feat(purchase): 碳立方对接

liyong

2026-01-29 e6eb127b2ef4f297b093dcd9a5b47be457f67043

 ruoyi-system/src/main/java/com/ruoyi/basic/service/impl/ProvinceServiceImpl.java

@@ -16,6 +16,8 @@

import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * <p>
@@ -41,17 +43,54 @@
    @Override
    public List<TreeSelectOption> getAreaOptions() {
        List<TreeSelectOption> res = new ArrayList<>();
        List<Province> list = provinceMapper.selectList(null);
        for (Province province : list) {
            // 查询省下面的市
            List<City> cityList = cityMapper.selectList(new LambdaQueryWrapper<City>().eq(City::getProvinceId, province.getId()));

        // 批量查询所有省份
        List<Province> provinces = provinceMapper.selectList(null);
        if (provinces.isEmpty()) {
            return res;
        }

        // 获取所有省份ID用于批量查询城市
        List<Long> provinceIds = provinces.stream()
                .map(Province::getId)
                .collect(Collectors.toList());

        // 批量查询所有城市
        List<City> allCities = cityMapper.selectList(
                new LambdaQueryWrapper<City>().in(City::getProvinceId, provinceIds));

        // 将城市按省份ID分组
        Map<Long, List<City>> cityMap = allCities.stream()
                .collect(Collectors.groupingBy(City::getProvinceId));

        // 获取所有城市ID用于批量查询区域
        List<Long> cityIds = allCities.stream()
                .map(City::getId)
                .collect(Collectors.toList());

        // 批量查询所有区域
        List<District> allDistricts = districtMapper.selectList(
                new LambdaQueryWrapper<District>().in(District::getCityId, cityIds));

        // 将区域按城市ID分组
        Map<Long, List<District>> districtMap = allDistricts.stream()
                .collect(Collectors.groupingBy(District::getCityId));

        // 构建树形结构
        for (Province province : provinces) {
            List<TreeSelectOption> cities = new ArrayList<>();

            List<City> cityList = cityMap.get(province.getId());
            if (cityList != null && !cityList.isEmpty()) {
            for (City city : cityList) {
                // 查询市下面的区
                List<District> districtList = districtMapper.selectList(new LambdaQueryWrapper<District>().eq(District::getCityId, city.getId()));
                List<TreeSelectOption> districts = new ArrayList<>();

                    List<District> districtList = districtMap.get(city.getId());
                    if (districtList != null && !districtList.isEmpty()) {
                for (District district : districtList) {
                    districts.add(new TreeSelectOption(district.getId().toString(), district.getName(), district.getId(), null));
                            districts.add(new TreeSelectOption(district.getId().toString(),
                                    district.getName(), district.getId(), null));
                        }
                }

                TreeSelectOption cityTreeSelectOption = new TreeSelectOption();
@@ -61,6 +100,7 @@
                cityTreeSelectOption.setChildren(districts);

                cities.add(cityTreeSelectOption);
                }
            }

            TreeSelectOption treeSelectOption = new TreeSelectOption();
@@ -74,6 +114,7 @@
        return res;
    }


    @Override
    public String getAreaDisplay(Long provinceId, Long cityId, Long districtId) {
        Province province = provinceMapper.selectById(provinceId);