@Excel(name = "创建时间", format = "yyyy-MM-dd HH:mm:ss", width = 20)
@Column(name = "created_time", insertable = false, columnDefinition = "timestamp default current_timestamp")
@Temporal(TemporalType.TIMESTAMP)
@Generated(GenerationTime.INSERT)
@DateTimeFormat(pattern = "yyyy-MM-dd HH:mm:ss")
protected Date createdTime;
@Excel(name = "修改时间", format = "yyyy-MM-dd HH:mm:ss", width = 20)
@Column(name = "updated_time")
@org.hibernate.annotations.UpdateTimestamp
@Temporal(TemporalType.TIMESTAMP)
protected Date updatedTime;