brew install

1. 访问  https://brew.sh/

　命令行下运行： 

/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. brew install mysql

　　后台启动mysql :     

　　　　brew services start mysql

　　连接mysql，创建表，并修改root密码

　　　　mysql -u root -p

　　　　UPDATE mysql.user set authentication_string=PASSWORD('123456') WHERE User='root' and Host='localhost';

 　　　  flush privileges;

3. brew install redis