iOS开发 Swift开发数独游戏（五）显示游戏答案

要点是设置好Tag就好，通过代码找到并初始化即可。

//
//  ShowAnswerController.swift
//  sudoku-v02
//
//  Created by 张泽阳 on 2/22/15.
//  Copyright (c) 2015 张泽阳. All rights reserved.
//

import Foundation
import UIKit
@IBDesignable
class ShowAnswerController: UIViewController {
    // MARK: - 变量
    @IBOutlet weak var av: UIView!
    var ans:String?
    var mans:NSString?
    override func viewDidLoad() {
//        println(ans)
//        for i in 1...9 {
//        println(av.viewWithTag(i))
//        }
        mans = ans
        initCells()
    }
    // MARK: - 初始化单元格
    func initCells()
    {
        av.layer.borderWidth = 4
        for bc in av.subviews {
            var a = bc.tag % 10
            bc.layer.borderWidth = 2
            for sbc in bc.subviews {
                var b = sbc.tag
//                sbc.layer.borderWidth = 1
                var ii = ((a-1)/3)*3+(b-1)/3
                var jj = ((a-1)%3)*3 + (b-1)%3
                println("a(a)b(b)i(ii)j(jj)")
                var sub = mans?.substringWithRange(NSMakeRange(((ii)*9)+jj,1))
                (sbc as UIButton).setTitle(sub, forState: UIControlState.Normal)
//                println("sbc (sbc) a(a)b(b)sub(sub)")
            }
        }
    }
    // MARK: - 后退
    @IBAction func back(sender: AnyObject) {
        self.dismissViewControllerAnimated(true, completion: nil)
    }
}