add 查询树形字典

jero-boot-module-system/src/main/java/com/jero/modules/system/controller/SysDictItemController.java

@@ -3,12 +3,28 @@ package com.jero.modules.system.controller;
 
 import java.util.Arrays;
 import java.util.Date;
+import java.util.List;
 import java.util.Map;
 
 import javax.servlet.http.HttpServletRequest;
 
+import cn.hutool.core.bean.BeanUtil;
+import cn.hutool.core.lang.tree.Tree;
+import cn.hutool.core.lang.tree.TreeNodeConfig;
+import cn.hutool.core.lang.tree.TreeUtil;
+import cn.hutool.core.map.MapUtil;
+import cn.hutool.core.util.ObjectUtil;
+import com.alibaba.fastjson.JSON;
+import com.alibaba.fastjson.JSONArray;
+import com.alibaba.fastjson.JSONObject;
+import com.alibaba.fastjson.parser.ParserConfig;
+import com.alibaba.fastjson.serializer.SerializerFeature;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.jero.common.api.vo.Result;
+import com.jero.common.constant.enums.LanguageEnum;
+import com.jero.common.util.MessageUtils;
+import com.jero.modules.system.util.TreeUtils;
+import io.swagger.annotations.ApiOperation;
 import org.apache.commons.lang3.StringUtils;
 import org.apache.poi.ss.formula.functions.T;
 import org.apache.shiro.authz.annotation.RequiresPermissions;
@@ -50,6 +66,7 @@ public class SysDictItemController {
 	 * @param req
 	 * @return
 	 */
+	@ApiOperation(value = "查询字典内容列表")
 	@GetMapping("/page")
 	public Result<IPage<SysDictItem>> queryPageList(SysDictItem sysDictItem, @RequestParam(name="pageNo", defaultValue="1") Integer pageNo,
                                                     @RequestParam(name="pageSize", defaultValue="10") Integer pageSize, HttpServletRequest req) {
@@ -63,6 +80,42 @@ public class SysDictItemController {
 		return result;
 	}
 
+	/**
+	 * @功能：查询字典数据树形列表
+	 * @param sysDictItem
+	 * @param req
+	 * @return
+	 */
+	@ApiOperation(value = "查询字典内容树形列表")
+	@GetMapping("/treeList")
+	public Result<JSONArray> queryTreeList(SysDictItem sysDictItem,
+													HttpServletRequest req) {
+		QueryWrapper<SysDictItem> queryWrapper = QueryGenerator.initQueryWrapper(sysDictItem, req.getParameterMap());
+		List<SysDictItem> sysDictItems = sysDictItemService.list(queryWrapper);
+		//配置
+		TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
+		// 自定义属性名 都要默认值的
+		treeNodeConfig.setWeightKey("sortOrder");
+		treeNodeConfig.setIdKey("id");
+		// 最大递归深度
+		treeNodeConfig.setDeep(-1);
+		//转换器
+		List<Tree<String>> treeNodes = TreeUtil.build(sysDictItems, "0", treeNodeConfig,
+				(treeNode, tree) -> {
+					tree.setId(treeNode.getId());
+					tree.setParentId(treeNode.getParentId());
+					tree.setWeight(treeNode.getSortOrder());
+					tree.setName(treeNode.getItemText());
+					// 扩展属性 ...
+					Map<String, Object> map = BeanUtil.beanToMap(treeNode);
+					for (String s : map.keySet()) {
+						tree.putExtra(s, map.get(s));
+					}
+				});
+		JSONArray jsonArray = JSONArray.parseArray(JSON.toJSONString(treeNodes,SerializerFeature.WriteMapNullValue));
+		return Result.OK(jsonArray);
+	}
+
 	/**
 	 * @功能：新增
 	 * @return

jero-boot-module-system/src/main/java/com/jero/modules/system/entity/SysDictItem.java

@@ -39,6 +39,10 @@ public class SysDictItem implements Serializable {
      * 字典id
      */
     private String dictId;
+    /**
+     * 父级id
+     */
+    private String parentId;
 
     /**
      * 字典项文本