swift-tableView 代理方法实现点击按钮删除效果

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import UIKit

protocol FirstTableViewCellDelegate: NSObjectProtocol {
    
    func deleteCell(cell: FirstTableViewCell,button: UIButton)
}

class FirstTableViewCell: UITableViewCell {
    @IBOutlet weak var myLabel: UILabel!
    @IBOutlet weak var myButton: UIButton!

    weak var delegate:FirstTableViewCellDelegate?
    
    override func awakeFromNib() {
        super.awakeFromNib()
        prepareUI()
        // Initialization code
    }

    override func setSelected(selected: Bool,animated: Bool) {
        super.setSelected(selected,animated: animated)

        // Configure the view for the selected state
    }
    
    func prepareUI() {
        
        myButton.setTitle("删除",forState: UIControlState.Normal)
        myButton.backgroundColor = UIColor.redColor()
        myButton.layer.cornerRadius = 15
        myButton.layer.masksToBounds = true
        myButton.setTitleColor(UIColor.whiteColor(),forState: UIControlState.Normal)
        myButton.addTarget(self,action: "BtnClick:",forControlEvents: UIControlEvents.TouchUpInside)
    }
    
    @objc private func BtnClick(button:UIButton){
        
        delegate?.deleteCell(self,button: button)
    }
    
}

import UIKit

class FirstViewController: UIViewController {

    @IBOutlet weak var tableView: UITableView!
    
    let cellIdentified = "cell"
    var numbers = ["One","Two","Three","Foure","Five","Six","Seven","Eight","Nine","Ten"];
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // 准备UI
        prepareUI()
        // Do any additional setup after loading the view.
    }

   private func prepareUI() {
    
        navigationItem.title = "首页"
    
        tableView.delegate = self
        tableView.dataSource = self
    
//        tableView.registerClass(UITableViewCell.self,forCellReuseIdentifier: cellIdentified)
        tableView.registerNib(UINib(nibName: "FirstTableViewCell",bundle: nil),forCellReuseIdentifier: cellIdentified)
    
    
    
    }
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    func tableView(tableView: UITableView,commitEditingStyle editingStyle: UITableViewCellEditingStyle,forRowAtIndexPath indexPath: NSIndexPath) {
        if editingStyle == UITableViewCellEditingStyle.Delete {
            numbers.removeAtIndex(indexPath.row)
            tableView.deleteRowsAtIndexPaths([indexPath],withRowAnimation: UITableViewRowAnimation.Automatic)
        }
    }

    /*
    // MARK: - Navigation

    // In a storyboard-based application,you will often want to do a little preparation before navigation
    override func prepareForSegue(segue: UIStoryboardSegue,sender: AnyObject?) {
        // Get the new view controller using segue.destinationViewController.
        // Pass the selected object to the new view controller.
    }
    */
    

}

extension FirstViewController:UITableViewDelegate,UITableViewDataSource,FirstTableViewCellDelegate {
    
    func tableView(tableView: UITableView,cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
        
//        let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentified,forIndexPath: indexPath) 
        let cell = tableView.dequeueReusableCellWithIdentifier(cellIdentified,forIndexPath: indexPath) as! FirstTableViewCell
        
//        cell.textLabel?.text = numbers[indexPath.row]
        cell.myLabel.text = numbers[indexPath.row]
        cell.delegate = self
        cell.selectionStyle = UITableViewCellSelectionStyle.None
        return cell
    }
    
    func tableView(tableView: UITableView,numberOfRowsInSection section: Int) -> Int {
        return numbers.count
    }
    
    
    func deleteCell(cell: FirstTableViewCell,button: UIButton) {
        
        let idx:NSIndexPath = tableView.indexPathForCell(cell)!
        
        numbers.removeAtIndex(idx.row)
        tableView.deleteRowsAtIndexPaths([idx],withRowAnimation: UITableViewRowAnimation.Top)
    }
}



原文链接:https://www.f2er.com/swift/325136.html

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