Flutter 安装
将 flutter 克隆到本地任意路径
git clone -b beta https://github.com/flutter/flutter.git
或者 https://github.com/flutter/flutter.git直接下载也可以
将文件放到你认为合适的路径下
不过一般都是在 /usr/local/ 下面，直接拷贝到此路径（ /usr/local/ ）下
然后指定 flutter 的执行路径
cd ~/
vim .bash_profile
添加以下代码
# flutter
export PATH=/usr/local/flutter/bin:$PATH
然后
source .bash_profile
安装完毕
Dart 安装
brew tap dart-lang/dart
brew install dart
Dart WebStorm 路径配置
Dart SDK Path: /usr/local/Cellar/dart
Dartium path: /usr/local/opt/dart
