枚举类为:
public enum OrderStatusEnum implements CondeEnum{
NEW(0, "新订单"),
FINISHED(1, "完结"),
CANCLE(2, "取消"); private Integer code;
private String msg; OrderStatusEnum(Integer code, String msg) {
this.code = code;
this.msg = msg;
} public Integer getCode() {
return code;
} public String getMsg() {
return msg;
}
}
实现的接口为:
public interface CondeEnum<T> { T getCode();
}
然后实现一个工具类:
public class EnumUtil { public static <T extends CondeEnum> T getByCode(Integer code, Class<T> enumClass) {
for (T each : enumClass.getEnumConstants()) {
if (code.equals(each.getCode())) {
return each;
}
}
return null;
}
}
在实体类中直接进行赋值:
@Data
@JsonInclude(JsonInclude.Include.NON_NULL)
public class OrderDTO { private String orderId; private String buyerName; private String buyerPhone; private String buyerAddress; private String buyerOpenid; private BigDecimal orderAmount; private Integer orderStatus = OrderStatusEnum.NEW.getCode(); private Integer payStatus = PayStatusEnum.WAIT.getCode(); @JsonSerialize(using = Date2LongSerializer.class)
private LocalDateTime createTime; @JsonSerialize(using = Date2LongSerializer.class)
private LocalDateTime updateTime; private List<OrderDetail> orderDetailList; @JsonIgnore
public OrderStatusEnum getOrderStatusEnum() {
return EnumUtil.getByCode(orderStatus, OrderStatusEnum.class);
} @JsonIgnore
public PayStatusEnum getPayStatusEnum() {
return EnumUtil.getByCode(payStatus, PayStatusEnum.class);
}
}