brew tap caskroom/versions
brew cask install android-platform-tools
直接下載：
https://dl.google.com/android/repository/platform-tools-latest-darwin.zip
https://dl.google.com/android/repository/platform-tools-latest-linux.zip
https://dl.google.com/android/repository/platform-tools-latest-windows.zip
只是我被墻了。f。
alices-iMac:~ alice$ brew install android-platform-tools
Error: No available formula with the name "android-platform-tools"
It was migrated from homebrew/core to caskroom/cask.
You can access it again by running:
? brew tap caskroom/cask
alices-iMac:~ alice$ brew tap caskroom/cask
==> Tapping caskroom/cask
Cloning into '/usr/local/Homebrew/Library/Taps/caskroom/homebrew-cask'...
remote: Counting objects: 3993, done.
remote: Compressing objects: 100% (3970/3970), done.
remote: Total 3993 (delta 36), reused 486 (delta 19), pack-reused 0
Receiving objects: 100% (3993/3993), 1.36 MiB | 43.00 KiB/s, done.
Resolving deltas: 100% (36/36), done.
Checking out files: 100% (3978/3978), done.
Tapped 0 formulae (4,002 files, 4.3MB)
alices-iMac:~ alice$ brew cask install android-platform-tools
==> Creating Caskroom at /usr/local/Caskroom
==> Satisfying dependencies
==> Downloading https://dl.google.com/android/repository/platform-tools_r27.0.1-
curl: (6) Could not resolve host: dl.google.com
Error: Download failed on Cask 'android-platform-tools' with message: Download failed: https://dl.google.com/android/repository/platform-tools_r27.0.1-darwin.zip
brew主要用來下載一些不帶界面的命令行下的工具和第三方庫來進(jìn)行二次開發(fā)
brew cask主要用來下載一些帶界面的應(yīng)用軟件，下載好后會(huì)自動(dòng)安裝，并能在mac中直接運(yùn)行使用
舉個(gè)例子，
brew install curl可以安裝curl第三方庫，這樣你在開發(fā)時(shí)就可以使用它的庫來進(jìn)行開發(fā)
brew cask install chrome可以安裝谷歌瀏覽器應(yīng)用程序，可直接運(yùn)行
作者：Cloud Strife
鏈接：https://www.zhihu.com/question/22624898/answer/105234217
