记一次组装层级对象，全国省份

最新推荐文章于 2024-12-29 00:14:52 发布

梦想零落成诗～

最新推荐文章于 2024-12-29 00:14:52 发布

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@GetMapping("/getAll")
    public Result<List<RegionCityModel>> getAll(){
        //获取所有省份名称
        List<RegionCityModel> allCityModels = regionService.selectList(null);
        List<RegionCityModel> firstCityModels = regionService.selectList(Wrappers.lambdaQuery(RegionCityModel.builder().build())
                .eq(RegionCityModel::getLevel,1));
        Map<Integer, List<RegionCityModel>> collect = allCityModels.stream()
                .collect(Collectors.groupingBy(x -> x.getPid()));

        for (RegionCityModel regionCityModel:firstCityModels) {
            Integer id = Integer.parseInt(regionCityModel.getId());
            List<RegionCityModel> regionCityModels1 = collect.get(id);
            if (ObjectUtil.isEmpty(regionCityModels1)){
                continue;
            }
            for (RegionCityModel cityModel : regionCityModels1) {
                Integer id1 = Integer.parseInt(cityModel.getId());
                List<RegionCityModel> regionCityModels11 = collect.get(id1);
                cityModel.setChildren(regionCityModels11);
            }
            regionCityModel.setChildren(regionCityModels1);
//            List<RegionCityModel> allget1 = new ArrayList<>();
//            secondCityModels.forEach(y -> {
//                Integer pid = y.getPid();
//                int i = Integer.parseInt(regionCityModel.getId());
//                if (y.getPid() == Integer.parseInt(regionCityModel.getId())){
//                    allget1.add(y);
//                    //regionCityModel.setRegionCityVoSecond(addSecondCity);
//                }
//            });
//            regionCityModel.setChildrens(allget1);
            //allget.add(regionCityModel);
        }
        return Result.of(()->firstCityModels);
    }

{
    "code": 1,
    "data": [
        {
            "id": "110000",
            "deleted": 0,
            "deleteTime": null,
            "name": "北京",
            "pid": 100000,
            "sname": "北京",
            "level": 1,
            "cityCode": "",
            "yzCode": "",
            "merName": "中国,北京",
            "pinyin": "Beijing",
            "children": [
                {
                    "id": "110100",
                    "deleted": 0,
                    "deleteTime": null,
                    "name": "北京市",
                    "pid": 110000,
                    "sname": "北京",
                    "level": 2,
                    "cityCode": "010",
                    "yzCode": "100000",
                    "merName": "中国,北京,北京市",
                    "pinyin": "Beijing",
                    "children": [
                        {
                            "id": "110101",
                            "deleted": 0,
                            "deleteTime": null,
                            "name": "东城区",
                            "pid": 110100,
                            "sname": "东城",
                            "level": 3,
                            "cityCode": "010",
                            "yzCode": "100010",
                            "merName": "中国,北京,北京市,东城区",
                            "pinyin": "Dongcheng",
                            "children": [],
                            "lat": 39.9316,
                            "lng": 116.41
                        },
                        {
                            "id": "110102",
                            "deleted": 0,
                            "deleteTime": null,
                            "name": "西城区",
                            "pid": 110100,
                            "sname": "西城",
                            "level": 3,
                            "cityCode": "010",
                            "yzCode": "100032",
                            "merName": "中国,北京,北京市,西城区",
                            "pinyin": "Xicheng",
                            "children": [],
                            "lat": 39.9305,
                            "lng": 116.36
                        },