登录界面

import UIKit

@UIApplicationMain

class AppDelegate: UIResponder, UIApplicationDelegate {

var window: UIWindow?

func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -> Bool {

self.window = UIWindow(frame: UIScreen.main.bounds)

self.window?.backgroundColor = #colorLiteral(red: 0.9764705896, green: 0.850980401, blue: 0.5490196347, alpha: 1)

self.window?.makeKeyAndVisible()

self.window?.rootViewController = UIViewController()

let aImageView = UIImageView(frame: CGRect(x: 150, y: 50, width: 100, height: 100))

aImageView.backgroundColor = #colorLiteral(red: 0.9098039269, green: 0.4784313738, blue: 0.6431372762, alpha: 1)

aImageView.image = UIImage(named:"photo")

aImageView.layer.cornerRadius = 50

aImageView.layer.masksToBounds = true

self.window?.addSubview(aImageView)

//Lable

let lable = UILabel(frame:CGRect(x: 50, y:180 , width:50, height: 30))

lable.backgroundColor = #colorLiteral(red: 0.9372549057, green: 0.3490196168, blue: 0.1921568662, alpha: 1)

lable.text = "账号"

lable.layer.cornerRadius = 5

lable.layer.masksToBounds = true

self.window?.addSubview(lable)

let lable2 = UILabel(frame:CGRect(x: 50, y: 240, width: 50, height: 30))

lable2.backgroundColor = #colorLiteral(red: 0.9372549057, green: 0.3490196168, blue: 0.1921568662, alpha: 1)

lable2.text = "密码"

lable2.layer.cornerRadius = 5

lable2.layer.masksToBounds = true

self.window?.addSubview(lable2)

//Textfield

let textField = UITextField(frame:CGRect(x: 110, y: 180, width: 250, height: 30))

textField.backgroundColor = #colorLiteral(red: 0.9098039269, green: 0.4784313738, blue: 0.6431372762, alpha: 1)

textField.placeholder = "请输入账号"

textField.layer.cornerRadius = 5

textField.layer.masksToBounds = true

self.window?.addSubview(textField)

let textField2 = UITextField(frame:CGRect(x: 110, y: 240, width: 250, height: 30))

textField2.backgroundColor = #colorLiteral(red: 0.9098039269, green: 0.4784313738, blue: 0.6431372762, alpha: 1)

textField2.placeholder = "请输入密码"

textField2.layer.cornerRadius = 5

textField2.layer.masksToBounds = true

self.window?.addSubview(textField2)

//button

let button = UIButton(type: .custom)

button.frame = CGRect(x: 70, y: 320, width: 80, height: 40)

button.backgroundColor = #colorLiteral(red: 0.9568627477, green: 0.6588235497, blue: 0.5450980663, alpha: 1)

button.setTitle("登录", for: .normal)

button.layer.cornerRadius = 5

button.layer.masksToBounds = true

self.window?.addSubview(button)

button.addTarget(self, action: #selector(buttonAction), for: .touchUpInside)

let button2 = UIButton(type: .custom)

button2.frame = CGRect(x: (self.window?.bounds.width)!-150, y: 320, width: 80, height: 40)

button2.backgroundColor = #colorLiteral(red: 0.9568627477, green: 0.6588235497, blue: 0.5450980663, alpha: 1)

button2.setTitle("注册", for: .normal)

button2.layer.cornerRadius = 5

button2.layer.masksToBounds = true

self.window?.addSubview(button2)

button2.addTarget(self, action: #selector(button2Action), for: .touchUpInside)

return true

}

func buttonAction(){

print("登录成功");

}

func button2Action(){

print("注册成功");

}