系统字典添加 获取树形结构的方法

epmet-admin/epmet-admin-server/src/main/java/com/epmet/controller/SysDictDataController.java

@@ -10,6 +10,7 @@ package com.epmet.controller;
 
 import com.epmet.commons.tools.dto.form.DictListFormDTO;
 import com.epmet.commons.tools.dto.result.DictListResultDTO;
+import com.epmet.commons.tools.dto.result.DictTreeResultDTO;
 import com.epmet.commons.tools.dto.result.OptionResultDTO;
 import com.epmet.commons.tools.page.PageData;
 import com.epmet.commons.tools.utils.Result;
@@ -150,6 +151,15 @@ public class SysDictDataController {
         return new Result<List<DictListResultDTO>>().ok(sysDictDataService.dictList(formDTO.getDictType()));
     }
 
+    /**
+     * @Description 字典数据查询通用接口
+     * @Author sun
+     */
+    @PostMapping("dictTree/{dictType}")
+    public Result<List<DictTreeResultDTO>> dictListTree(@PathVariable("dictType") String dictType) {
+        return new Result<List<DictTreeResultDTO>>().ok(sysDictDataService.dictListTree(dictType));
+    }
+
     /**
      * 字典数据查询通用接口
      * @Param dictType

epmet-admin/epmet-admin-server/src/main/java/com/epmet/dao/SysDictDataDao.java

@@ -10,6 +10,7 @@ package com.epmet.dao;
 
 import com.epmet.commons.mybatis.dao.BaseDao;
 import com.epmet.commons.tools.dto.result.DictListResultDTO;
+import com.epmet.commons.tools.dto.result.DictTreeResultDTO;
 import com.epmet.entity.DictData;
 import com.epmet.entity.SysDictDataEntity;
 import org.apache.ibatis.annotations.Mapper;
@@ -30,4 +31,6 @@ public interface SysDictDataDao extends BaseDao<SysDictDataEntity> {
     List<DictData> getDictDataList();
 
     List<DictListResultDTO> selectDictList(String dictType);
+
+    List<DictTreeResultDTO> selectDictData(String dictType);
 }

epmet-admin/epmet-admin-server/src/main/java/com/epmet/service/SysDictDataService.java

@@ -10,6 +10,7 @@ package com.epmet.service;
 
 import com.epmet.commons.mybatis.service.BaseService;
 import com.epmet.commons.tools.dto.result.DictListResultDTO;
+import com.epmet.commons.tools.dto.result.DictTreeResultDTO;
 import com.epmet.commons.tools.dto.result.OptionResultDTO;
 import com.epmet.commons.tools.page.PageData;
 import com.epmet.dto.SysDictDataDTO;
@@ -87,4 +88,6 @@ public interface SysDictDataService extends BaseService<SysDictDataEntity> {
 
 
     Map<String, String> dictMap(String dictType);
+
+    List<DictTreeResultDTO> dictListTree(String dictType);
 }

epmet-admin/epmet-admin-server/src/main/java/com/epmet/service/impl/SysDictDataServiceImpl.java

@@ -13,9 +13,11 @@ import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.core.metadata.IPage;
 import com.epmet.commons.mybatis.service.impl.BaseServiceImpl;
 import com.epmet.commons.tools.dto.result.DictListResultDTO;
+import com.epmet.commons.tools.dto.result.DictTreeResultDTO;
 import com.epmet.commons.tools.dto.result.OptionResultDTO;
 import com.epmet.commons.tools.page.PageData;
 import com.epmet.commons.tools.utils.ConvertUtils;
+import com.epmet.commons.tools.utils.TreeUtils;
 import com.epmet.dao.SysDictDataDao;
 import com.epmet.dto.SysDictDataDTO;
 import com.epmet.entity.SysDictDataEntity;
@@ -217,4 +219,10 @@ public class SysDictDataServiceImpl extends BaseServiceImpl<SysDictDataDao, SysD
         return resultDTOList.stream().collect(Collectors.toMap(DictListResultDTO::getValue, DictListResultDTO::getLabel));
     }
 
+    @Override
+    public List<DictTreeResultDTO> dictListTree(String dictType) {
+        List<DictTreeResultDTO> resultDTOList = baseDao.selectDictData(dictType);
+        return TreeUtils.buildTree(resultDTOList);
+    }
+
 }

epmet-admin/epmet-admin-server/src/main/resources/mapper/SysDictDataDao.xml

@@ -19,5 +19,19 @@
         ORDER BY
             a.sort ASC
     </select>
+    <select id="selectDictData" resultType="com.epmet.commons.tools.dto.result.DictTreeResultDTO">
+        SELECT
+            a.dict_value id,
+            a.dict_p_value pid,
+            a.dict_label label,
+            a.dict_value `value`
+        FROM
+            sys_dict_data a
+        INNER JOIN sys_dict_type b ON a.dict_type_id = b.id
+        WHERE
+            b.dict_type = #{dictType}
+        ORDER BY
+            a.sort asc
+    </select>
 
 </mapper>

epmet-commons/epmet-commons-tools/src/main/java/com/epmet/commons/tools/dto/result/DictTreeResultDTO.java

@@ -0,0 +1,17 @@
+package com.epmet.commons.tools.dto.result;
+
+import com.epmet.commons.tools.utils.TreeStringNode;
+import lombok.Data;
+
+import java.io.Serializable;
+
+/**
+ * @Description  字典数据查询-接口返参
+ * @Author sun
+ */
+@Data
+public class DictTreeResultDTO extends TreeStringNode<DictTreeResultDTO> implements Serializable {
+    private static final long serialVersionUID = 3772355047088964759L;
+    private String label;
+    private String value;
+}