mac系統下重置mysql登入密碼

關閉並重啓mysql服務器

sudo /usr/local/mysql/support-files/mysql.server stop
cd /usr/local/mysql/bin        
sudo su          
./mysqld_safe --skip-grant-tables &

重新打開一個終端，配置短命令：

alias mysql=/usr/local/mysql/bin/mysql
mysql                        
use mysql                  
flush privileges;        
set password for 'root'@'localhost'=password('新密碼');