最全的树

public class SiteColumnClientController
{

    @Resource
    private SiteColumnServiceImpl columnService;

    private ObjectNode columnToObjectNode(QmSiteColumn column)
    {

        ObjectNode jsonNode = JacksonUtil.createObjectNode();
        jsonNode.put("columnId", column.getQmColumnId());
        jsonNode.put("columnCode", column.getQmColumnCode());
        jsonNode.put("parentCode", column.getQmParentCode());
        jsonNode.put("columnTitle", column.getQmColumnTitle());
        jsonNode.put("sequence", column.getQmSequence());
        jsonNode.put("columnType", column.getQmColumnType());
        jsonNode.put("columnUrl", column.getQmColumnUrl());
        jsonNode.put("defaultIconId", column.getQmDefaultIconId());
        jsonNode.put("selectedIconId", column.getQmSelectedIconId());
        jsonNode.put("defaultIconUrl", column.getQmDefaultIconUrl());
        jsonNode.put("selectedIconUrl", column.getQmSelectedIconUrl());
        return jsonNode;
    }

    /**
     * 查询栏目导航
     *
     * @param siteId
     * @param parentCode
     * @return
     */
    @RequestMapping(value = "/Columns", method = RequestMethod.GET)
    public Response initNavigation(
            @TokenParameter String siteId,
            String parentCode)
    {


        ArrayNode arrayNode = getColumnNode(siteId, parentCode);
        return new Response(Response.SUCCESS, arrayNode);
    }
    /**
     * 递归获取栏目树
     *
     * @return
     */
    private ArrayNode getColumnNode(String siteId,
            String parentCode)
    {
        List<QmSiteColumn> columnSonList = columnService
                .findColumnSonListByParentCode(siteId, parentCode);
        ArrayNode arrayNode = JacksonUtil.createArrayNode();
        if (columnSonList != null)
        {

            for (QmSiteColumn col : columnSonList)
            {
                ObjectNode sonNode = columnToObjectNode(col);
                sonNode.set("children", getColumnNode(siteId, col.getQmColumnCode()));
                arrayNode.add(sonNode);
            }
        }
        return arrayNode;
    }


}