规范-异常处理

@ControllerAdvice
public class WebExceptionHandler {
	@ExceptionHandler({ BizException.class })
	@ResponseStatus(HttpStatus.OK)
	public String processBizException(HttpServletRequest request, BizException e) {
		LOG.error("BizException", e);
		request.setAttribute("msg", e.getMsg());
		return "common/error";
	}
}

public enum ReturnCodeEnum {

    SUCCESS("0000","请求成功"),

    MERCHANT_ERROR("0001","商户异常"),

    ORDER_IS_NULL("0002","原始订单不存在"),

    WAITING_PAYER_CONFIRM("9995","等待客户确认"),

    WAITING("9996","请求处理中"),

    FAIL("9997","请求失败"),

    BIZ_ERROR("9998","业务异常"),

    SYSTEM_EXCEPTION("9999","系统异常");
}

/**
 * 银行设置异常类
 */
public class BankBizException extends BizException {
	private static final long serialVersionUID = 3536909333010163563L;

	/** 不存在通道分流设置 **/
	public static final int CHANNEL_FLOW_IS_NULL = 101;

	/** 请求参数异常 **/
	public static final int REQUEST_PARAM_ERRO = 102;

	/** 银行渠道配置错误 **/
	public static final int BANK_CHANNEL_ERRO = 103;
	
	/** 银行渠道错误 **/
	public static final int BANK_WAY_ERROR = 104;

	/** 子商户的银行渠道附属信息为空 **/
	public static final int BANK_SUBMERCHANT_INFO_IS_NULL = 105;
	/** 子商户的银行渠道附属信息配置错误 **/
	public static final int BANK_SUBMERCHANT_INFO_IS_ERROR = 106;
	/** 验证银行渠道传的参数不符合要求 **/
	public static final int BANK_CHANNEL_RULE_VALIDA_PARAM_ERROR = 107;
	
	/** agui 银行渠道开放时间错误 **/
	public static final int BANK_CHANNEL_DATE_ERRO = 108;
}