iOS Development--Network Programming Swift & (iv) asynchronous get mode

Asynchronous Get Mode

1     //MARK:-Asynchronous Get Mode2 func asynchronousget ()3     {4         //Create a Nsurl object5var url:nsurl! = Nsurl (string:"http://m.weather.com.cn/data/101010100.html")6         7         //Create Request Object8var urlrequest:nsurlrequest = nsurlrequest (Url:url, CachePolicy:NSURLRequestCachePolicy.UseProtocolCachePolicy, timeOutInterval:Ten)9         Ten         //connecting to a server Onevar connection = Nsurlconnection (Request:urlrequest,Delegate: Self) A     } -      -      the     //MARK:-nsurlconnectiondelegate:nsobjectprotocol { - func Connection (connection:nsurlconnection, Didfailwitherror error:nserror) -     { -         //request failed +     } -Func Connectionshouldusecredentialstorage (connection:nsurlconnection)Bool +     { A         //connection should use certificate store at         return true -     } - func Connection (connection:nsurlconnection, Willsendrequestforauthenticationchallenge Challenge: Nsurlauthenticationchallenge) -     { -         //Send Request Verification -     } inFunc connection (connection:nsurlconnection, Canauthenticateagainstprotectionspace protectionspace: Nsurlprotectionspace)Bool -     { to         //protected space that can be verified +         return true -     } the func Connection (connection:nsurlconnection, Didreceiveauthenticationchallenge Challenge: Nsurlauthenticationchallenge) *     { $         //Get CertifiedPanax Notoginseng     } - func Connection (connection:nsurlconnection, Didcancelauthenticationchallenge Challenge: Nsurlauthenticationchallenge) the     { +         //Cancel Certification A}

iOS Development--Network Programming Swift & (iv) asynchronous get mode