self.imageview=[[UIImageView alloc] init];
self.imageview.frame=CGRectMake(100, 100, 100, 100);
[self.view addSubview:self.imageview];
self.imageview.layer.borderWidth=2;
self.imageview.layer.borderColor=[UIColor whiteColor].CGColor;
self.imageview.layer.masksToBounds=YES;
self.imageview.layer.cornerRadius=10;
self.imageview.image=[UIImage imageNamed:@"weibo"];
}