UICollectionView做水平滑動分頁視圖

九宮格實現水平滾動，系統的UICollectionView滿足不了需求，參考網址點擊打開鏈接

.h文件

.m文件

調用

SSLHorizontalPageFlowlayout *

flowLayout = [[SSLHorizontalPageFlowlayout alloc] initWithRowCount:3 itemCountPerRow:4];

 [flowLayout setItemSize:CGSizeMake((WIDTH)/4, (WIDTH)/4-10-20)];//設置cell的尺寸

[flowLayout setScrollDirection:UICollectionViewScrollDirectionVertical];//設置其佈局方向

    

    flowLayout.minimumInteritemSpacing = 0; //定義左右cell的最小間距

    flowLayout.minimumLineSpacing = 0;//定義上下cell的最小間距

    flowLayout.sectionInset = UIEdgeInsetsMake(0, 0, 0, 0);//設置其邊界

_collectionView = [[UICollectionView alloc] initWithFrame:CGRectMake(0, 5, WIDTH, ((WIDTH)/4-10-20)*3) collectionViewLayout:flowLayout];

_collectionView.dataSource = self;

    _collectionView.delegate = self;

    _collectionView.backgroundColor = [UIColor whiteColor];

    [_collectionView registerClass:[SSLHomeItemCell class] forCellWithReuseIdentifier:@"SSLHomeItemCell"];

    [self.view addSubview:_collectionView];