Java 在hibernate.hbm.xml中定义时间戳_Java_Mysql_Hibernate_Timestamp_Nhibernate Configuration

Java 在hibernate.hbm.xml中定义时间戳

java mysql hibernate

Java 在hibernate.hbm.xml中定义时间戳,java,mysql,hibernate,timestamp,nhibernate-configuration,Java,Mysql,Hibernate,Timestamp,Nhibernate Configuration,我想用Hibernate映射一个虚拟表，你能帮我在dummy.hbm.xml type=timestamp，Default=CURRENT\u timestamp，extra=on update CURRENT\u timestamp 我应该在java类中定义哪种类型的变量描述假人 +------------+--------------+------+-----+-------------------+-----------------------------+ | Field |

我想用Hibernate映射一个虚拟表，你能帮我在

dummy.hbm.xml

type=timestamp，Default=CURRENT\u timestamp，extra=on update CURRENT\u timestamp

我应该在java类中定义哪种类型的变量

描述假人

+------------+--------------+------+-----+-------------------+-----------------------------+
| Field      | Type         | Null | Key | Default           | Extra                       |
+------------+--------------+------+-----+-------------------+-----------------------------+
| timestamp  | timestamp    | NO   |     | CURRENT_TIMESTAMP | on update CURRENT_TIMESTAMP |
+------------+--------------+------+-----+-------------------+-----------------------------+