollGrindMapper.xml

@@ -5,12 +5,29 @@
     <select id="selectByRollId" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
         SELECT grind_id, roll_id, roll_no, grind_time, team,
                dia_before, dia_after, grind_amount, roll_shape,
-               flaw_result, hardness, operator, remark, create_time
+               flaw_result,
+               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
+               operator, remark, create_time
         FROM mes_roll_grind
         WHERE del_flag = 0 AND roll_id = #{rollId}
         ORDER BY grind_time ASC, grind_id ASC
     </select>
 
+    <select id="selectList" resultType="com.klp.mes.roll.domain.vo.MesRollGrindVo">
+        SELECT grind_id, roll_id, roll_no, grind_time, team,
+               dia_before, dia_after, grind_amount, roll_shape,
+               flaw_result,
+               CASE WHEN hardness = '未倒角' THEN 0 ELSE CAST(hardness AS DECIMAL(10,1)) END AS hardness,
+               operator, remark, create_time
+        FROM mes_roll_grind
+        WHERE del_flag = 0
+          <if test="rollId != null">AND roll_id = #{rollId}</if>
+          <if test="lineId != null">AND line_id = #{lineId}</if>
+          <if test="beginTime != null and beginTime != ''">AND grind_time &gt;= #{beginTime}</if>
+          <if test="endTime != null and endTime != ''">AND grind_time &lt;= #{endTime}</if>
+        ORDER BY grind_time ASC, grind_id ASC
+    </select>
+
     <select id="selectMonthlyStats" resultType="map">
         SELECT
             DATE_FORMAT(grind_time, '%Y-%m') AS month,