Swift 3: Using URLComponents

Swift3URLComponent.swift

//: # Swift 3: Using URLComponents
import Foundation

//: ### Compose the componens
var url = URLComponents()
url.scheme = "http"
url.host = "google.com"
//: ### Pass the query string parameters
url.queryItems = [
    URLQueryItem(name: "test", value: "data"),
    URLQueryItem(name: "foo", value: "bar")
]
//: ### Output the formatted URL
print(url.string!)

//: ### Output the formatted query string
print(url.query!)