button.layer.shadowColor = [UIColor blackColor].CGColor//阴影颜色
button.layer.shadowOffset = CGSizeMake(1, 1)//偏移距离
button.layer.shadowOpacity = 0.5//不透明度
button.layer.shadowRadius = 5.0//半径
- (void)addShadowColor {
//添加显示
UIImage *image = [UIImage imageNamed:@"小可爱"]//IMG_2683.jpg
UIImageView *imageView = [[UIImageView alloc] initWithImage:image]
imageView.contentMode = UIViewContentModeScaleAspectFill
imageView.frame = CGRectMake(50, 100, 200, 300)
//添加边框
// CALayer *layer = [imageView layer]
//
// layer.borderColor = [[UIColor redColor] CGColor]
//
// layer.borderWidth = 0.5f
//添加四个边阴影
// imageView.layer.shadowColor = [UIColor redColor].CGColor//阴影颜色
// imageView.layer.shadowOffset = CGSizeMake(0, 0)//偏移距离
// imageView.layer.shadowOpacity = 0.5//不透明度
// imageView.layer.shadowRadius = 10.0//半径
//添加两个边阴影
imageView.layer.shadowColor = [UIColor blueColor].CGColor//阴影颜色
imageView.layer.shadowOffset = CGSizeMake(4, 4)//偏移距离
imageView.layer.shadowOpacity = 0.5//不透明度
imageView.layer.shadowRadius = 2.0//半径
[self.view addSubview:imageView]
}
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