Convert dictionary to query string in swift?

Question

I have a dictionary as [String:Any].Now i want to convert this dictionary keys & value as key=value&key=value.I have created below extensio

Answer 1

protocol ParametersConvertible {
    func asParameters() -> [String:Any] 
}

protocol QueryStringConvertible {
    func asQuery() -> String
}

extension QueryStringConvertible where Self: ParametersConvertible {
    func asQuery() -> String {
        var queries: [URLQueryItem] = []
        for (key, value) in self.asParameters() {
            queries.append(.init(name: key, value: "\(value)"))
        }

        guard var components = URLComponents(string: "") else {
            return ""
        }

        components.queryItems = queries
        return components.percentEncodedQuery ?? ""
    }
}