mac os 10.14.1 opencv-3.4.3 java8 home brew intellij idea

用brew安装opencv，是最快捷的方式。java 用MacPorts安装opencv，听说也很快捷，尝试了，但安装失败了。c++ 1，先建立个目录intellij-idea >>sudo mkdir /usr/local/Frameworks >>sudo chown $(whoami):admin /usr/local/Frameworkside 2，安装brewui 这一步参照brew官方

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