iOS常用技术-国际象棋布局

//
//  ViewController.m
//  国际象棋
//
//  Created by 大欢 on 16/1/19.
//  Copyright © 2016年 bjsxt. All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    
    [super viewDidLoad];
   
    NSArray * array = @[@"车",@"马",@"象",@"王",@"后",@"象",@"马",@"车"];
    
    CGFloat width = CGRectGetWidth(self.view.frame)/8;
    
    for (int i = 0; i < 8; i++) {
        for (int j = 0; j < 8;j++) {
            
            UILabel * label = [[UILabel alloc] initWithFrame:CGRectMake(j * width, i * width + 20, width, width)];
            label.textAlignment = NSTextAlignmentCenter;
            if ((i + j)%2 == 0) {
                label.backgroundColor = [UIColor blackColor];
            } else {
                label.backgroundColor = [UIColor whiteColor];
            }
            
            if (i == 0 || i == 7) {
                label.text = array[j];
            }
            
            if (i == 1 || i == 6) {
                label.text = @"兵";
            }
            
            if (i == 0 || i == 1) {
                label.textColor = [UIColor redColor];
            }
            
            if (i == 6 || i == 7) {
                label.textColor = [UIColor greenColor];
            }
 
            [self.view addSubview:label];
        }
    } 
}
@end