{
UIImageView *vi;
}
{
[super viewDidLoad];
//设置按钮
UIButton *bu=[[UIButton alloc]initWithFrame:CGRectMake(40, 40, 150, 44)];
[bu setTitle:@"下载图片" forState:UIControlStateNormal];
[bu addTarget:self action:@selector(fan) forControlEvents:UIControlEventTouchUpInside];
bu.backgroundColor=[UIColor redColor];
[self.view addSubview:bu];
vi=[[UIImageView alloc]initWithFrame:CGRectMake(40, 120, 300, 200)];
[self.view addSubview:vi];
}
-(void)fan
{
NSString *str=[NSString stringWithFormat:@"http://pic1.zhimg.com/v2-7f69a4fc4a0aa84178074d83aef7ac30_r.jpg"];
NSURL *url=[NSURL URLWithString:str];
NSURLRequest *req=[[NSURLRequest alloc]initWithURL:url];
NSURLResponse *resq=[[NSURLResponse alloc]init];
NSData *da=[NSURLConnection sendSynchronousRequest:req returningResponse:&resq error:nil];
vi.image=[UIImage imageWithData:da];
}
