Mysql里的日期类型 和JPA里@Temporal
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(shí)間精度
轉(zhuǎn)載于:https://www.cnblogs.com/tazi/archive/2012/01/04/2311584.html
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