iOS为UIView设置阴影效果
UIView的阴影设置主要通过UIView的layer的相关属性来设置阴影的颜色imgView.layer.shadowColor = [UIColor blackColor].CGColor;阴影的透明度imgView.layer.shadowOpacity = 0.8f;阴影的圆角imgView.layer.shadowRadius = 4.f;阴影偏移量imgView.layer.shadowOffset = CGSizeMake(4,4);imgV...