osx下安装mysql5.7

参考https://www.jianshu.com/p/12e885cb6e33

brew uninstall mysql@5.7
rm -rf /usr/local/var/mysql
rm /usr/local/etc/my.cnf
brew install mysql@5.7  // 安装
brew link --force mysql@5.7 // 链接
brew services start mysql@5.7 // 启动服务
echo 'export PATH="/usr/local/opt/mysql@5.7/bin:$PATH"' >> ~/.zshrc // 输出到环境变量

mysql_secure_installation

登入： mysql -uroot -p