UIRefreshControl控件
var refreshControl = UIRefreshControl()
//添加刷新
refreshControl.addTarget(self, action: "refreshData", forControlEvents: UIControlEvents.ValueChanged)
UIRefreshControl控件
var refreshControl = UIRefreshControl()
//添加刷新
refreshControl.addTarget(self, action: "refreshData", forControlEvents: UIControlEvents.ValueChanged)