简单的Stift登录界面

import UIKit

classTestViewController:UIViewController{

    overridefuncviewDidLoad() {

        super.viewDidLoad()

        //标题

     self.title="会员注册"

        //设置灰色背景

        self.view.backgroundColor=UIColor(red:167/225, green:167/225, blue:167/225, alpha:1)

        //设置左上角的图标

        self.navigationItem.leftBarButtonItem = UIBarButtonItem(title: "<", style: UIBarButtonItem.Style.done, target: self, action: nil)

        //添加imgview

        letimgV =UIImageView(image:UIImage(named:"QQicon"))

        imgV.frame=CGRect(x: (self.view.frame.size.width-100)/2, y:130, width:100, height:100)

        imgV.layer.masksToBounds = true

        imgV.layer.cornerRadius = 50

        self.view.addSubview(imgV)

        //设置账号label

        letlab =UILabel(frame:CGRect(x:0, y:240, width:68, height:60))

        lab.text=" 🙍‍♂️账号"

        lab.textColor = UIColor.gray

        lab.font=UIFont.systemFont(ofSize:19)

        lab.backgroundColor = UIColor.white

        self.view.addSubview(lab)

        // 设置账号文本框

        lettf1 =UITextField(frame:CGRect(x:68, y:240, width:self.view.frame.size.width, height:60))

        //设置文本框的背景颜色

        tf1.backgroundColor = UIColor.white

        //输入文本框的提示文字

        tf1.placeholder="丨请输入手机号"

        //将文本框添加到界面上

        self.view.addSubview(tf1)

        //设置密码label

        letlab1 =UILabel(frame:CGRect(x:0, y:301, width:68, height:60))

        lab1.text=" 🔒密码"

        lab1.textColor = UIColor.gray

        lab1.font=UIFont.systemFont(ofSize:19)

        lab1.backgroundColor = UIColor.white

        self.view.addSubview(lab1)

        //设置密码输入框

        lettf2 =UITextField(frame:CGRect(x:68, y:301, width:self.view.frame.size.width, height:60))

        tf2.backgroundColor = UIColor.white

        tf2.placeholder="丨请输入密码"

        self.view.addSubview(tf2)

        //设置确认密码label

        letlab2 =UILabel(frame:CGRect(x:0, y:362, width:68, height:60))

        lab2.text=" 🔒密码"

        lab2.textColor = UIColor.gray

        lab2.font=UIFont.systemFont(ofSize:19)

        lab2.backgroundColor = UIColor.white

        self.view.addSubview(lab2)

        //创建确认密码输入框

        lettf3 =UITextField(frame:CGRect(x:68, y:362, width:self.view.frame.size.width, height:60))

        tf3.backgroundColor = UIColor.white

        tf3.placeholder="丨请在此输入密码"

        self.view.addSubview(tf3)

        // 设置登录按钮

        letbtn =UIButton(frame:CGRect(x:20, y:440, width: (self.view.frame.size.width-40), height:50))

        btn.setTitle("注册", for:UIControl.State.normal)

        btn.setTitleColor(UIColor.white, for: UIControl.State.normal)

        btn.backgroundColor=UIColor(red:43/225, green:145/225, blue:235/225, alpha:1)

        self.view.addSubview(btn)

        // 设置已有账号label

        letlabel =UILabel(frame:CGRect(x:270, y:500, width:100, height:30))

        label.text="已有账号?"

        label.textColor = UIColor.gray

        label.font=UIFont.systemFont(ofSize:15)

        self.view.addSubview(label)

        //设置登录button

        letbtn1 =UIButton(frame:CGRect(x:350, y:500, width:50, height:30))

        btn1.setTitle("登录", for:UIControl.State.normal)

        btn1.setTitleColor(UIColor(red:43/225, green:145/225, blue:251/225, alpha:1), for:UIControl.State.normal)

        btn1.layer.borderWidth=1

        btn1.layer.borderColor=UIColor(red:43/225, green:145/225, blue:251/225, alpha:1).cgColor

        self.view.addSubview(btn1)

    }

}