这是一个打地鼠的游戏：一共拖了9个Buttor按钮，设置地鼠间隔一定时间随机出现，鼠标点一次加一分。

 

ViewController.h文件：

#import <UIKit/UIKit.h>

@interface ViewController : UIViewController

@property (weak, nonatomic) IBOutlet UIButton *name9;

@property (weak, nonatomic) IBOutlet UIButton *name8;@property (weak, nonatomic) IBOutlet UIButton *name7;@property (weak, nonatomic) IBOutlet UIButton *name6;@property (weak, nonatomic) IBOutlet UIButton *name5;@property (weak, nonatomic) IBOutlet UIButton *name4;@property (weak, nonatomic) IBOutlet UIButton *name3;@property (weak, nonatomic) IBOutlet UIButton *name2;@property (weak, nonatomic) IBOutlet UIButton *name1;

-(void)play;

- (IBAction)DiDong9:(id)sender;

- (IBAction)DiDong8:(id)sender;- (IBAction)DiDong7:(id)sender;- (IBAction)DiDong6:(id)sender;- (IBAction)DiDong5:(id)sender;- (IBAction)DiDong4:(id)sender;- (IBAction)DiDong3:(id)sender;- (IBAction)DiDong2:(id)sender;- (IBAction)DiDong1:(id)sender;@property (nonatomic,strong) NSTimer * time;

@property (weak, nonatomic) IBOutlet UILabel *score;

@end

ViewController.m文件：

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {

    [super viewDidLoad];    // Do any additional setup after loading the view, typically from a nib.    _time =[NSTimer scheduledTimerWithTimeInterval:1.0f target:self selector:@selector(play) userInfo:nil repeats:YES];}

- (void)didReceiveMemoryWarning {

    [super didReceiveMemoryWarning];    // Dispose of any resources that can be recreated.}

int saveInt;

-(void)play{     int suiji = arc4random()%9;    saveInt = suiji;    

    //将9个地洞放在一个数组里，每次随机一个地鼠出来

    NSArray *array = @[_name1, _name2, _name3, _name4, _name5, _name6,_name7, _name8, _name9];    for (int i = 0; i < 9; i++) {         [array[i] setTitle:@"" forState:UIControlStateNormal];        [array[suiji] setTitle:@"地鼠" forState:UIControlStateNormal];        }}

- (IBAction)DiDong9:(id)sender {

    if (saveInt == 8) {

     //判断每次鼠标点击的与随机出现的地鼠是否一致，如果一致加一分

        _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }

}

- (IBAction)DiDong8:(id)sender {

    if (saveInt == 7) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }}

- (IBAction)DiDong7:(id)sender {

    if (saveInt == 6) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong6:(id)sender {

    if (saveInt == 5) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong5:(id)sender {

    if (saveInt == 4) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong4:(id)sender {

    if (saveInt == 3) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong3:(id)sender {

    if (saveInt == 2) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong2:(id)sender {

    if (saveInt == 1) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }}

- (IBAction)DiDong1:(id)sender {

    NSLog(@"%d", saveInt);    if (saveInt == 0) {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] + 1];    }else    {         _score.text = [NSString stringWithFormat:@"%d", [_score.text intValue] - 1];    }    }@end