（十二）swift UIButton 九宫格

超、凢脫俗 2022-08-18 11:42 251阅读 0赞

## 1. 固定4个数目 ##

![这里写图片描述][20151215103550776]

代码如下:

import UIKit  
import Cartography

class WorkViewController: UIViewController \{

override func viewDidLoad() {
    
    
        super.viewDidLoad()
    
    
        createButton_Salary()
    
        createButton_Notice();
    
        createButton_Contants();
    
        createButton_Calendar();
    
    
    
    }
    
    
    // 工资 （第一行 居中）
    func createButton_Salary() {
    
        let width = self.view.frame.width;
        let button_width = width / 4 ;  // button 的宽度
        let _top = (self.navigationController?.navigationBar.frame.height)! + 20 ; // (+20 statusBar)
    
        // ------------- button 的横纵坐标
        let x =  (width / 2) - button_width / 2; // 横坐标
        let y:CGFloat = _top + (button_width / 4) ;
    
        let button = UIButton(type: UIButtonType.System)
        button.frame = CGRectMake(x, y, button_width, button_width)
    
    
        button.backgroundColor = UIColor.blackColor();
        button.setTitle("工资", forState: UIControlState.Normal)
        //button.addTarget(self, action: "buttonPressed:", forControlEvents: UIControlEvents.TouchUpInside)
        self.view.addSubview(button)
    }
    
    // 通知（第一行 居左）
    func createButton_Notice() {
    
        let width = self.view.frame.width;
        let button_width = width / 4 ;  // button 的宽度
        let _top = (self.navigationController?.navigationBar.frame.height)! + 20 ; // (+20 statusBar);
    
        // ------------- button 的横纵坐标
        let x =  (width / 4) - (button_width / 2) -  (button_width / 4) ; // 横坐标
        let y:CGFloat = _top  + (button_width / 4) ;
    
        let button = UIButton(type: UIButtonType.System)
        button.frame = CGRectMake(x, y, button_width, button_width)
    
        button.backgroundColor = UIColor.blackColor();
        button.setTitle("通知", forState: UIControlState.Normal)
        //button.addTarget(self, action: "buttonPressed:", forControlEvents: UIControlEvents.TouchUpInside)
        self.view.addSubview(button)
    }
    
    // 通讯录（第一行 居右）
    func createButton_Contants() {
    
        let width = self.view.frame.width;
        let button_width = width / 4 ;  // button 的宽度
        let _top = (self.navigationController?.navigationBar.frame.height)! + 20 ; // (+20 statusBar);
    
        // ------------- button 的横纵坐标
        let x =  (width / 2) + (button_width / 2) + (button_width / 4) ;
        let y:CGFloat = _top  + (button_width / 4) ;
    
        let button = UIButton(type: UIButtonType.System)
        button.frame = CGRectMake(x, y, button_width, button_width)
    
        button.backgroundColor = UIColor.blackColor();
        button.setTitle("通讯", forState: UIControlState.Normal)
        //button.addTarget(self, action: "buttonPressed:", forControlEvents: UIControlEvents.TouchUpInside)
        self.view.addSubview(button)
    }
    
    // 日程（第二行 居左）
    func createButton_Calendar() {
    
        let width = self.view.frame.width;
        let button_width = width / 4 ;  // button 的宽度
        let _top = (self.navigationController?.navigationBar.frame.height)! + 20 ; // (+20 statusBar);
    
        // ------------- button 的横纵坐标
        let x =  (width / 4) - (button_width / 2) -  (button_width / 4) ; // 横坐标
        let y:CGFloat = _top  + button_width + (button_width / 2)  ;
    
    
        let button = UIButton(type: UIButtonType.System)
        button.frame = CGRectMake(x, y, button_width, button_width)
    
        button.backgroundColor = UIColor.blackColor();
        button.setTitle("日程", forState: UIControlState.Normal)
        //button.addTarget(self, action: "buttonPressed:", forControlEvents: UIControlEvents.TouchUpInside)
        self.view.addSubview(button)
    }
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

## 2. 数目自定 ##

![这里写图片描述][20151215103647747]

代码如下：  
import UIKit  
import Cartography

class WorkViewController: UIViewController \{

override func viewDidLoad() {
    
    
        super.viewDidLoad()
    
    
        CreateSudoku();
    
    }
    
    
    func CreateSudoku()
    {
    
        let width = self.view.frame.width;  // 屏幕宽度
        let button_width = width / 4 ;      // button 的宽度
        let _top = (self.navigationController?.navigationBar.frame.height)! + 20 ; // (+20 statusBar)
    
        var x:CGFloat = 0;   // 横坐标
        var y:CGFloat = _top ;   // 纵坐标
        var row_index:Int = 0;   // 行号
    
       for var i = 1 ; i <= 24 ;i++
        {
            y = _top;
    
            if i % 3 == 0
            {
                row_index = (i / 3) - 1;
            }
            else
            {
                row_index = (i / 3)
            }
    
    
            // ------------- button 的横坐标
            // 居左
            if i % 3 == 1
            {
                x =  (width / 4) - (button_width / 2) -  (button_width / 4) ; // 横坐标
            }
    
            // 居中
            if i % 3 == 2
            {
                x =  (width / 2) - button_width / 2; // 横坐标
            }
    
            // 居右
            if i % 3 == 0
            {
                x =  (width / 2) + (button_width / 2) + (button_width / 4) ;
    
            }
    
            // ------------- button 的纵坐标,使用循环，避免CGFLOAT * Init 的报错
            if row_index > 0
            {
                for var j = 0 ; j < row_index ; j++
                {
                    y += button_width ;
                }
            }
    
            // ---- 纵坐标 间距
            for var m = 0 ; m <= row_index ; m++
            {
                y += button_width / 4 ;
            }
    
            let button = UIButton(type: UIButtonType.System)
            button.frame = CGRectMake(x, y, button_width, button_width)
    
    
            button.backgroundColor = UIColor.blueColor();
            button.setTitle( String(i) , forState: UIControlState.Normal)
            self.view.addSubview(button)
    
    
        }
    
    }
    
    
    
    
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

[20151215103550776]: /images/20220731/a12733028f8c49d58e44cf322e7a948f.png
[20151215103647747]: /images/20220731/e5d148467a214b518ef1a455eef79cdb.png