skip-character-set-client-handshake 与 character-set-client-handshake

my.cnf

[mysql]

default-character-set = gbk

[mysqld]

skip-character-set-client-handshake=1   跳过mysql程序起动时的字符参数设置 ,使用服务器端字符集设置

 修改不过来

[root@localhost ~]# mysql -uroot -p --default-character-set=latin1
Enter password: 
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/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.01 sec)

mysql> set names latin1 ;    //进入环境中才可以设置

Query OK, 0 rows affected (0.00 sec)

mysql> show variables like "%char%";
+--------------------------+------------------------------------+
| Variable_name            | Value                              |
+--------------------------+------------------------------------+
| character_set_client     | latin1                             |
| character_set_connection | latin1                             |
| character_set_database   | utf8                               |
| character_set_filesystem | binary                             |
| character_set_results    | latin1                             |
| character_set_server     | utf8                               |
| character_set_system     | utf8                               |
| character_sets_dir       | /usr/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.01 sec)

 

 

 

[my.cnf]

[mysql]
default-character-set = gbk

[mysqld]
character-set-client-handshake = 0
[root@localhost ~]# mysql -uroot -p --default-character-set=latin1
Enter password: 

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/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.01 sec)

mysql> set names gbk;
Query OK, 0 rows affected (0.00 sec)

mysql> show variables like "%char%";
+--------------------------+------------------------------------+
| Variable_name            | Value                              |
+--------------------------+------------------------------------+
| character_set_client     | gbk                                |
| character_set_connection | gbk                                |
| character_set_database   | utf8                               |
| character_set_filesystem | binary                             |
| character_set_results    | gbk                                |
| character_set_server     | utf8                               |
| character_set_system     | utf8                               |
| character_sets_dir       | /usr/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.18 sec)

 

 

 

 

 

[mysqld]

character-set-server = gbk skip-character-set-client-handshake=1 //使用服务端字符集

[root@localhost ~]# mysql -uroot -p --default-character-set=latin1
Enter password: 

mysql> show variables like "%char%";
+--------------------------+------------------------------------+
| Variable_name            | Value                              |
+--------------------------+------------------------------------+
| character_set_client     | gbk                                |
| character_set_connection | gbk                                |
| character_set_database   | gbk                                |
| character_set_filesystem | binary                             |
| character_set_results    | gbk                                |
| character_set_server     | gbk                                |
| character_set_system     | utf8                               |
| character_sets_dir       | /usr/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.02 sec)

 

 

 

[mysqld]

character-set-server = gbk character-set-client-handshake=0 //使用服务端字符集

[root@localhost ~]# mysql -uroot -p --default-character-set=latin1
Enter password: 

mysql> show variables like "%char%";
+--------------------------+------------------------------------+
| Variable_name            | Value                              |
+--------------------------+------------------------------------+
| character_set_client     | gbk                                |
| character_set_connection | gbk                                |
| character_set_database   | gbk                                |
| character_set_filesystem | binary                             |
| character_set_results    | gbk                                |
| character_set_server     | gbk                                |
| character_set_system     | utf8                               |
| character_sets_dir       | /usr/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.02 sec)

 

 

 

[mysqld]
character
-set-server = gbk
character-set-client-handshake = 1

[root@localhost ~]# mysql -uroot -p --default-character-set=latin1
Enter password: 

mysql> show variables like "%char%";
+--------------------------+------------------------------------+
| Variable_name            | Value                              |
+--------------------------+------------------------------------+
| character_set_client     | latin1                             |
| character_set_connection | latin1                             |
| character_set_database   | gbk                                |
| character_set_filesystem | binary                             |
| character_set_results    | latin1                             |
| character_set_server     | gbk                                |
| character_set_system     | utf8                               |
| character_sets_dir       | /usr/local/mysql56/share/charsets/ |
+--------------------------+------------------------------------+
8 rows in set (0.02 sec)

 

mysql 字符集非交互设置:当mysql起动连到mysqld时,非手动命令

mysql字符集交互设置:通过命令行手动设置 

 

 

MySQL 5.5版本解决中文乱码问题时my.ini内

[mysqld]项中不能再写default-character-set=utf8

 

来看看如何解决乱码问题:

在mysql中默认字符集是latin1,

想要设置字符集为uft-8,可以在 my.cnf 文件中添加以下设置:

·[client]

1 default-character-set=utf8

·[mysqld]

1 default-character-set=utf8
2 skip-character-set-client-handshake #此处是忽略客户端的字符集,使用服务器的设置

(skip语句和client中的default选一个)

当然你可以在建立数据库是规定字符集:

1 create database db_name default character set utf8 callate utf8-general-ci;

也可以在链接数据库前设置:

1 set names 'utf8'

重点在红字上,加了skip-character-set-client-handshake,client里面就不用加default了

01 show variables like 'characte%';
02 +--------------------------+----------------------------+
03 | Variable_name | Value |
04 +--------------------------+----------------------------+
05 | character_set_client | utf8 |
06 | character_set_connection | utf8 |
07 | character_set_database | utf8 |
08 | character_set_filesystem | binary |
09 | character_set_results | utf8 |
10 | character_set_server | utf8 |
11 | character_set_system | utf8 |
12 | character_sets_dir | /usr/share/mysql/charsets/ |
13 +--------------------------+----------------------------+

但是根据以上的配置过了后,mysql就无法启动了,这是为什么呢?往下看:  

 

在5.1版本时,为了解决中文乱码问题设置默认字符集为utf8时,在my.ini内的 [mysql] 和 [mysqld] 项中都是写:

1 default-character-set=utf8

到了5.5版本, [mysql] 项内可以这么写, [mysqld] 项内这么写在启动MySQL服务时会有1067错误,经查询发现这里必须要这样写:

1 character-set-server=utf8

目前已知5.1和5.5有这么一个不同之处,且是从5.5的安装版本自动生成的my.ini文件中看出的。配置免安装的5.5版本还需要进一步的实验。

 

posted @ 2016-07-08 10:25 zengkefu 阅读(...) 评论(...) 编辑 收藏