iOS 다운로드

 1 #import "ViewController.h"

 2 

 3 @interface ViewController ()

 4 @property (strong, nonatomic) NSMutableData *data;

 5 @end

 6 

 7 @implementation ViewController

 8 

 9 - (void)viewDidLoad

10 {

11     [super viewDidLoad];

12     // Do any additional setup after loading the view, typically from a nib.

13     NSString *url = @"";

14     url = [url stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];

15     NSURL *newUrl = [NSURL URLWithString:url];

16     

17     NSURLRequest*request=[[NSURLRequest alloc]initWithURL:newUrl cachePolicy:NSURLRequestReloadIgnoringCacheData timeoutInterval:100.0];// 

18     

19     NSURLConnection*connection=nil;

20     

21     connection=[[NSURLConnection alloc]initWithRequest:request delegate:self startImmediately:YES];

22 }

23 

24 -(void)connection:(NSURLConnection*)connection didReceiveResponse:(NSURLResponse*)response

25 

26 {// connection 

27     

28     NSLog(@"response");

29     

30     self.data=[[NSMutableData alloc]init];

31     

32     NSHTTPURLResponse*httpResponse=(NSHTTPURLResponse*)response;

33     

34     if(httpResponse&&[httpResponse respondsToSelector:@selector(allHeaderFields)]){

35         

36         NSDictionary*httpResponseHeaderFields=[httpResponse allHeaderFields];

37         

38         //mFileSize=[[httpResponseHeaderFields objectForKey:@"Content-Length"]longLongValue];

39         

40     }// 

41     

42 }

43 

44 -(void)connection:(NSURLConnection*)connection didFailWithError:(NSError*)error

45 

46 {// 

47     

48     NSLog(@"error");

49 }

50 

51 -(void)connection:(NSURLConnection*)connection didReceiveData:(NSData*)data

52 

53 {// ， ， 

54     

55     NSLog(@"receive");

56     

57     [self.data appendData:data];

58 //    

59 //    _displayLabel.text=[NSString stringWithFormat:(@"%6.1fkb/%6.1fkb"),[_datalength]/1024.0,mFileSize/1024.0];

60 //    

61 //    [_progressViewsetProgress:[_datalength]/(float)mFileSize];

62     

63 }

64 

65 -(void)connectionDidFinishLoading:(NSURLConnection*)connection

66 

67 {// 

68     

69     NSLog(@"Finish");

70     

71     NSString*filePath=[[NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES)objectAtIndex:0]stringByAppendingPathComponent:@"android.mp3"];

72     

73     [_data writeToFile:filePath atomically:NO];// Documents 。

74     

75     NSLog(@"%@",filePath);

76     

77 }