fix(service): 修复空列表处理避免空指针异常

buhuazhen

2026-04-22 252766e40f844145579317509cf5136a8e6d2de4

 src/main/java/com/ruoyi/sales/service/impl/SalesLedgerProductServiceImpl.java

@@ -1,5 +1,6 @@
package com.ruoyi.sales.service.impl;

import cn.hutool.core.collection.CollUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
@@ -286,11 +287,14 @@
            //新增生产订单工艺路线子表
            List<ProcessRouteItem> processRouteItems = processRouteItemMapper.selectList(new QueryWrapper<ProcessRouteItem>().lambda().eq(ProcessRouteItem::getRouteId, processRoute.getId()));

            Map<Long, ProductProcess> productProcessMap = productProcessService
                    .list(new LambdaQueryWrapper<ProductProcess>().in(ProductProcess::getId, processRouteItems.stream().map(ProcessRouteItem::getProcessId).collect(Collectors.toList())))
                    .stream()
                    .collect(Collectors.toMap(ProductProcess::getId, productProcess -> productProcess));
            Map<Long, ProductProcess> productProcessMap = new HashMap<>();
            if(CollUtil.isNotEmpty(processRouteItems)){
                productProcessMap = productProcessService
                        .list(new LambdaQueryWrapper<ProductProcess>().in(ProductProcess::getId, processRouteItems.stream().map(ProcessRouteItem::getProcessId).collect(Collectors.toList())))
                        .stream()
                        .collect(Collectors.toMap(ProductProcess::getId, productProcess -> productProcess));

            }
            for (ProcessRouteItem processRouteItem : processRouteItems) {
                ProductProcessRouteItem productProcessRouteItem = new ProductProcessRouteItem();
                productProcessRouteItem.setProductModelId(processRouteItem.getProductModelId());