Use of agents in Swift

1. Define an agreement first.

Protocol httptoolprorocol{    //1. Proxy method to pass the dictionary returned by the server to the caller    func didrecieveresults (result:nsdictionary)}

2. Define a proxy property

    2. Declaring proxy properties    var delegate:httptoolprorocol?

3. Infer whether the proxy implements the proxy method, assuming that the implementation passes the dictionary returned by the server to the caller after deserialization

            3.3.1 returns the data to deserialize            var jsonresult:nsdictionary = nsjsonserialization.jsonobjectwithdata (data, Options: Nsjsonreadingoptions (), Error:nil) as Nsdictionary                        //3.4 pass the dictionary returned by the server to the caller            if (data) {            self.delegate?
. Didrecieveresults (Jsonresult)            }

4. Implementing Proxy Methods

  Proxy Method    func didrecieveresults (result:nsdictionary) {    }

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Use of agents in Swift