swift add parameters to url and encoding code example

Example 1: urlencode string swift

let originalString = "test/test"
let escapedString = originalString.addingPercentEncoding(withAllowedCharacters: .urlHostAllowed)
print(escapedString!)

Example 2: swift url encode string

var urlString = originalString.addingPercentEncoding(withAllowedCharacters: .urlQueryAllowed)