ios獲取網絡圖片

//  ViewController.m

- (void)viewDidLoad {

    [super viewDidLoad];

    NSURL * url = [NSURL URLWithString:@"http://image.haha.mx/2012/02/20/middle/271953_3ae431722c9b29385b3fbea782549af8_1329743223.jpg"];

    NSData * imgData = [NSData dataWithContentsOfURL:url];

    UIImage * image = [UIImage imageWithData:imgData];

    UIImageView * imageView = [[UIImageView alloc] initWithFrame:CGRectMake(10, 20, 280, 300)];

    imageView.image = image;

    [self.view addSubview:imageView];

}