以编程方式创建的UITableViewCell仅使用AutoLayout显示其第一个子视图

class CustomTableViewCell: UITableViewCell {
    var customLabel: UILabel!

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

        // 创建并配置第一个子视图
        customLabel = UILabel()
        customLabel.translatesAutoresizingMaskIntoConstraints = false
        contentView.addSubview(customLabel)

        // 添加AutoLayout约束
        NSLayoutConstraint.activate([
            customLabel.leadingAnchor.constraint(equalTo: contentView.leadingAnchor, constant: 10),
            customLabel.topAnchor.constraint(equalTo: contentView.topAnchor, constant: 10),
            customLabel.trailingAnchor.constraint(equalTo: contentView.trailingAnchor, constant: -10),
            customLabel.bottomAnchor.constraint(equalTo: contentView.bottomAnchor, constant: -10)
        ])
    }

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