ViewController.h

1 #import 
     
       2 #import "ASIHTTPRequest.h" 3  4 @interface ViewController : UIViewController 5 
      
        6 { 7     UIImageView* imageView; 8 } 9 10 @end
      
     

ViewController.m

1 #import "ViewController.h" 2  3 @implementation ViewController 4  5 #pragma mark - viewDidLoad Event 6 -(void)initImageViewF 7 { 8     imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 320, 240)]; 9     [self.view addSubview:imageView];10     [imageView release];11 }12 -(void)startDownloadF13 {14     NSString* str = @"http://192.168.88.8/sns/my/headimage.php?uid=865";15     NSURL* url = [NSURL URLWithString:str];16     17     ASIHTTPRequest* request = [ASIHTTPRequest requestWithURL:url];18     request.tag = 10;19     request.delegate = self;20     //开始异步下载21     [request startAsynchronous];22 }23 24 #pragma mark - viewDidLoad25 - (void)viewDidLoad26 {27     [super viewDidLoad];28     //初始.h里的字段29     [self initImageViewF];30     //开始下载31     [self startDownloadF];32     33 }34 35 #pragma mark - ASIHTTPRequestDelegate36 //下载完成37 - (void)requestFinished:(ASIHTTPRequest *)request{38     if (request.tag == 10) {39         40     }41     //如果下载的内容是字符串42     //NSString* str = request.responseString;43     //如果下载的是数据44     NSData* data = request.responseData;45     UIImage* image = [UIImage imageWithData:data];46     imageView.image = image;47 }48 //下载失败49 - (void)requestFailed:(ASIHTTPRequest *)request{50     NSLog(@"下载失败");51 }