~/Library/Developer/Xcode/DerivedData 显示:defaults write com.apple.finder AppleShowAllFiles -bool true 隐藏:defaults write com.apple.finder AppleShowAllFiles -bool false
~/Library/Developer/Xcode/DerivedData 显示:defaults write com.apple.finder AppleShowAllFiles -bool true 隐藏:defaults write com.apple.finder AppleShowAllFiles -bool false