iOS scrollview视窗滑动

最新推荐文章于 2024-04-26 21:55:46 发布

Andyjicw

最新推荐文章于 2024-04-26 21:55:46 发布

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分类专栏： iOS 移动开发

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本文介绍了一个iOS应用中的视图控制器实现方法，详细展示了如何设置视图控制器中的UIScrollView，并通过循环创建并添加多个UIButton实例到UIScrollView中，每个按钮关联特定的数据模型，实现了按钮点击事件的响应。

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#import "ViewController.h"
#import "testmenuEntity.h"
@interface ViewController ()

@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    _scrollview.backgroundColor = [UIColor blueColor];
    _scrollview2.backgroundColor = [UIColor yellowColor];
//    _scrollview.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
    
    
}

-(void) viewDidAppear:(BOOL)animated
{
    _scrollview.contentSize = CGSizeMake(190, 1200);
    _scrollview2.contentSize = CGSizeMake(150, 1000);
}
- (IBAction)addButton:(id)sender {
    
//    NSArray
//    NSMutableArray
    NSMutableArray *allmenu = [[NSMutableArray alloc] init];
    
    int i = 0;
    for(i = 0; i < 10; i++)
    {
        
        testmenuEntity *e = [[testmenuEntity alloc] init];
        e.mid = 10;
        e.mprice = 100.5;
        e.mname = [NSString stringWithFormat:@"%@", @"菜类型1" ];
        
        [allmenu addObject:e];
        
        
        testmenuEntity *e2 = [[testmenuEntity alloc] init];
        e2.mid = 11;
        e2.mprice = 100.5;
        e2.mname = [NSString stringWithFormat:@"%@", @"菜类型2" ];
        
        [allmenu addObject:e2];
    }
    
    for(i = 0 ; i < [allmenu count]; i++)
    {
        testmenuEntity *tmpe = [allmenu objectAtIndex:i];
        
        //动态添加一个按钮
        CGRect frame = CGRectMake(0, 0+55*i, 300, 50);
        UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
        button.frame = frame;
        
        NSString *xxx = [NSString stringWithFormat:@"按钮:%d, %@", tmpe.mid, tmpe.mname];
        [button setTitle:xxx forState: UIControlStateNormal];
        button.backgroundColor = [UIColor redColor];
        button.tag = tmpe.mid;
        [button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
//        [self.view addSubview:button];
        [_scrollview addSubview:button];
    }
}
//这个是新按钮的响应函数
-(IBAction) buttonClicked:(id)sender {
    
    NSLog(@"11111");
    
    NSMutableArray *allmenu = [[NSMutableArray alloc] init];
    
    int i = 0;
    for(i = 0; i < 2; i++)
    {
        
        testmenuEntity *e = [[testmenuEntity alloc] init];
        e.mid = 10;
        e.mprice = 100.5;
        e.mname = [NSString stringWithFormat:@"%@", @"菜类型1" ];
        
        [allmenu addObject:e];
        
        
        testmenuEntity *e2 = [[testmenuEntity alloc] init];
        e2.mid = 11;
        e2.mprice = 100.5;
        e2.mname = [NSString stringWithFormat:@"%@", @"菜类型2" ];
        
        [allmenu addObject:e2];
    }
    
    for(i = 0 ; i < [allmenu count]; i++)
    {
        testmenuEntity *tmpe = [allmenu objectAtIndex:i];
        
        //动态添加一个按钮
        CGRect frame = CGRectMake(0, 0+55*i, 300, 50);
        UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect];
        button.frame = frame;
        
        NSString *xxx = [NSString stringWithFormat:@"按钮:%d, %@", tmpe.mid, tmpe.mname];
        [button setTitle:xxx forState: UIControlStateNormal];
        button.backgroundColor = [UIColor redColor];
        button.tag = tmpe.mid;
        [button addTarget:self action:@selector(buttonClicked:) forControlEvents:UIControlEventTouchUpInside];
        //        [self.view addSubview:button];
        [_scrollview2 addSubview:button];
    }
}



@end