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MySQL數據庫中文亂碼問題

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mysql> select * from books;
+-----+---------------------------------+---------+-------------+-------+------------+--------+-------------+
| bId | bName                           | bTypeId | publishing  | price | pubDate    | author | ISBN        |
+-----+---------------------------------+---------+-------------+-------+------------+--------+-------------+
|   1 | ???????                         | 2       | ????????    |    34 | 2004-10-01 | ??     | 7505380796  |
|   2 | ???????                         | 6       | ???????     |    41 | 2002-07-01 | ???    | 7121010925  |
|   3 | ????????asp                     | 2       | ?????????   |    43 | 2005-02-01 | ??     | 75053815x   |
|   4 | pagemaker 7.0??????             | 9       | ???????     |    43 | 2005-01-01 | ???    | 7121008947  |
|   5 | ????????                        | 6       | ?????????   |    44 | 2003-06-29 | ???    | 7120000233  |
|   6 | Dreamweaver 4?????              | 2       | ???????     |    44 | 2004-06-01 | ???    | 7505397699  |

1.確認並設置MySql的數據庫的編碼(註意下面橘色字體) mysql> status -------------- mysql Ver 14.14 Distrib 5.1.73, for redhat-linux-gnu (x86_64) using readline 5.1 Connection id: 2 Current database: school Current user: [email protected] SSL: Not in use Current pager: stdout Using outfile: ‘‘ Using delimiter: ; Server version: 5.1.73 Source distribution Protocol version: 10 Connection: Localhost via UNIX socket Server characterset: utf8 Db characterset: utf8 Client characterset: latin1 Conn. characterset: latin1
UNIX socket: /var/lib/mysql/mysql.sock Uptime: 1 min 8 sec Threads: 1 Questions: 13 Slow queries: 0 Opens: 17 Flush tables: 1 Open tables: 10 Queries per second avg: 0.191 --------------
2.修改方法
首先進入數據庫mysql -uroot -p123 
mysql>use school
mysql> alter database school character set utf8;
mysql> alter database school character set utf8 collate utf8_general_ci;
mysql> alter table books character set utf8 collate utf8_general_ci; 3.vim /etc/my.conf //編輯修改mysql配置文件 [mysqld] datadir=/var/lib/mysql socket=/var/lib/mysql/mysql.sock user=mysql # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 character-set-server = utf8 [mysqld_safe] log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid [client] default-character-set=utf8 [mysql] default-character-set=utf8 4.以上保存後重啟數據庫 [[email protected]
/* */ ~]# /etc/init.d/mysqld restart 停止 mysqld: [確定] 正在啟動 mysqld: [確定] 5.進入mysql查看字符集 mysql> show variables like "%char%"; +--------------------------+----------------------------+ | Variable_name | Value | +--------------------------+----------------------------+ | character_set_client | utf8 | | character_set_connection | utf8 | | character_set_database | utf8 | | character_set_filesystem | binary | | character_set_results | utf8 | | character_set_server | utf8 | | character_set_system | utf8 | | character_sets_dir | /usr/share/mysql/charsets/ | +--------------------------+----------------------------+ 8 rows in set (0.00 sec) mysql> show variables like "%colla%"; +----------------------+-----------------+ | Variable_name | Value | +----------------------+-----------------+ | collation_connection | utf8_general_ci | | collation_database | utf8_general_ci | | collation_server | utf8_general_ci | +----------------------+-----------------+ 3 rows in set (0.00 sec)
mysql> select * from books;
+-----+---------------------------------------------------------+---------+-----------------------------------+-------+------------+-----------+-------------+
| bId | bName                                                   | bTypeId | publishing                        | price | pubDate    | author    | ISBN        |
+-----+---------------------------------------------------------+---------+-----------------------------------+-------+------------+-----------+-------------+
|   1 | 網站制作直通車                                          | 2       | 電腦愛好者雜誌社                  |    34 | 2004-10-01 | 苗壯      | 7505380796  |
|   2 | 黑客與網絡安全                                          | 6       | 航空工業出版社                    |    41 | 2002-07-01 | 白立超    | 7121010925  |
|   3 | 網絡程序與設計-asp                                     | 2       | 北方交通大學出版社                |    43 | 2005-02-01 | 王玥      | 75053815x   |
|   4 | pagemaker 7.0短期培訓教程                               | 9       | 中國電力出版社                    |    43 | 2005-01-01 | 孫利英    | 7121008947  |
|   5 | 黑客攻擊防範秘笈                                        | 6       | 北京騰圖電子出版社                |    44 | 2003-06-29 | 趙雷雨    | 7120000233  |
|   6 | Dreamweaver 4入門與提高                                 | 2       | 清華大學出版社                    |    44 | 2004-06-01 | 嶽玉博    | 7505397699  |

一、避免創建數據庫及表出現中文亂碼和查看編碼方法
1、創建數據庫的時候:CREATE DATABASE `test`
CHARACTER SET ‘utf8‘
COLLATE ‘utf8_general_ci‘;
2、建表的時候 CREATE TABLE `database_user` (
`ID` varchar(40) NOT NULL default ‘‘,
`UserID` varchar(40) NOT NULL default ‘‘,
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

即建庫和建表時都使用相同的編碼格式。  

查看school數據庫的編碼格式:

mysql> show create database school;
+----------+-----------------------------------------------------------------+
| Database | Create Database                                                 |
+----------+-----------------------------------------------------------------+
| school   | CREATE DATABASE `school` /*!40100 DEFAULT CHARACTER SET utf8 */ |
+----------+-----------------------------------------------------------------+
1 row in set (0.00 sec)

 查看books表的編碼格式

 1 mysql> use school
 2 Reading table information for completion of table and column names
 3 You can turn off this feature to get a quicker startup with -A
 4 
 5 Database changed
 6 mysql> show create table books;
 7 +-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 8 | Table | Create Table                                                                                                                                                                                                                                                                                                                                                                                                                               |
 9 +-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
10 | books | CREATE TABLE `books` (
11   `bId` int(4) NOT NULL AUTO_INCREMENT,
12   `bName` varchar(255) DEFAULT NULL,
13   `bTypeId` enum(‘1‘,‘2‘,‘3‘,‘4‘,‘5‘,‘6‘,‘7‘,‘8‘,‘9‘,‘10‘) DEFAULT NULL,
14   `publishing` varchar(255) DEFAULT NULL,
15   `price` int(4) DEFAULT NULL,
16   `pubDate` date DEFAULT NULL,
17   `author` varchar(30) DEFAULT NULL,
18   `ISBN` varchar(255) DEFAULT NULL,
19   PRIMARY KEY (`bId`)
20 ) ENGINE=MyISAM AUTO_INCREMENT=45 DEFAULT CHARSET=utf8 |
21 +-------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
22 1 row in set (0.00 sec)

MySQL數據庫中文亂碼問題