自动获取当前时间

@Data
@NoArgsConstructor
public class User{
private Integer id;
private String lastName;
private String email;
private Integer gender; //0：女 1：男
private Date brith;

public User(Integer id, String lastName, String email, Integer gender) {
this.id = id;
this.lastName = lastName;
this.email = email;
this.gender = gender;
//创建日期！
//获取当前时间
this.brith = new Date();
}
}