feat(wms): 新增根据计划ID获取可选钢卷列表接口

- 在IWmsDeliveryPlanService中新增getSelectableCoilsByPlanId方法
- 在WmsDeliveryPlanController中新增/selectableCoils GET接口
- 实现获取计划绑定钢卷但未被使用的钢卷列表逻辑
- 通过关联查询排除已被运单明细占用的钢卷
- 支持按钢卷ID集合查询完整钢卷信息
- 添加必要的空值检查和参数校验

klp-wms/src/main/java/com/klp/controller/WmsDeliveryPlanController.java

@@ -128,4 +128,15 @@ public class WmsDeliveryPlanController extends BaseController {
     }
 
 
+    /**
+     * 根据计划ID获取可选钢卷列表：计划绑定钢卷 - 明细已绑定钢卷
+     * @param planId 计划ID
+     */
+    @GetMapping("/selectableCoils")
+    public R<List<WmsMaterialCoilVo>> getSelectableCoils(@RequestParam @NotNull(message = "planId不能为空") Long planId) {
+        List<WmsMaterialCoilVo> list = iWmsDeliveryPlanService.getSelectableCoilsByPlanId(planId);
+        return R.ok(list);
+    }
+
+
 }

klp-wms/src/main/java/com/klp/service/IWmsDeliveryPlanService.java

@@ -60,4 +60,7 @@ public interface IWmsDeliveryPlanService {
      * 获取发货报表统计信息（包含汇总和按类型统计）
      */
     WmsDeliveryReportResultVo getDeliveryReport(Date startTime, Date endTime);
+
+    List<WmsMaterialCoilVo> getSelectableCoilsByPlanId(Long planId);
+
 }

klp-wms/src/main/java/com/klp/service/impl/WmsDeliveryPlanServiceImpl.java

@@ -5,12 +5,17 @@ import com.klp.common.core.domain.entity.SysUser;
 import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.core.toolkit.Wrappers;
 import com.klp.common.utils.StringUtils;
 import com.klp.domain.WmsMaterialCoil;
+import com.klp.domain.WmsDeliveryWaybill;
+import com.klp.domain.WmsDeliveryWaybillDetail;
 import com.klp.domain.vo.*;
 import com.klp.mapper.WmsMaterialCoilMapper;
+import com.klp.mapper.WmsDeliveryWaybillMapper;
+import com.klp.mapper.WmsDeliveryWaybillDetailMapper;
 import com.klp.system.service.ISysUserService;
 import lombok.RequiredArgsConstructor;
 import org.springframework.stereotype.Service;
@@ -38,6 +43,10 @@ public class WmsDeliveryPlanServiceImpl implements IWmsDeliveryPlanService {
 
     private final WmsMaterialCoilMapper coilMapper;
 
+    private final WmsDeliveryWaybillMapper waybillMapper;
+
+    private final WmsDeliveryWaybillDetailMapper waybillDetailMapper;
+
     /**
      * 查询发货计划
      */
@@ -169,4 +178,58 @@ public class WmsDeliveryPlanServiceImpl implements IWmsDeliveryPlanService {
         return result;
     }
 
+    @Override
+    public List<WmsMaterialCoilVo> getSelectableCoilsByPlanId(Long planId) {
+        if (planId == null) {
+            return Collections.emptyList();
+        }
+        WmsDeliveryPlanVo planVo = baseMapper.selectVoById(planId);
+        if (planVo == null || StringUtils.isBlank(planVo.getCoil())) {
+            return Collections.emptyList();
+        }
+        Set<Long> planCoilIds = Arrays.stream(planVo.getCoil().split(","))
+            .map(String::trim)
+            .filter(StringUtils::isNotBlank)
+            .map(Long::valueOf)
+            .collect(Collectors.toSet());
+
+        if (planCoilIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+
+        List<WmsDeliveryWaybill> waybills = waybillMapper.selectList(
+            Wrappers.<WmsDeliveryWaybill>lambdaQuery().eq(WmsDeliveryWaybill::getPlanId, planId)
+        );
+        if (waybills == null || waybills.isEmpty()) {
+            return queryCoilsByIds(planCoilIds);
+        }
+        Set<Long> waybillIds = waybills.stream().map(WmsDeliveryWaybill::getWaybillId).collect(Collectors.toSet());
+        if (waybillIds.isEmpty()) {
+            return queryCoilsByIds(planCoilIds);
+        }
+        List<WmsDeliveryWaybillDetail> details = waybillDetailMapper.selectList(
+            Wrappers.<WmsDeliveryWaybillDetail>lambdaQuery().in(WmsDeliveryWaybillDetail::getWaybillId, waybillIds)
+        );
+        Set<Long> usedCoilIds = details == null ? Collections.emptySet() : details.stream()
+            .map(WmsDeliveryWaybillDetail::getCoilId)
+            .filter(Objects::nonNull)
+            .collect(Collectors.toSet());
+
+        planCoilIds.removeAll(usedCoilIds);
+        if (planCoilIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+        return queryCoilsByIds(planCoilIds);
+    }
+
+    private List<WmsMaterialCoilVo> queryCoilsByIds(Set<Long> coilIds) {
+        if (coilIds == null || coilIds.isEmpty()) {
+            return Collections.emptyList();
+        }
+        QueryWrapper<WmsMaterialCoil> qw = new QueryWrapper<>();
+        qw.lambda().in(WmsMaterialCoil::getCoilId, coilIds);
+        // 使用动态联查以返回更完整的钢卷信息
+        return coilMapper.selectVoListWithDynamicJoin(qw);
+    }
+
 }