看了CocoaPods自己的例子(来自https://guides.cocoapods.org/syntax/podfile.html#abstract_target)
# Note: There are no targets called "Shows" in any of this workspace's Xcode projects
abstract_target 'Shows' do
pod 'ShowsKit'
# The target ShowsiOS has its own copy of ShowsKit (inherited) + ShowWebAuth (added here)
target 'ShowsiOS' do
pod 'ShowWebAuth'
end
# The target ShowsTV has its own copy of ShowsKit (inherited) + ShowTVAuth (added here)
target 'ShowsTV' do
pod 'ShowTVAuth'
end
# Our tests target has its own copy of
# our testing frameworks, and has …Run Code Online (Sandbox Code Playgroud)