小编m__*_*ilk的帖子

我正在尝试使用 uiclloectionview 创建周日历。这是视图聚焦时的样子：

当我滚动到底部并滚动回顶部时的原始视图。由于滚动更改文本而消失的那些单元格。 滚动视图

这是我的代码：

@interface ViewController ()

@end

@implementation ViewController
@synthesize calendar;
- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    //[self.calendar setCollectionViewLayout:[[CalendarFlowLayout alloc]init]];
    timeline = [NSArray arrayWithObjects:@"8:00", @"9:00",@"10:00",@"11:00",@"12:00",@"13:00",@"14:00",@"15:00",@"16:00",@"17:00",@"18:00",@"19:00",@"20:00",@"21:00",@"22:00",nil];
    weekline=[NSArray arrayWithObjects:@"Mon", @"Tue",@"Wen",@"Thr",@"Fri",@"Sat",@"Sun",nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}
-(NSInteger) numberOfSectionsInCollectionView:(UICollectionView *)collectionView{
    return 1;
}
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section{
    return 128;
}
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath{
    UICollectionViewCell * …