According to statistics the number of regional, if not displayed as 0

// Controller layer
 / ** 
* @Description 
* Search Area The user information 
* @author luying 
* 
* / 

@RequestMapping (value = "/ toShiCountPage") 
@ResponseBody 
public ModelAndView toShiCountPage (CID Integer) { 
    ModelAndView Music Videos new new ModelAndView = ( "ADMIN / tosignup / toShiCountPage"); 
// query to the number of all the municipal statistics 
   the Map <String, Object> areaPersonMap = toSignUpService.areaPersonNum (cid); 
   mv.addObject ( "cid", cid); 
   mv.addObject ( "areaPersonMap", areaPersonMap); 
    return Music Videos; 
}

// service layer
 / ** 
* @Description 
* 
* The statistics for the number of persons area 
* @author luying 
* 
* / 
public the Map <String, Object> areaPersonNum (CID Integer) { 
    List <ApplyParticipants> areaNum = null; 
    the Map = new new mapArea HashMap <> (); 
 
    mapArea.put ( "Guilin", "0"); 
    mapArea.put ( "Beihai", "0"); 
    mapArea.put ( "Wuzhou", "0"); 
    mapArea. put ( "Guigang", "0"); 
    mapArea.put ( "Yulin", "0"); 
    mapArea.put ( "Hechi", "0"); 
    mapArea.put ( "Baise City," " 0 "); 
    mapArea.put (" Qinzhou "," 0 "); 
    mapArea.put (" Chongzuo, ""0 "); 
    mapArea.put (" Liuzhou "," 0 "); 
    mapArea.put (" Hezhou "," 0 "); 
    mapArea.put (" Fangchenggang City "," 0 "); 
    mapArea.put ( "Laibin", "0");
    try {
        areaNum=participantsMapper.countArea(cid);
        for(ApplyParticipants applyParticipants:areaNum){
            mapArea.put(applyParticipants.getArea(),applyParticipants.getNum());
        }

    } catch (Exception e) {
        e.printStackTrace();
    }
    return mapArea;
}