iOS UICollectionView与UITableView

 // 初始化瀑布流

 UICollectionViewFlowLayout *flowLayout = [[UICollectionViewFlowLayout alloc] init];

    [flowLayout setItemSize:CGSizeMake(150,120)]; //设置每个cell显示数据的宽和高必须

    flowLayout.sectionInset = UIEdgeInsetsMake(5, 5, 5, 5);

    flowLayout.minimumInteritemSpacing = 0;

    flowLayout.minimumLineSpacing = 0;

    [flowLayout setScrollDirection:UICollectionViewScrollDirectionHorizontal]; //水平滑动

    [flowLayout setScrollDirection:UICollectionViewScrollDirectionVertical]; //控制滑动分页用

    self.collectionView = [[UICollectionView alloc]initWithFrame:self.view.bounds collectionViewLayout:flowLayout];

    [self.view addSubview:self.collectionView];

    self.collectionView.backgroundColor = [UIColor whiteColor];

    [self.collectionView registerClass:[MyCell class] forCellWithReuseIdentifier:@"COllectioncell"];

    [self.collectionView setDataSource:self];

    [self.collectionView setDelegate:self];

    [self.view addSubview:self.collectionView];