添加阴影圆角

iOS UIView添加陰影 (UIView add shadow)

step1: add QuartzCore.framework

step2: #import <QuartzCore/QuartzCore.h>

step3: use code



[[myView layer] setShadowOffset:CGSizeMake(5, 5)];

[[myView layer] setShadowRadius:6];

[[myView layer] setShadowOpacity:1];

[[myView layer] setShadowColor:[UIColor blueColor].CGColor];

2.添加圆

btn.layer.cornerRadius=8;

btn.layer.masksToBounds =YES;//使用边界来做遮罩

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