MyBatis接收数据库中没有的字段的解决

SELECT
    sum(
        updatetime > date_sub(now(), INTERVAL 0.5 DAY)
    ) AS online,
    sum(updatetime IS NULL) nodata,
    count(1) - sum(
        updatetime > date_sub(now(), INTERVAL 0.5 DAY)
    ) - sum(updatetime IS NULL) AS offline
,COUNT(1)
FROM
    cx_onecdata
WHERE
    kdgs = '顺丰'
AND cartype LIKE '%gps%'

public class Sfcar {
    private Integer online;
    private Integer nodata;
    private Integer offline;
    public Integer getOnline() {
        return online;
    }
    public void setOnline(Integer online) {
        this.online = online;
    }
    public Integer getNodata() {
        return nodata;
    }
    public void setNodata(Integer nodata) {
        this.nodata = nodata;
    }
    public Integer getOffline() {
        return offline;
    }
    public void setOffline(Integer offline) {
        this.offline = offline;
    }

    <!--  GPS 车辆统计  -->
  <select id="findbySFCarGPS" resultMap="BaseResultMap">
    SELECT
        sum(
            updatetime &gt; date_sub(now(), INTERVAL 0.5 DAY)
        ) AS online,
            sum(updatetime IS NULL) nodata,
            count(1) - sum(
                updatetime &gt; date_sub(now(), INTERVAL 0.5 DAY)
            ) - sum(updatetime IS NULL) AS offline
        FROM
            cx_onecdata
        WHERE
            kdgs = '顺丰'
        AND cartype LIKE '%gps%'
  </select>

        List<String> legend = new ArrayList<String>();
        List<Map> serisData=new ArrayList<Map>();
        List<TreeMap<String,Integer>> data = car_Service.selectCarTypeCount();
        int count = 0;
        List<String> car_typename= new ArrayList<String>();
        List<String> car_typevalue = new ArrayList<String>();
        //      Map<String,String> mapdata= new HashMap<>();
        //  遍历以Key - Value 形式遍历
        for (Map<String, Integer> map : data){ 
            Map tarMap =new HashMap();
            for (Map.Entry<String, Integer> k : map.entrySet()){ 
                count++;
                if (count % 2 == 0) {
                    car_typename.add(k.getValue()+"");
                }else{
                    car_typevalue.add(k.getValue()+"");
                }
            } 
            for (int i = 0; i < car_typename.size(); i++) {
                // 获取 List 中的 String 数组元素。
                String cartype_name = car_typename.get(i);
                String cartype_value = car_typevalue.get(i);
                //              mapdata.put(cartype_name, cartype_value);
                if (i== car_typename.size()-1) {
                    legend.add(cartype_name);
                    tarMap.put("value", cartype_value);
                    tarMap.put("name", cartype_name);
                    serisData.add(tarMap);
                }
            }
        }
        // 纵坐标
        List<SeriesVO> series = new ArrayList<>();
        series.add(new SeriesVO("总数比较", "pie",serisData));
        EchartDataVO targetdata = new EchartDataVO(legend,null, series);
        // 获取 目标数据 JSON 格式
        return targetdata;