mysql设置字符集

乱码问题一直是困扰程序员最心烦的问题之一，今天网上查询了一些资料，把mysql的字符编码设置总结如下.
      一：首先修改mysql中的配置文件my.ini，
           在[mysql]标签中修改default-character-set=utf8
          在[client]标签中添加default-character-set=utf8
          在[mysqld]标签中修改default-character-set=utf8
          在[mysqld]标签中添加character_set_server = utf8
                            #表名不区分大小写（此与编码无关）
                                 lower_case_table_names = 1 
          添加标签[mysql.server]和[mysql_safe] 并分别在标签下添加
          default-character-set=utf8 
      命令行输入 net stop mysql
      命令行输入 net start mysql
      命令行输入mysql -uroot -pXXX 进入
       命令行输入show variables like 'character\_set\_%';[用于查看mysql编码方式]
+--------------------------+--------+
| 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   |
+--------------------------+--------+
显示了所有的编码方式；
还可以对数据库的编码方式进行修改
命令行输入 alter database test character set 'gbk';
+--------------------------+--------+
| Variable_name            | Value  |
+--------------------------+--------+
| character_set_client     | utf8   |
| character_set_connection | utf8   |
| character_set_database   | gbk    |
| character_set_filesystem | binary |
| character_set_results    | utf8   |
| character_set_server     | utf8   |
| character_set_system     | utf8   |
+--------------------------+--------+
这样就设置了test数据库的表的编码方式为GBK了
假如想把character_set_filesystem 也改为utf8;
命令行输入 set character_set_filesystem=utf8;
命令行输入 set character_set_database=utf8;
命令行输入 show variables set 'character\_set\_%';
+--------------------------+-------+
| Variable_name            | Value |
+--------------------------+-------+
| character_set_client     | utf8  |
| character_set_connection | utf8  |
| character_set_database   | utf8   |
| character_set_filesystem | utf8  |
| character_set_results    | utf8  |
| character_set_server     | utf8  |
| character_set_system     | utf8  |
+--------------------------+-------+
但是对于 character_set_filesystem 这个文件的编码 在下次启动后依然为
+--------------------------+--------+
| 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   |
+--------------------------+--------+
因为character_set_client和character_set_filesystem等已经在配置文件里设置了，这里修改的只对当前页面有效。
参考资料http://xinsync.xju.edu.cn/index.php/archives/7493

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