mac系统下apache 和 mysql 命令：
启动apache
sudo /usr/sbin/apachectl start
重启apache
sudo /usr/sbin/apachectl restart
停止apache
sudo /usr/sbin/apachectl stop
启动mysql
sudo /Library/StartupItems/MySQLCOM/MySQLCOM start
重启mysql
sudo /Library/StartupItems/MySQLCOM/MySQLCOM restart
停止mysql
sudo /Library/StartupItems/MySQLCOM/MySQLCOM stop