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Mysql里的日期类型 和JPA里@Temporal

發布時間:2025/7/25 46 豆豆
生活随笔 收集整理的這篇文章主要介紹了 Mysql里的日期类型 和JPA里@Temporal 小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

1.date類型

2.time類型

3.datetime類型

1.date

@Temporal(TemporalType.DATE)
private Date birthday;

mysql> desc person;
+----------+--------------+------+-----+---------+----------------+
| Field??? | Type???????? | Null | Key | Default | Extra????????? |
+----------+--------------+------+-----+---------+----------------+
| id?????? | int(11)????? | NO?? | PRI | NULL??? | auto_increment |
| birthday | date???????? | YES? |???? | NULL??? |??????????????? |
| name???? | varchar(255) | YES? |???? | NULL??? |??????????????? |
+----------+--------------+------+-----+---------+----------------+
3 rows in set (0.01 sec)

mysql> select * from person
+----+------------+-------+
| id | birthday?? | name? |
+----+------------+-------+
|? 1 | 2012-01-03 | tazi2 |
+----+------------+-------+
1 row in set (0.02 sec)

2.

@Temporal(TemporalType.TIME)
private Date birthday;

mysql> desc person;
+----------+--------------+------+-----+---------+----------------+
| Field??? | Type???????? | Null | Key | Default | Extra????????? |
+----------+--------------+------+-----+---------+----------------+
| id?????? | int(11)????? | NO?? | PRI | NULL??? | auto_increment |
| birthday | time ??????? | YES? |???? | NULL??? |??????????????? |
| name???? | varchar(255) | YES? |???? | NULL??? |??????????????? |
+----------+--------------+------+-----+---------+----------------+
3 rows in set (0.00 sec)

mysql> select * from person;
+----+----------+-------+
| id | birthday | name? |
+----+----------+-------+
|? 1 | 16:01:14 | tazi2 |
+----+----------+-------+
1 row in set (0.00 sec)

3.datetime

@Temporal(TemporalType.TIMESTAMP)
private Date birthday;

mysql> desc person;
+----------+--------------+------+-----+---------+----------------+
| Field??? | Type???????? | Null | Key | Default | Extra????????? |
+----------+--------------+------+-----+---------+----------------+
| id?????? | int(11)????? | NO?? | PRI | NULL??? | auto_increment |
| birthday | datetime? ?? | YES? |???? | NULL??? |??????????????? |
| name???? | varchar(255) | YES? |???? | NULL??? |??????????????? |
+----------+--------------+------+-----+---------+----------------+
3 rows in set (0.02 sec)

mysql> select * from person;
+----+---------------------+-------+
| id | birthday??????????? | name? |
+----+---------------------+-------+
|? 1 | 2012-01-03 16:05:00 | tazi2 |
+----+---------------------+-------+
1 row in set (0.03 sec)

分別表示不同的時間精度

轉載于:https://www.cnblogs.com/tazi/archive/2012/01/04/2311584.html

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