fix(service): 修复空列表处理避免空指针异常

buhuazhen

2026-04-22 252766e40f844145579317509cf5136a8e6d2de4

fix(service): 修复空列表处理避免空指针异常

- 引入 CollUtil 工具简化集合非空判断
- 针对多个服务中生产订单及工艺路线子表，优化 productProcessMap 初始化逻辑
- 添加空列表检测，避免直接流转换时出现异常
- 使用 HashMap 初始化，确保后续操作安全稳定
- 统一处理提升代码健壮性和可读性

 src/main/java/com/ruoyi/production/service/impl/ProductOrderServiceImpl.java

@@ -1,5 +1,6 @@
package com.ruoyi.production.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.metadata.IPage;
@@ -23,6 +24,7 @@
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@@ -75,11 +77,14 @@
        productProcessRouteMapper.insert(productProcessRoute);
        //新增生产订单下的工艺路线子表
        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));

        }
        // 生成当前日期的前缀：年月日
        for (ProcessRouteItem processRouteItem : processRouteItems) {
            ProductProcessRouteItem productProcessRouteItem = new ProductProcessRouteItem();

 src/main/java/com/ruoyi/quality/service/impl/QualityUnqualifiedServiceImpl.java

@@ -1,6 +1,7 @@
package com.ruoyi.quality.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.metadata.IPage;
@@ -35,6 +36,7 @@
import java.math.BigDecimal;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@@ -97,11 +99,14 @@
                        //新增生产订单下的工艺路线子表
                        List<ProductProcessRouteItem> processRouteItems = productProcessRouteItemMapper.selectList(new QueryWrapper<ProductProcessRouteItem>().lambda().eq(ProductProcessRouteItem::getProductRouteId, productProcessRoute.getId()));

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

                        }
                        for (ProductProcessRouteItem processRouteItem : processRouteItems) {
                            ProductProcessRouteItem productProcessRouteItem = new ProductProcessRouteItem();
                            BeanUtils.copyProperties(processRouteItem, productProcessRouteItem);

 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());