安裝brew（已有省略詞步）
/bin/zsh -c "$(curl -fsSL https://gitee.com/cunkai/HomebrewCN/raw/master/Homebrew.sh)"

執行輸入1

安裝完成執行brew檢測是否安裝成功

安裝mysql

1、執行安裝命令

brew install mysql

2、安裝完後啟動mysql

mysql.server start

3、執行安全設定

mysql_secure_installation

顯示如下

There are three levels of password validation policy:

LOW    Length 
 
>= 8
MEDIUM Length >= 8, numeric, mixed case, and special characters
STRONG Length >= 8, numeric, mixed case, special characters and dictionary                  file

按照提示選擇密碼等級，並設定root密碼

http://blog.itpub.net/30936525/viewspace-2016528/ //友情連結有詳細密碼設定步驟詳解

參考連結

https://blog.csdn.net/yuanshangshenghuo/article/details/106599836 //安裝brew

https://www.jianshu.com/p/4fc53d7d7620 // 安裝mysql

http://blog.itpub.net/30936525/viewspace-2016528/ //友情連結有詳細密碼設定步驟詳解