选中状态已清除deleteItemsAtIndexPaths上UICollectionViewCell中的UIButton

import UIKit

class CustomCollectionViewCell: UICollectionViewCell {
    var button: UIButton!
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
        // 创建UIButton实例
        button = UIButton(type: .system)
        button.frame = CGRect(x: 0, y: 0, width: frame.width, height: frame.height)
        button.setTitle("Button", for: .normal)
        button.addTarget(self, action: #selector(buttonTapped), for: .touchUpInside)
        
        // 将UIButton添加到cell的contentView上
        contentView.addSubview(button)
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    @objc func buttonTapped() {
        // 处理UIButton的点击事件
        button.isSelected = !button.isSelected
        
        // 刷新cell的UI
        if let collectionView = superview as? UICollectionView,
           let indexPath = collectionView.indexPath(for: self) {
            collectionView.reloadItems(at: [indexPath])
        }
    }
}

class ViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate {
    var collectionView: UICollectionView!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        // 创建UICollectionView实例
        let layout = UICollectionViewFlowLayout()
        collectionView = UICollectionView(frame: view.bounds, collectionViewLayout: layout)
        collectionView.dataSource = self
        collectionView.delegate = self
        collectionView.register(CustomCollectionViewCell.self, forCellWithReuseIdentifier: "Cell")
        view.addSubview(collectionView)
    }
    
    // UICollectionViewDataSource方法
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        return 10
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath) as! CustomCollectionViewCell
        
        // 根据UIButton的选中状态更新UI
        if cell.button.isSelected {
            cell.button.backgroundColor = .green
        } else {
            cell.button.backgroundColor = .red
        }
        
        return cell
    }
    
    // UICollectionViewDelegate方法
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        // 处理cell的选择事件
    }
    
    func collectionView(_ collectionView: UICollectionView, didDeselectItemAt indexPath: IndexPath) {
        // 处理cell的取消选择事件
    }
}