快速开始

override func viewDidLoad() {
    super.viewDidLoad()
    let refresh = LRefreshControl()
    tableView.addSubview(refresh)
    refresh.refreshHandler = {
      /** insert your refresh action here **/
      DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 2) {
     /** Do not forget call endRefreshing when loading end **/
        self.refresh.endRefreshing()
      }
    }
}

环境

Xcode 8 / Swift 3

安装

pod ‘LRefresh’