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mysql中文字符的问题如何处理

发布时间:2021-12-25 20:47:11 所属栏目:MySql教程 来源:互联网
导读:这篇文章主要介绍mysql中文字符的问题怎么处理,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完! mysql中文字符的问题 mysql5.1上成功更改的例子: 1.在my.cnf中clent和mysqld加入default-character-set=utf8 2. 更改数据库字符集 3
这篇文章主要介绍mysql中文字符的问题怎么处理,文中介绍的非常详细,具有一定的参考价值,感兴趣的小伙伴们一定要看完!
 
mysql中文字符的问题
mysql5.1上成功更改的例子:      
      1.在my.cnf中clent和mysqld加入default-character-set=utf8
 
      2.  更改数据库字符集
 
      3.创建数据库表字符集
 
      4.更改兼容中文的gbk
 
 
以下是详细过程
 
 
 
mysql> use mysql
 
Database changed
 
mysql> CREATE TABLE pingfen
 
    ->    (CODE VARCHAR(20),
 
    -> ZONGHEPINGFEN Decimal(12,3),
 
    -> DATE_INSERT DATEtime,
 
    -> NEIRONG LONGTEXT,
 
    -> JISHU Decimal(12,3),
 
    -> ZIJIN Decimal(12,3),
 
    -> XIAOXI Decimal(12,3),
 
    -> HANGYE Decimal(12,3),
 
    -> JIBEN Decimal(12,3),
 
    -> PAIXU_TIPS Decimal(12,3),
 
    -> DUANQI VARCHAR(100),
 
    -> ZHONGQI VARCHAR(100),
 
    -> CHANGQI VARCHAR(100),
 
    -> CHENGBEN Decimal(12,3),
 
    -> CHENGBENMIAOSHU VARCHAR(500),
 
    -> WURIZIJIN VARCHAR(100)
 
    ->    ) ENGINE=InnoDB AUTO_INCREMENT=32 DEFAULT CHARSET=utf8;
 
Query OK, 0 rows affected (0.02 sec)
 
 
 
mysql> insert into table pingfen(zonghepingfen,duanqi) values(6,'你好');
 
    '> ;
 
    '> ;
 
    '> /
 
    '> ;
 
    '> exit
 
    '> exit;
 
    '> by;
 
    '> Ctrl-C -- exit!
 
Aborted
 
[root@master yum.repos.d]# mysql -uroot
 
Welcome to the MySQL monitor.  Commands end with ; or g.
 
Your MySQL connection id is 4
 
Server version: 5.1.71 Source distribution
 
 
 
Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
 
 
 
Oracle is a registered trademark of Oracle Corporation and/or its
 
affiliates. Other names may be trademarks of their respective
 
owners.
 
 
 
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
 
 
 
mysql> use mysql mysql
 
Database changed
 
mysql> insert into  pingfen(zonghepingfen,duanqi) values(6,'你好');
 
Query OK, 1 row affected, 1 warning (0.01 sec)
  
 
mysql> set names utf8;
 
Query OK, 0 rows affected (0.00 sec)
 
 
 
mysql> select * from pingfen;
 
+------+---------------+-------------+---------+-------+-------+--------+--------+-------+------------+--------+---------+---------+----------+-----------------+-----------+
 
| CODE | ZONGHEPINGFEN | DATE_INSERT | NEIRONG | JISHU | ZIJIN | XIAOXI | HANGYE | JIBEN | PAIXU_TIPS | DUANQI | ZHONGQI | CHANGQI | CHENGBEN | CHENGBENMIAOSHU | WURIZIJIN |
 
+------+---------------+-------------+---------+-------+-------+--------+--------+-------+------------+--------+---------+---------+----------+-----------------+-----------+
 
| NULL |         6.000 | NULL        | NULL    |  NULL |  NULL |   NULL |   NULL |  NULL |       NULL |        | NULL    | NULL    |     NULL | NULL            | NULL      |
 
+------+---------------+-------------+---------+-------+-------+--------+--------+-------+------------+--------+---------+---------+----------+-----------------+-----------+
 
1 row in set (0.00 sec)
 
 
mysql> insert into  pingfen(zonghepingfen,duanqi) values(6,'你好111111111111111111');
 
Query OK, 1 row affected, 1 warning (0.01 sec)
 
 
 
mysql> commit;
 
Query OK, 0 rows affected (0.00 sec)
 
 
 
mysql> select duanqi from pingfen;
 
+--------+
 
| duanqi |
 
+--------+
 
|        |
 
|        |
 
+--------+
 
2 rows in set (0.00 sec)
 
 
 
mysql> set names gbk;
 
Query OK, 0 rows affected (0.00 sec)
 
 
 
mysql> select duanqi from pingfen;
 
+--------+
 
| duanqi |
 
+--------+
 
|        |
 
|        |
 
+--------+
 
2 rows in set (0.00 sec)
 
 
 
mysql> alter table pingfen character set gbk;    更改兼容中文的gbk
 
Query OK, 2 rows affected (0.07 sec)
 
Records: 2  Duplicates: 0  Warnings: 0
 
 
 
mysql> select duanqi from pingfen;
 
+--------+
 
| duanqi |
 
+--------+
 
|        |
 
|        |
 
+--------+
 
2 rows in set (0.00 sec)
 
 
 
mysql> insert into  pingfen(zonghepingfen,duanqi) values(6,'你好111111111111111111');
 
Query OK, 1 row affected (0.01 sec)
 
mysql>
 
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