ios学习之模糊效果的学习

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看了老郑的模糊效果，所以自己也做了一个，感觉还不错

用到以下知识

随后是代码部分的关联

一个是背景imageView.还有一个是前面的imageVIew

@IBOutlet var bg: UIImageView!    @IBOutlet var tuBiao: UIImageView!

随后在viewDIdLoad中添加如下代码

  //设置图标的圆角大小        tuBiao.layer.cornerRadius = 50        //这句话一定要设为true,否则无法出现圆角设置        tuBiao.clipsToBounds = true        //创建模糊效果实例,模糊效果的样式会有所不同        let alert = UIBlurEffect(style: UIBlurEffectStyle.Light)        //创建效果图实例，继承自模糊效果实例        let effectView = UIVisualEffectView(effect: alert)        //设置效果图的尺寸大小        effectView.frame.size = CGSizeMake(view.frame.size.width, view.frame.size.height)        //将view添加到自己的视图中        bg.addSubview(effectView)        super.viewDidLoad()        // Do any additional setup after loading the view, typically from a nib.    }

整体的代码如下

////  ViewController.swift//  shiyan25////  Created by HISE_CS on 15/10/13.//  Copyright © 2015年 HISE_CS. All rights reserved.//import UIKitclass ViewController: UIViewController {    @IBOutlet var bg: UIImageView!    @IBOutlet var tuBiao: UIImageView!    override func viewDidLoad() {        //设置图标的圆角大小        tuBiao.layer.cornerRadius = 50        //这句话一定要设为true,否则无法出现圆角设置        tuBiao.clipsToBounds = true        //创建模糊效果实例,模糊效果的样式会有所不同        let alert = UIBlurEffect(style: UIBlurEffectStyle.Light)        //创建效果图实例，继承自模糊效果实例        let effectView = UIVisualEffectView(effect: alert)        //设置效果图的尺寸大小        effectView.frame.size = CGSizeMake(view.frame.size.width, view.frame.size.height)        //将view添加到自己的视图中        bg.addSubview(effectView)        super.viewDidLoad()        // Do any additional setup after loading the view, typically from a nib.    }    override func didReceiveMemoryWarning() {        super.didReceiveMemoryWarning()        // Dispose of any resources that can be recreated.    }}

最后的效果图如图

感觉还是不错的

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