UIImageView

UIImageView的常用方法UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(100, 200, 100, 200)];imgView.backgroundColor = [UIColor redColor];//设置图片imgView.image = [UIImage imageNamed:@"psb13.jpg"];[self.view addSubview:imgView];//设置图片显示类型/* UIViewContentModeScaleToFill, 拉伸内容布满整个视图,会导致内容变形 UIViewContentModeScaleAspectFit, 拉伸内容,内容比例不变 图片不会超出边界 UIViewContentModeScaleAspectFill, 拉伸内容,内容比例不变,但是会超出视图边界 */imgView.contentMode = UIViewContentModeScaleAspectFill;//    imgView.clipsToBounds = YES;