新增 @ResponseBody 即可

    /**
     * 根據裝置號、開始時間、結束時間獲取客戶行駛軌跡
     * @param gpsId
     * @param startTime
     * @param endTime
     * @return
     * @author WangLiping
     */
    @RequestMapping(value="/select", method=RequestMethod.POST)
    @ResponseBody
    public List<TrajectoryInfo> select
 
(String gpsId, String startTime, String endTime){
        List<TrajectoryInfo> list=new ArrayList<TrajectoryInfo>();
        list=trajectoryService.select(gpsId, startTime, endTime);
        return list;
    }