feat(cost): 新增生产月报复制功能，修复考勤校验参数问题，优化表格列操作

klp-cost/src/main/java/com/klp/cost/controller/CostProdReportController.java

@@ -96,4 +96,16 @@ public class CostProdReportController extends BaseController {
                           @PathVariable Long[] reportIds) {
         return toAjax(iCostProdReportService.deleteWithValidByIds(Arrays.asList(reportIds), true));
     }
+
+    /**
+     * 复制生产月报
+     * 明细列原样保留，指标列重新插入并更新config中的id引用
+     */
+    @Log(title = "生产月报", businessType = BusinessType.INSERT)
+    @RepeatSubmit()
+    @PostMapping("/copy/{sourceId}")
+    public R<CostProdReportVo> copy(@NotNull(message = "源报表ID不能为空") @PathVariable Long sourceId,
+                                     @RequestBody CostProdReportBo bo) {
+        return R.ok(iCostProdReportService.copyReport(sourceId, bo));
+    }
 }

klp-cost/src/main/java/com/klp/cost/service/ICostProdReportService.java

@@ -46,4 +46,9 @@ public interface ICostProdReportService {
      * 校验并批量删除生产月报信息
      */
     Boolean deleteWithValidByIds(Collection<Long> ids, Boolean isValid);
+
+    /**
+     * 复制生产月报（明细列原样保留，指标列重新插入并更新config中的id引用）
+     */
+    CostProdReportVo copyReport(Long sourceId, CostProdReportBo bo);
 }

klp-cost/src/main/java/com/klp/cost/service/impl/CostProdReportServiceImpl.java

@@ -1,6 +1,9 @@
 package com.klp.cost.service.impl;
 
 import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.json.JSONArray;
+import cn.hutool.json.JSONObject;
+import cn.hutool.json.JSONUtil;
 import com.klp.common.core.page.TableDataInfo;
 import com.klp.common.core.domain.PageQuery;
 import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
@@ -12,7 +15,9 @@ import org.springframework.stereotype.Service;
 import com.klp.cost.domain.bo.CostProdReportBo;
 import com.klp.cost.domain.vo.CostProdReportVo;
 import com.klp.cost.domain.CostProdReport;
+import com.klp.cost.domain.CostProdMetric;
 import com.klp.cost.mapper.CostProdReportMapper;
+import com.klp.cost.mapper.CostProdMetricMapper;
 import com.klp.cost.service.ICostProdReportService;
 
 import java.util.List;
@@ -30,6 +35,7 @@ import java.util.Collection;
 public class CostProdReportServiceImpl implements ICostProdReportService {
 
     private final CostProdReportMapper baseMapper;
+    private final CostProdMetricMapper metricMapper;
 
     /**
      * 查询生产月报
@@ -110,4 +116,58 @@ public class CostProdReportServiceImpl implements ICostProdReportService {
         }
         return baseMapper.deleteBatchIds(ids) > 0;
     }
+
+    /**
+     * 复制生产月报
+     * 明细列原样保留（itemId不变），指标列重新插入并更新config中的id引用
+     */
+    @Override
+    public CostProdReportVo copyReport(Long sourceId, CostProdReportBo bo) {
+        CostProdReport source = baseMapper.selectById(sourceId);
+        if (source == null) {
+            throw new RuntimeException("源报表不存在");
+        }
+
+        // 创建新报表，先插入以获取ID
+        CostProdReport newRp = new CostProdReport();
+        BeanUtil.copyProperties(source, newRp, "reportId", "colConfig");
+        newRp.setReportTitle(bo.getReportTitle() != null ? bo.getReportTitle() : source.getReportTitle() + "-副本");
+        if (bo.getReportDate() != null) newRp.setReportDate(bo.getReportDate());
+        if (bo.getLineType() != null) newRp.setLineType(bo.getLineType());
+        if (bo.getInputWeight() != null) newRp.setInputWeight(bo.getInputWeight());
+        if (bo.getOutputWeight() != null) newRp.setOutputWeight(bo.getOutputWeight());
+        if (bo.getRemark() != null) newRp.setRemark(bo.getRemark());
+        baseMapper.insert(newRp);
+        Long newRid = newRp.getReportId();
+
+        // 处理colConfig：为每个指标列重新插入metric记录，更新id引用
+        String colConfig = source.getColConfig();
+        if (StringUtils.isNotBlank(colConfig)) {
+            JSONObject cfg = JSONUtil.parseObj(colConfig);
+            JSONArray columns = cfg.getJSONArray("columns");
+            if (columns != null && columns.size() > 0) {
+                for (int i = 0; i < columns.size(); i++) {
+                    JSONObject col = columns.getJSONObject(i);
+                    if ("m".equals(col.getStr("t"))) {
+                        String idStr = col.getStr("id");
+                        Long oldMetricId = idStr != null ? Long.parseLong(idStr) : null;
+                        if (oldMetricId != null) {
+                            CostProdMetric srcMetric = metricMapper.selectById(oldMetricId);
+                            if (srcMetric != null) {
+                                CostProdMetric newMetric = new CostProdMetric();
+                                BeanUtil.copyProperties(srcMetric, newMetric, "metricId", "reportId");
+                                newMetric.setReportId(newRid);
+                                metricMapper.insert(newMetric);
+                                col.set("id", String.valueOf(newMetric.getMetricId()));
+                            }
+                        }
+                    }
+                }
+                newRp.setColConfig(cfg.toString());
+            }
+            baseMapper.updateById(newRp);
+        }
+
+        return baseMapper.selectVoById(newRid);
+    }
 }