課堂演練準(zhǔn)備項(xiàng)目001.網(wǎng)絡(luò)基礎(chǔ)

1、 oUd 2( * iOSZX!Q_, d w /liufan9 7): !#$%&$%( oUd 2( * ZXbC GET vsTCA snNH *+,T-./,*+,ls 0&1#&23450&3643 f2&%$#7(389:W ;o ML g =f s 7): !#$%&$%( oUd 2( * TLHTMLjERGET & 7): !#$%&$%( oUd 2( * iOSZX#G-HT?/89: 5 5?/89:9464$ -(NA42H3 s L?/89:=- 41A42H3g?/B6$&23489:9464$ v ?/89:9464$3vJ?/89:C7(4%$#7( o I

2、)kwY;TA42Hg3o ?/89:9464$=3s a|H3 7): !#$%&$%( oUd 2( * *+,bCBn URLNSString *urlStr = /login.?username=123&password=123;NSURL *url = NSURL URLWithString:urlStrstringByAddingPercentEscsUsingEncoding:NSUTF8StringEncoding; RequestNSURLRequest *request = NSURLRequest requestWithURL:url; ConnectionNSURLCo

3、nnection *conn = NSURLConnection allocinitWithRequest:request delegate:self; Connectionconn start; 7): !#$%&$%( oUd 2( * TbCBn / Connectiong NJ URLNSString *urlStr = /login.; RequestNSMutableURLRequest *request = NSMutableURLRequest requestWithURL:url;/ request setTimeouterval:5.0;/ request setHTTPM

4、ethod:t;NSString *bodyString = NSString stringWithFormat:username=%&password=%,_userNameText.text,_passwordText.text;/ NSData *body = bodyString dataUsingEncoding:NSUTF8StringEncoding;/ HTTPrequest setHTTPBody:body; 7): !#$%&$%( oUd 2( * -H%3=DNSURLConnectionDataDelega/-/HtBs(void)connection:didRece

5、iveResponse:2HB3s CA 7+- (void)connection:didReceiveData:/-/so (void)connectionDidFinishLoading:o.- (void)connection:didFailWithError:/ sNH T *CA- (void)connection:didSendBodyDa totalBytesExpectedToWrite:otalBytesWritten: 7): !#$%&$%( oUd 2( * TbCEV $lM WGET & 7): !#$%&$%( oUd 2( * GETbC8 P/ 8URLNSS

6、tring *urlStr = NSString stringWithFormat:%?username=%&password=%, LOGIN_URL, _userNameText.text, _passwordText.text;/ 3URL v NSURL *url = NSURL URLWithString:urlStrstringByAddingPercentEscsUsingEncoding:NSUTF8StringEncoding;/ 8NSURLRequest *request = NSURLRequest requestWithURL:url;/ 8oNSURLConnect

7、ion *conn = NSURLConnection allocinitWithRequest:request delegate:self;/ tDconn start; 7): !#$%&$%( oUd 2( * 0? ;5L $+ erface ViewController : UIViewController erface ViewController ()/ oBsCA 7+ 8# eo23sNSMutableData*_receivedData;-(IBAction)getLogin:(id)sender/ &Zos_receivedData = NSMutableDatadata

8、; 7): !#$%&$%( oUd 2( * feNSURLConnectionDataDelegate%3=D69;5/ 2HBs CA 7+- (void)connection:(NSURLConnection *)connection didReceiveData:(NSDataNSLog(2HBs%, data);_receivedData appendData:data;*)data/ sop- (void)connectionDidFinishLoading:(NSURLConnection *)connectionNSString *string = NSString allo

9、cinitWithData:_receivedData encoding:NSUTF8StringEncoding;NSLog(o B %, string);/ Es_receivedData = nil;/ o.- (void)connection:(NSURLConnection *)connection didFailWithError:(NSError/ =URL3 cv. NSLog(o. %, error.localizedDescription);*)error 7): !#$%&$%( oUd 2( * TbC8 P/ &Zos_receivedData = NSMutable

