//导入第三方库头文件UIImage+ImageEffects
//创建模糊对象并指定模糊类型毛玻璃类
UIBlurEffect *blureEffect = [UIBlurEffect effectWithStyle:UIBlurEffectStyleExtraLight];
//可视的模糊视图
UIVisualEffectView *VisualView = [[UIVisualEffectView alloc] initWithEffect:blureEffect];
//模糊区域
VisualView.frame=self.view.bounds;
//设置模糊视图透明度
VisualView.alpha= 0.1;
//[self.view addSubview:VisualView];
[imageView addSubview:VisualView];