Nsurlsession Request Network -01-Network

/*

The flow of network requests:

1. Construct Nsurl Connection Address

2. Constructs the Nsurlrequest request object, which contains the request header and the request body information.

3. Construction Nsurlsessionconfiguration, optional

4. Constructing the Nsurlsession Session object

5. Create a request task

6. Send a network request

*/

1 //2 //VIEWCONTROLLER.M3 //01-nsurlsession Request Network4 //5 //6 7 #import "ViewController.h"8 9 @interfaceViewcontroller ()Ten  One @end A  - @implementationViewcontroller -  the- (void) Viewdidload { - [Super Viewdidload]; -  - } +  --(Ibaction) Getaction: (ID) Sender { +      A     /* at the flow of network requests: - 1. Construct Nsurl Connection Address - 2. Constructs the Nsurlrequest request object, which contains the request header and the request body information.  - 3. Construction nsurlsessionconfiguration, optional - 4. Constructing the Nsurlsession Session object - 5. Create a request task in 6. Send a network request -       to      */ +      -Nsurl *url = [Nsurl urlwithstring:@"Http://piao.163.com/m/cinema/list.html?app_id=1&mobileType=iPhone&ver=2.6&channel=appstore &deviceid=9e89cb6d-a62f-438c-8010-19278d46a8a6&apiver=6&city=110000"]; the      *Nsmutableurlrequest *request =[Nsmutableurlrequest Requestwithurl:url]; $     Panax NotoginsengRequest.timeoutinterval = the; -Request. HttpMethod =@"GET"; the     //settings for the request header + //request.allhttpheaderfields = @{ A //                                     the //                                    }; + //Request setvalue:<# (Nullable NSString *) #> forhttpheaderfield:<# (nonnull nsstring *) #> -      $Nsurlsession *session =[Nsurlsession sharedsession]; $      -  -Nsurlsessiondatatask *task = [Session datataskwithrequest:request completionhandler:^ (NSData * _Nullable data, Nsurlresponse * _nullable response, Nserror *_nullable Error) { the         //the network request is completed and the block that will be called back after the response data is obtained -         //the data represents the fetch, response represents the request object, and error indicates the request is wrongWuyiNshttpurlresponse *httpresponse = (Nshttpurlresponse *) response; the         //Get Status Code -NSLog (@"Statuscode:%li", Httpresponse.statuscode); Wu          -         //Get response Header AboutNsdictionary *responseheader =Httpresponse.allheaderfields; $NSLog (@"responseheader:%@", Responseheader); -  -Nserror *jsonerror =Nil; -          ANsdictionary *result = [nsjsonserialization jsonobjectwithdata:data options:nsjsonreadingmutablecontainers Error: &Jsonerror]; +          the         if(!jsonerror) { -              $             //Show our data, if you want to update the UI, you need to go back to the main thread to finish.  theNSLog (@"%@", result); the              the         } the          -          in          the     }]; the      About     //send a network request the [Task resume]; the      the      + } -  the-(Ibaction) Postaction: (ID) Sender {Bayi      theNsurl *url = [Nsurl urlwithstring:@"Http://piao.163.com/m/cinema/schedule.html?app_id=1&mobileType=iPhone&ver=2.6&channel=appstore &deviceid=9e89cb6d-a62f-438c-8010-19278d46a8a6&apiver=6&city=110000"]; the      -Nsmutableurlrequest *request =[Nsmutableurlrequest Requestwithurl:url]; -      theRequest.timeoutinterval = the; theRequest. HttpMethod =@"POST"; the      theNSString *bodystring =@"cinema_id=1533"; -NSData *bodydata =[bodystring datausingencoding:nsutf8stringencoding]; the     //The request parameters of the POST request are added to the request body.  theRequest. Httpbody =Bodydata; the     94Nsurlsession *session =[Nsurlsession sharedsession]; the      the      theNsurlsessiondatatask *task = [Session datataskwithrequest:request completionhandler:^ (NSData * _Nullable data, Nsurlresponse * _nullable response, Nserror *_nullable Error) {98          About      -Nserror *jsonerror =Nil;101         102Nsdictionary *result = [nsjsonserialization jsonobjectwithdata:data options:nsjsonreadingmutablecontainers Error: &Jsonerror];103         104         if(!jsonerror) { the             106             //Show our data, if you want to update the UI, you need to go back to the main thread to finish. 107NSLog (@"%@", result);108             109         } the         111          the     }];113      the [Task resume]; the      the }117 @end

Nsurlsession Request Network -01-Network