iOS常用技术-国际象棋布局

 1 //
 2 //  ViewController.m
 3 //  国际象棋
 4 //
 5 //  Created by 大欢 on 16/1/19.
 6 //  Copyright © 2016年 bjsxt. All rights reserved.
 7 //
 8 
 9 #import "ViewController.h"
10 
11 @interface ViewController ()
12 
13 @end
14 
15 @implementation ViewController
16 
17 - (void)viewDidLoad {
18     
19     [super viewDidLoad];
20    
21     NSArray * array = @[@"车",@"马",@"象",@"王",@"后",@"象",@"马",@"车"];
22     
23     CGFloat width = CGRectGetWidth(self.view.frame)/8;
24     
25     for (int i = 0; i < 8; i++) {
26         for (int j = 0; j < 8;j++) {
27             
28             UILabel * label = [[UILabel alloc] initWithFrame:CGRectMake(j * width, i * width + 20, width, width)];
29             label.textAlignment = NSTextAlignmentCenter;
30             if ((i + j)%2 == 0) {
31                 label.backgroundColor = [UIColor blackColor];
32             } else {
33                 label.backgroundColor = [UIColor whiteColor];
34             }
35             
36             if (i == 0 || i == 7) {
37                 label.text = array[j];
38             }
39             
40             if (i == 1 || i == 6) {
41                 label.text = @"兵";
42             }
43             
44             if (i == 0 || i == 1) {
45                 label.textColor = [UIColor redColor];
46             }
47             
48             if (i == 6 || i == 7) {
49                 label.textColor = [UIColor greenColor];
50             }
51  
52             [self.view addSubview:label];
53         }
54     } 
55 }
56 @end