/** 获得地图上站点坐标信息 */
 @RequestMapping("/position.do")
 public void getMapInfo(HttpServletResponse response) {
   this.writeJson(response, realtimeService.getStationPosition());
 }
 @RequestMapping("/tabledata.do")
 public void getJson(HttpServletResponse response, PageInfo pager) {
   this.writeJson(response, realtimeService.getAllBaseStation2(pager));
 }