typedef NS_ENUM(NSInteger, UIBlurEffectStyle) {
UIBlurEffectStyleExtraLight,
UIBlurEffectStyleLight,
UIBlurEffectStyleDark
} NS_ENUM_AVAILABLE_IOS(8_0);
UIBlurEffect *blurEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleDark];
UIVisualEffectView *blurEffectView = [[UIVisualEffectView alloc] initWithEffect:blurEffect];
blurEffectView.frame = self.imageView.bounds;
[self.imageView insertSubview:blurEffectView atIndex:0];
原创文章，作者：ItWorker，如若转载，请注明出处：https://blog.ytso.com/tech/aiops/3306.html