1.tableview 

private lazy var cellId = "cellId"    fileprivate lazy var tv : UITableView = {        let tv = UITableView(frame: CGRect.zero, style: UITableView.Style.grouped)        tv.register(UITableViewCell.self, forCellReuseIdentifier: cellId)        tv.translatesAutoresizingMaskIntoConstraints = false        tv.separatorStyle = .none        tv.backgroundColor = UIColor.white        tv.delegate = self        tv.dataSource = self        tv.bounces = false        return tv    }()    // MARK: - UITableViewDelegate, UITableViewDataSource    extension JYJYRtbMineVc:UITableViewDelegate, UITableViewDataSource{        func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {            return 1        }                func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {            let cell = tableView.dequeueReusableCell(withIdentifier: cellId, for: indexPath)                        return cell        }    }

　　

2.流水布局

let JYLoadImageCollectionCellId = "JYLoadImageCollectionCell"    let JYAddImageCollectionCellId = "JYAddImageCollectionCell"    private lazy var collectionView: UICollectionView = {        let layout = UICollectionViewFlowLayout()        let itemWidth = CGFloat(Int((JY_DEVICE_WIDTH - 10 * 4)/3))        let itemHeight = itemWidth        layout.itemSize = CGSize(width: itemWidth, height: itemHeight)        layout.minimumLineSpacing = 0        layout.minimumInteritemSpacing = 0        layout.sectionInset = UIEdgeInsets(top: 0, left: 10, bottom: 0, right: 10)                let collectionV = UICollectionView(frame: CGRect.zero, collectionViewLayout: layout)        collectionV.translatesAutoresizingMaskIntoConstraints = false        //        collectionV.register(UINib.init(nibName: "JYChooseShopTimeCollectionCell", bundle: nil), forCellWithReuseIdentifier: "JYChooseShopTimeCollectionCell")        collectionV.register(JYLoadImageCollectionCell.classForCoder(), forCellWithReuseIdentifier: JYLoadImageCollectionCellId)        collectionV.register(JYAddImageCollectionCell.classForCoder(), forCellWithReuseIdentifier: JYAddImageCollectionCellId)        collectionV.delegate = self        collectionV.dataSource = self        collectionV.backgroundColor = .white        collectionV.showsHorizontalScrollIndicator = false        collectionV.showsVerticalScrollIndicator = false                return collectionV    }()    extension JYShopDetailFigureVc:UICollectionViewDataSource, UICollectionViewDelegate,UICollectionViewDelegateFlowLayout{        func numberOfSections(in collectionView: UICollectionView) -> Int {            return 1        }                func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {            return 1        }                func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {                        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: JYAddImageCollectionCellId, for: indexPath) as! JYAddImageCollectionCell            return cell        }                func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {        }    }