本文参考 http://www.cnblogs.com/brookin/p/4733259.html
方法一：
macdembp:~ mac$ netstat -xl | grep mysql
e7861942257b0691 stream 0 0 e78619422ab30a91 0 0 0 /Applications/XAMPP/xamppfiles/var/mysql/mysql.sock
macdembp:~ mac$ mysql -uroot -p -S /Applications/XAMPP/xamppfiles/var/mysql/mysql.sock
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.6.16 Source distribution
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql>
方法二：
macdembp:~ mac$ echo $MYSQL_UNIX_PORT
macdembp:~ mac$ export MYSQL_UNIX_PORT=/Applications/XAMPP/xamppfiles/var/mysql/mysql.sock
macdembp:~ mac$ mysql -uroot -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or g.
Your MySQL connection id is 6
Server version: 5.6.16 Source distribution
Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.
Type 'help;' or 'h' for help. Type 'c' to clear the current input statement.
mysql>