表结构

查出list后，用工具类转换。工具类代码如下：

下面展示一些 内联代码片。

public static List<JSONObject> toTreeList(List tList, String oidkey, Stripspidkey) 
List<JSONObject> jsonObjectList = JSONArray. parseArray (JSON. toJSONString(tLIst), JSONobjHass)List<JSONObject) treeList = new ArrayListO:if (json0bjectList != null && json0bjectList.sizeO !=o) 1Iterator var5 = jsonObjectList. iteratorO:while(var5. hasNext 0) {JSONObject obj = (SONObject)var5.nextO;String pidValue = obj. getString(pidKey):if(!isTreeDotExist(json0bjectList, oidKey, pidvalue))fJSONOb ject tTreeEntity = getTreeDotByT(json0bjectList, obj, oidKey, pidKey).treelist. add(tTreeBntity);return treelist,

查询结果如图：