iOS 点击UIButton切换数组元素

#import "ViewController.h"

@interface ViewController ()

{

   NSMutableArray *DataArray;

   int page;

}

///数组元素

@property (weak, nonatomic) IBOutletUILabel *NumberLabel;

@end

@implementation ViewController

- (void)viewDidLoad {

    [superviewDidLoad];

    DataArray=[NSMutableArrayarray];

   page=0;

     NSArray *array =@[@"你",@"我",@"他",@"哈",@"合",@"张",@"值",@"器",@"9",@"10",@"11"];

    [DataArrayaddObjectsFromArray:array];

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

}

- (void)didReceiveMemoryWarning {

    [superdidReceiveMemoryWarning];

    // Dispose of any resources that can be recreated.

}

- (IBAction)NextBtn:(UIButton *)sender {

    

       page++;

   if (page < DataArray.count-1) {

        

         self.NumberLabel.text=[DataArrayobjectAtIndex:page];

    }else{

        sender.enabled=NO;

    }

   

}