spring boot全局統一異常處理

自定義異常

/**
 * 自定義異常
 * @author Holley
 * @create 2018-05-24 14:39
 **/
public class SelectNoFindException extends RuntimeException{
    /**
     * 異常代碼
     */
    private Integer code;
    /**
     * 自定義錯誤信息
     */
    private String erromessage;

    public SelectNoFindException(String erromessage ,String message){
        super(message);
        this.erromessage = erromessage;
    }

    public Integer getCode() {
        return code;
    }
    public String getErromessage() {
        return erromessage;
    }
    public void setCode(Integer code) {
        this.code = code;
    }
    public void setErromessage(String erromessage) {
        this.erromessage = erromessage;
    }

}

serviceimpl層代碼

public List<Saler> listSalerContact(Long cid) {
        List<Saler> listSaler = null;
        try {
            listSaler = salerDAO.listSalerContact(cid);
        }catch (Exception e){
            e.printStackTrace();
            throw new  SelectNoFindException("獲取訂貨商列表失敗！！",e.getMessage());
        }
        return listSaler;
    }

全局統一異常處理代碼

/**
 * 全局統一異常處理
 * @author Holley
 * @create 2018-05-24 14:59
 **/
@RestControllerAdvice
public class GlobalExceptionHandler {
    private final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    @ExceptionHandler(value = Exception.class)
    public Response handler(Exception e){
        Response r = new Response();
        if (e instanceof SelectNoFindException){
            SelectNoFindException selectNoFindException = (SelectNoFindException) e;
            r.setMessage(selectNoFindException.getErromessage());
            r.setCode(WhiteListConstant.RESPONSE_CODE_FAIL);
            log.error(selectNoFindException.getMessage());
            return r;
        } else {
            r.setCode(WhiteListConstant.RESPONSE_CODE_FAIL);
            r.setMessage("系統錯誤");
            log.error(e.getMessage());
            return r;
        }
    }
}