设置mysql数据库使用utf8编码

vi /etc/mysql/my.cnf

[client]

default-character-set=utf8

[mysqld_safe]

default-character-set=utf8

[mysqld]

character_set_server=utf8

[mysql]

default-character-set=utf8

show variables like "%coll%";

show variables like "%char%";

set character_set_database=utf8;

set character_set_server=utf8;

set collation_database=utf8_general_ci;

set collation_server=utf8_general_ci;

show create database web;

ALTER DATABASE `web` DEFAULT CHARACTER SET utf8 COLLATE utf8_general_ci;

show create table auth_user;

alter table auth_user convert to character set utf8;