UITableView中每行多个单元格

import UIKit

class CustomTableViewCell: UITableViewCell {
    let cell1 = UILabel()
    let cell2 = UILabel()
    let cell3 = UILabel()

    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupCell()
    }

    required init?(coder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }

    func setupCell() {
        contentView.addSubview(cell1)
        contentView.addSubview(cell2)
        contentView.addSubview(cell3)

        cell1.translatesAutoresizingMaskIntoConstraints = false
        cell2.translatesAutoresizingMaskIntoConstraints = false
        cell3.translatesAutoresizingMaskIntoConstraints = false

        NSLayoutConstraint.activate([
            cell1.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10),
            cell1.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
            cell2.leadingAnchor.constraint(equalTo: cell1.trailingAnchor, constant: 10),
            cell2.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
            cell3.leadingAnchor.constraint(equalTo: cell2.trailingAnchor, constant: 10),
            cell3.centerYAnchor.constraint(equalTo: contentView.centerYAnchor),
        ])
    }
}

func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
    let cell = tableView.dequeueReusableCell(withIdentifier: "CustomTableViewCell", for: indexPath) as! CustomTableViewCell

    cell.cell1.text = "Cell 1"
    cell.cell2.text = "Cell 2"
    cell.cell3.text = "Cell 3"

    return cell
}