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MySql乱码

2015-10-15 10:45 477 查看
1.show variables like "%char%";

+--------------------------+---------------+

| Variable_name | Value |
+--------------------------+---------------+       (有问题)      (没问题的)
| character_set_client | gbk |        gbk    utf8
| character_set_connection | gbk |        gbk    utf8
| character_set_database | utf8 |         latin1   utf8
| character_set_filesystem | binary |        binary   binary
| character_set_results | gbk |        gbk    utf8
| character_set_server | utf8 |       latin1    utf8
| character_set_system | utf8 |        utf8    utf8
+--------------------------+-------------+

解决方法:

1.在连接后使用set names utf8,set names gbk来解决

注:以前2个来确定,可以使用set names utf8,set names gbk设置默认的编码格式;

执行SET NAMES utf8的效果等同于同时设定如下:
SET character_set_client='utf8';
SET character_set_connection='utf8';
SET character_set_results='utf8';

2.配置my.ini来解决

[client]
default-character-set=utf8

[mysqld]
character-set-server=utf8
collation-server=utf8_general_ci

MySql相关emoji表情问题
http://my.oschina.net/wingyiu/blog/153357 https://mathiasbynens.be/notes/mysql-utf8mb4#utf8-to-utf8mb4
需要将相关字符集改为utf8mb4

+--------------------------+--------------------+
| Variable_name            | Value              |
+--------------------------+--------------------+
| character_set_client     | utf8mb4            |
| character_set_connection | utf8mb4            |
| character_set_database   | utf8mb4            |
| character_set_filesystem | binary             |
| character_set_results    | utf8mb4            |
| character_set_server     | utf8mb4            |
| character_set_system     | utf8               |
| collation_connection     | utf8mb4_unicode_ci |
| collation_database       | utf8mb4_unicode_ci |
| collation_server         | utf8mb4_unicode_ci |
+--------------------------+--------------------+
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