Convert Array, Dictionary into JSON in Swift :

Convert Dictionary into JSON in Swift :

From:  https://stackoverflow.com/questions/29625133/convert-dictionary-to-json-in-swift

let dic = ["2": "B", "1": "A", "3": "C"]

let encoder = JSONEncoder()

if let jsonData = try? encoder.encode(dic) {

    if let jsonString = String(data: jsonData, encoding: .utf8) {

        print(jsonString)

    }

}

Convert Array in to JSON in Swift

From :  https://riptutorial.com/ios/example/28692/convert-array-into-json-string

let array = [["prod_uniq" : "5cb5d3aecd4d9"], ["Quantity" : "500"], ["Amount" : "1000"]]

        

let jsonString = convertIntoJSONString(arrayObject: array)

print("jsonString - \(jsonString ?? "Empty JSON")")

        

func convertIntoJSONString(arrayObject: [Any]) -> String? {

        

        do {

            let jsonData: Data = try JSONSerialization.data(withJSONObject: arrayObject, options: [])

            if  let jsonString = NSString(data: jsonData, encoding: String.Encoding.utf8.rawValue) {

                return jsonString as String

            }

            

        } catch let error as NSError {

            print("Array convertIntoJSON - \(error.description)")

        }

        return nil

    }