获取城市信息接口

yudao-module-ecw/yudao-module-ecw-impl/src/main/java/cn/iocoder/yudao/module/ecw/controller/admin/region/RegionController.java

@@ -208,4 +208,13 @@ public class RegionController {
         return pNode;
     }
 
+    @GetMapping("/getCityListByParent")
+    @ApiOperation("根据父节点获取城市列表")
+    public CommonResult<List<RegionRespVO>> getCityListByParent(@RequestParam("id") Long parentId) {
+        if (parentId == null) {
+            return CommonResult.success(Collections.emptyList());
+        }
+        List<RegionDO> cityList = regionService.getCityListByParentId(parentId);
+        return success(RegionConvert.INSTANCE.convertList(cityList));
+    }
 }

yudao-module-ecw/yudao-module-ecw-impl/src/main/java/cn/iocoder/yudao/module/ecw/dal/mysql/region/RegionMapper.java

@@ -102,4 +102,5 @@ public interface RegionMapper extends BaseMapperX<RegionDO> {
     List<RegionDO> getImportExportCountryList();
 
 
+    List<RegionDO> getCityListByParentId(@Param("parentId") Long parentId);
 }

yudao-module-ecw/yudao-module-ecw-impl/src/main/java/cn/iocoder/yudao/module/ecw/service/region/RegionService.java

@@ -90,5 +90,5 @@ public interface RegionService {
 
     List<RegionDO> getImportExportCountryList();
 
-
+    List<RegionDO> getCityListByParentId(Long parentId);
 }

yudao-module-ecw/yudao-module-ecw-impl/src/main/java/cn/iocoder/yudao/module/ecw/service/region/RegionServiceImpl.java

@@ -144,4 +144,9 @@ public class RegionServiceImpl implements RegionService {
     public List<RegionDO> getImportExportCountryList() {
         return regionMapper.getImportExportCountryList();
     }
+
+    @Override
+    public List<RegionDO> getCityListByParentId(Long parentId) {
+        return regionMapper.getCityListByParentId(parentId);
+    }
 }

yudao-module-ecw/yudao-module-ecw-impl/src/main/resources/mapper/region/RegionMapper.xml

@@ -68,4 +68,13 @@
           and b.status = 0
           and b.type in (1, 3)
     </select>
+    <select id="getCityListByParentId" resultType="cn.iocoder.yudao.module.ecw.dal.dataobject.region.RegionDO">
+        select b.* from ecw_region a
+        left join ecw_region b on a.id = b.parent_id
+        where a.parent_id = #{parentId}
+        AND a.deleted = 0
+        and b.deleted = 0
+        and a.status = 0
+        and b.status = 0
+    </select>
 </mapper>