iOS 简单实现毛玻璃效果

class LANVisualEffectView{

   
   
    func EffectView(targetView:UIView){
       
        let blur=UIBlurEffect(style:UIBlurEffectStyle.Light)
        let effectview=UIVisualEffectView(effect: blur)
        effectview.frame=CGRectMake(0,0, targetView.frame.width, targetView.frame.height)
        targetView.addSubview(effectview)
       
       
    }

}