cocoapods use

(1) Install cocoapods

sudo gem update --system

sudo gem install cocoapods

(2) Download the 3rd party package

a new directory path

b Create a new project myapp with xcode in the directory

c Create a new podfile file in the directory

source "https://github.com/CocoaPods/Specs.git"
platform :ios, "8.0"
use_frameworks!

target "myapp" do
pod 'SVProgressHUD'
pod 'FDFullscreenPopGesture'
pod 'SnapKit'
pod 'Kingfisher'
pod 'Alamofire'
pod 'SwiftyJSON'

end

xcodeproj 'myapp/myapp.xcodeproj'

d command line to enter path

cd /path

e Install 3rd party packages

pod install