//

//  ViewController.m

//  对对碰

//

//  Created by 杨晓鸣 on 16/9/19.

//  Copyright 2016年 杨晓鸣. All rights reserved.

//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];

    // Do any additional setup after loading the view, typically from a nib.

    NSMutableArray* arrStr = [[NSMutableArray alloc]init];

    for (int k = 0; k<18; k++) {

        int random = arc4random()%7+1;

        NSString* strName = [NSString stringWithFormat:@"%d",random];

        [arrStr addObject:strName];

        [arrStr addObject:strName];

    }

    //循环创建36个按钮

    for (int i = 0; i<6; i++) {

        for (int j = 0; j<6; j++)

        {

            UIButton* btn = [UIButton buttonWithType:UIButtonTypeCustom];

            [UIView beginAnimations:nil context:nil];

            btn.frame = CGRectMake(160, 160, 50, 50);

            [UIView setAnimationDuration:2];

            btn.frame = CGRectMake(10+50*j, 40+50*i, 50, 50);

            [UIView commitAnimations];

            //产生随机图片

            int indexramdom = arc4random() % arrStr.count;

            //从图像数组中取出文件名

            NSString* strImage = arrStr[indexramdom];

            NSInteger tag = [strImage integerValue];

            [arrStr removeObjectAtIndex:indexramdom];

            UIImage* image = [UIImage imageNamed:strImage];

            [btn setImage:image forState:UIControlStateNormal];

            [btn addTarget:self action:@selector(pressBtn:) forControlEvents:UIControlEventTouchUpInside];

            [self.view addSubview:btn];

            //将按钮的标志位赋值

            btn.tag = tag;

        }

    }

}

-(void) pressBtn:(UIButton*) btn

{

    //创建一个静态变量 保存第一次按下的按钮

    static UIButton* btnFirst = nil;

    if (btnFirst == nil) {

        btnFirst = btn;

        //锁定第一个按钮

        btnFirst.enabled = NO;

    }

    else{

        //两个图片相同

        if (btnFirst.tag == btn.tag) {

            btnFirst.hidden = YES;

            btn.hidden = YES;

            btnFirst = nil;

        }

        //按钮图片不相同

        else{

            btnFirst.enabled = YES;

            btnFirst = nil;

        }

    }

}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

@end

基于oc的不完整对对碰