deepin MySQL 安装以及编码格式的修改utf-8：
1、sudo apt-get install mysql-server mysql-client
2、sudo mysql -u root -p
3、update mysql.user set plugin="mysql_native_password" where user="root";
4、update mysql.user set authentication_string=password('1234') where user='root' and Host='localhost';
5、sudo service mysql restart
6、mysql -u root -p
7、(输入 mysql 密码)
8、set character_set_database=utf8;
9、set character_set_server=utf8;
10、set global character_set_database=utf8;
11、set global character_set_server=utf8;