iOS UIImageView

//获取本地图片
    UIImageView *imgV=[[UIImageView alloc]initWithFrame:self.view.frame];
    UIImage *imge=[UIImage imageNamed:@"456.jpg"];
    imgV.image=imge;
    [self.view addSubview:imgV];
    //获取网络图片
    NSString *urlString=@"http://pic2.ooopic.com/01/03/51/25b1OOOPIC19.jpg";
    //将网址字符串转换成url
    NSURL *url=[NSURL URLWithString:urlString];
    //将url转化成data类型
    NSData *urldata=[NSData dataWithContentsOfURL:url];
    UIImage *inmagenow=[UIImage imageWithData:urldata];
    UIImageView *imagenowV=[[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 750/2, 1334/2)];
    imagenowV.image=inmagenow;
    [self.view addSubview:imagenowV];