10、Data data;/ 8URL b#3url NSURL *url = NSURL URLWithString:LOGIN_URL;/ 8NSMutableURLRequest *request = NSMutableURLRequest/ 41H3!grequestWithURL:url;request setTimeouterval:5.0;/ CA /Qrequest setHTTPMethod:t;NSString *bodyString = NSString stringWithFormat:?username=%&password=%,_userNameText.text, _p

11、asswordText.text;/ #s NSData *body = bodyString dataUsingEncoding:NSUTF8StringEncoding;/ HTTPs NSMutableURLRequest9fContent-Lengthrequest setHTTPBody:body;/ 8o 7): !#$%&$%( oUd 2( * NSURLConnectionDataDelegate%3=D/ sNH T*CA- (void)connection:(NSURLConnection *)connectiondidSendBodyData:(NSeger)bytes

12、Written totalBytesWritten:(NS(NSeger)totalBytesWritten totalBytesExpectedToWrite: eger)totalBytesExpectedToWriteNSLog(“sNH bytesWritten: %d,totalBytesWritten %d totalBytesExpectedToWrite bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);%d”,CAUOJ 7): !#$%&$%( oUd 2( * BbC .BbCNSURLConnecti

13、onPLrCAvo _ 7NSURLRequest ?S NSURLConnectionDataDelegates sendSynchronousRequest:request returningResponse:&response error:&error sendAsynchronousRequest:requestqueue:NSOperationQueue mainQueuecompletionHandler:(NSURLResponse NSData *data, NSError *error)Q $x$mq*response, 7): !#$%&$%( oUd 2( * B .Bb

14、CEV 7): !#$%&$%( oUd 2( * Ikc7): !#$%&$%( oUd 2( * BbCEVhAtbC=D 7): !#$%&$%( oUd 2( * hA L=D/ #T- (NSMutableURLRequest *)tLoginRequest/ 8URL b#3url NSURL *url = NSURL URLWithString:LOGIN_URL;/ 8NSMutableURLRequest *request = NSMutableURLRequest requestWithURL:url;/ 41H3!grequest setTimeouterval:5.0;

15、/ CA /Qrequest setHTTPMethod:t;NSString *bodyString = NSString stringWithFormat:username=%&password=%,_userNameText.text, _passwordText.text;/ #s NSData *body = bodyString dataUsingEncoding:NSUTF8StringEncoding;/ HTTPs NSMutableURLRequest9fContent-Length request setHTTPBody:body;return request; 7):

16、!#$%&$%( oUd 2( * BbCH1K/- (IBAction)syncLogin:(id)senderNSMutableURLRequest *request = self NSError *error;NSURLResponse *response;tLoginRequest;NSData *data = NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&error;/ pW W JLOGIN_URLvu2Rif (!data) NSLog( D. %, error.

17、localizedDescription); else / qsNSString *string = NSString allocinitWithData:data encoding:NSUTF8StringEncoding;NSLog( B %, string); 7): !#$%&$%( oUd 2( * .BbCH1K/NSMutableURLRequest *request = selftLoginRequest;/ *y0 3 3 0 & error = nil) / qsNSString *string = NSString allocinitWithData:data encod

18、ing:NSUTF8StringEncoding;NSLog( B %, string);else if (data length 7): !#$%&$%( oUd 2( * Y&SJNSURLRequest3cachePolicyv- - F-333$Oz3Y $K3 Vl$!42H3s-| h=L613+cachePolicy%3- NSURLRequestUseProtocolCachePolicy 3- 3CA8-NSURLRequestReloadIgnoringCacheData NSURLRequestReturnCacheDataElseLoadX-,5-,5NSURLRequestReturnCacheDataDontLoad- R - koNSURLRequestReloadIgnoringLocalAndRemoteCacheData X 5T$3