安装方法:命令行输入 /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" 回车(这里有提示目录不存在,要创建需要按return键,如果用的windows键盘,就是回车键)
Warning: /usr/local/bin is not in your PATH.
bash: brew: command not found
终端输入命令 export PATH=/usr/local/bin:$PATH