xcode视图纹理填充添加全屏背景图片swift代码

import UIKit

import Foundation

class ViewController: UIViewController {

    

    override func viewDidLoad() {

        super.viewDidLoad()

        // Do any additional setup after loading the view, typically from a nib.

        let image = UIImage(named: "wenli")

        let patternColor = UIColor.init(patternImage:image!)

        self.view.backgroundColor = patternColor

    }

    

    override func didReceiveMemoryWarning() {

        super.didReceiveMemoryWarning()

        // Dispose of any resources that can be recreated.

    }

    

    

}