那些个字符集我是一个也不明白,所以原理之类的,我是肯定不懂了
这是在我电脑上的三个命令的结果还有我随便 select * from student了一下,
第二个记录是我在eclipse中用 java jdbc插入的,在网上看了好多方法,不过都看不明白,每个人说的都有出入
我用了一个navicat,在新建连接的时候,在数据库的属性中字符是GBK,但是建立的那个用户连接就只能是utf8的,不能修改
我之后可能会搭建LAMP的环境做一点小网站练习,然后用JAVA SE + mysql 做一段时间的桌面应用
我应该怎么做?
mysql> use jdbctestthree;
Database changed
mysql> show create table student;
+---------+------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------+
| Table | Create Table
|
+---------+------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------+
| student | CREATE TABLE `student` (
`stId` int(11) NOT NULL,
`stuName` char(20) NOT NULL DEFAULT '',
`stuScore` decimal(5,2) NOT NULL DEFAULT '0.00',
PRIMARY KEY (`stId`)
) ENGINE=InnoDB DEFAULT CHARSET=gbk |
+---------+------------------------------------------------------------------------------------------------------------------
-------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> show full columns from student;
+----------+--------------+----------------+------+-----+---------+-------+---------------------------------+---------+
| Field | Type | Collation | Null | Key | Default | Extra | Privileges | Comment |
+----------+--------------+----------------+------+-----+---------+-------+---------------------------------+---------+
| stId | int(11) | NULL | NO | PRI | NULL | | select,insert,update,references | |
| stuName | char(20) | gbk_chinese_ci | NO | | | | select,insert,update,references | |
| stuScore | decimal(5,2) | NULL | NO | | 0.00 | | select,insert,update,references | |
+----------+--------------+----------------+------+-----+---------+-------+---------------------------------+---------+
3 rows in set (0.03 sec)
mysql> show variables like 'char%';
+--------------------------+---------------------------------------------------------+
| Variable_name | Value |
+--------------------------+---------------------------------------------------------+
| character_set_client | gbk |
| character_set_connection | gbk |
| character_set_database | gbk |