部分主要代码

    @IBOutlet weak var userTableView: UITableView!

    override func viewDidLoad() {
        super.viewDidLoad()
        //注册缓存标示
        refreshControl.addTarget(self, action: "refreshData", forControlEvents: UIControlEvents.ValueChanged)
        refreshControl.attributedTitle = NSAttributedString(string: "松手刷新数据")
        userTableView.addSubview(refreshControl)
        refreshData()
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }
    
    override func loadView() {
        super.loadView()
    }
    
    //在本例中，只有一个分区
    func numberOfSectionsInTableView(tableView: UITableView) -> Int {
        return 1;
    }

    // 删除部分开始
    //滑动删除必须实现的方法
    func tableView(tableView: UITableView,commitEditingStyle editingStyle: UITableViewCellEditingStyle,
        forRowAtIndexPath indexPath: NSIndexPath) {
            let index = indexPath.row
            self.dataArray.removeAtIndex(index)
            self.userTableView.deleteRowsAtIndexPaths([indexPath],
                withRowAnimation: UITableViewRowAnimation.Top)
    }
    
    //滑动删除
    func tableView(tableView: UITableView, editingStyleForRowAtIndexPath indexPath: NSIndexPath)
        -> UITableViewCellEditingStyle {
            return UITableViewCellEditingStyle.Delete
    }
    
    //修改删除按钮的文字
    func tableView(tableView: UITableView,
        titleForDeleteConfirmationButtonForRowAtIndexPath indexPath: NSIndexPath) -> String? {
            return "删除"
    }
    //删除部分结束