IOS UIRefreshControl刷新控件

import UIKit
class ViewController：UIViewController,UITableViewDelegate,UITableViewDataSource{
@IBOutlet weak var tabvLayout：UITableView!
var refreshControl = UIRefreshControl()
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
self.automaticallyAdjustsScrollViewInsets = false
//添加刷新
refreshControl.addTarget(self, action：#selector(refreshData), for： UIControlEvents.valueChanged)
refreshControl.attributedTitle =NSAttributedString(string：”松开后自动刷新”)
tabvLayout.addSubview(refreshControl)
refreshData()
}
// 刷新数据
func refreshData() {
self.tabvLayout.reloadData()
self.refreshControl.endRefreshing()
}
// MARK：- UITableViewDataSource
func tableView(_ tableView：UITableView,numberOfRowsInSection section：Int) -> Int {
return 10;
}
func tableView(_ tableView：UITableView,cellForRowAt indexPath：IndexPath) -> UITableViewCell {
let cell = UITableViewCell(style：UITableViewCellStyle.value1, reuseIdentifier：“newsCell”)
let date = NSDate()
let timeFormatter = DateFormatter()
timeFormatter.dateFormat = “yyy-MM-dd ‘at’ HH：mm：ss.SSS” //(时间格式)
let strNowTime = timeFormatter.string(from：date as Date) as String
cell.textLabel？.text = strNowTime
let rect = CGRect(x：0,y：cell.frame.height-1,width：self.view.frame.size.width,height：1)
let label = UILabel(frame：rect)
label.backgroundColor = UIColor.lightGray()
cell .addSubview(label)
return cell;
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
}

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