[iOS]UIView添加阴影

本文主要是介绍[iOS]UIView添加阴影，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！

- (void)viewDidLoad {[super viewDidLoad];[self addShadowToView:_floatView withColor:[UIColor blackColor]];
}/// 添加四边阴影效果
- (void)addShadowToView:(UIView *)theView withColor:(UIColor *)theColor {// 阴影颜色theView.layer.shadowColor = theColor.CGColor;// 阴影偏移，默认(0, -3)theView.layer.shadowOffset = CGSizeMake(0,0);// 阴影透明度，默认0theView.layer.shadowOpacity = 0.5;// 阴影半径，默认3theView.layer.shadowRadius = 5;
}

/// 添加单边阴影效果
- (void)addShadowToView:(UIView *)theView withColor:(UIColor *)theColor {theView.layer.shadowColor = theColor.CGColor;theView.layer.shadowOffset = CGSizeMake(0,0);theView.layer.shadowOpacity = 0.5;theView.layer.shadowRadius = 5;// 单边阴影 顶边float shadowPathWidth = theView.layer.shadowRadius;CGRect shadowRect = CGRectMake(0, 0-shadowPathWidth/2.0, theView.bounds.size.width, shadowPathWidth);UIBezierPath *path = [UIBezierPath bezierPathWithRect:shadowRect];theView.layer.shadowPath = path.CGPath;
}

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