人们告诉我如何摆脱我的立场并这样做，以便在添加新事件时它成为开始，而不是结束。我将非常感谢你的帮助。
我有三个数组，我不得不通过父单元格对它们进行排序，在这一行中我非常喜欢func tableView（_ tableView：UITableView，numberOfRowsInSection section：Int） - ＆gt; INT
import UIKit
import Parse
class PrognozSegmentViewController: UIViewController,UITableViewDataSource,UITableViewDelegate {
var soccerString = [Soccer]()
var basketString = [Basketball]()
var tennisString = [Tennis]()
var refresh : UIRefreshControl!
@IBOutlet weak var tableView: UITableView!
@IBOutlet weak var segmentControl: UISegmentedControl!
@IBAction func btnSegment(_ sender: Any) {
tableView.reloadData()
}
override func viewDidLoad() {
super.viewDidLoad()
refresh = UIRefreshControl()
refresh.attributedTitle = NSAttributedString(string: "Потяните вниз чтоб обновить ресурс")
refresh.tintColor = UIColor.green
refresh.addTarget(self, action: #selector(PrognozSegmentViewController.refreshing), for: UIControlEvents.valueChanged)
tableView.addSubview(refresh)
setupSeg()
tableView.tableFooterView = UIView()
tableView.estimatedRowHeight = 88
tableView.rowHeight = UITableViewAutomaticDimension
tableView.separatorStyle = UITableViewCellSeparatorStyle.none
tableView.register(UINib(nibName:"TableViewCell",bundle:nil), forCellReuseIdentifier: "sportCell")
loadObjects1()
loadObjects2()
loadObjects3()
}
func setupSeg() {
let attributes = [ NSAttributedStringKey.foregroundColor : UIColor.yellow,
NSAttributedStringKey.font : UIFont.systemFont(ofSize: 10, weight: UIFont.Weight.bold)];
let attributesSelected = [ NSAttributedStringKey.foregroundColor : UIColor.black,
NSAttributedStringKey.font : UIFont.systemFont(ofSize: 12, weight: UIFont.Weight.bold)];
segmentControl.setTitleTextAttributes(attributes, for: UIControlState.normal)
segmentControl.setTitleTextAttributes(attributesSelected, for: UIControlState.selected)
}
func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
var returnSport = 0
switch (segmentControl.selectedSegmentIndex) {
case 0 :
returnSport = soccerString.count
break
case 1 :
returnSport = basketString.count
break
case 2 :
returnSport = tennisString.count
break
default :
break
}
return returnSport
}
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let sportCell = tableView.dequeueReusableCell(withIdentifier: "sportCell", for: indexPath) as! TableViewCell
switch (segmentControl.selectedSegmentIndex) {
case 0 :
let soccer = soccerString[indexPath.row]
sportCell.matchLabel.text = soccer.matchS
soccerString[indexPath.row].imagePrS.getDataInBackground {(data, error) in
sportCell.imageMatch.image = error == nil ? UIImage(data: data!) : nil
}
break
case 1 :
let basket = basketString[indexPath.row]
sportCell.matchLabel.text = basket.matchB
basketString[indexPath.row].imagePrB.getDataInBackground {(data, error) in
sportCell.imageMatch.image = error == nil ? UIImage(data: data!) : nil
}
break
case 2:
sportCell.matchLabel.text = tennisString[indexPath.row].matchT
tennisString[indexPath.row].imagePrT.getDataInBackground {(data, error) in
sportCell.imageMatch.image = error == nil ? UIImage(data: data!) : nil
}
break
default:
break
}
sportCell.selectionStyle = UITableViewCellSelectionStyle.none
let date = Date()
let calendar = Calendar.current
let yesterday = calendar.date(byAdding: .day, value: -1, to: date)
let dateFormatter = DateFormatter()
dateFormatter.dateFormat = "EEEE, MMM:d, yyyy"
dateFormatter.dateStyle = .short
dateFormatter.timeStyle = .short
dateFormatter.locale = Locale(identifier: "ru_UA")
dateFormatter.doesRelativeDateFormatting = true
let dataFormater2 = DateFormatter()
dataFormater2.dateFormat = "EEEE, MMM:d, yyyy"
dataFormater2.dateStyle = .short
dataFormater2.timeStyle = .short
dataFormater2.locale = Locale(identifier: "ru_UA")
dataFormater2.doesRelativeDateFormatting = true
sportCell.dataSave.text! = dateFormatter.string(from: date)
sportCell.dataSave.text = dateFormatter.string(from: yesterday!)
return sportCell
}
func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
func tableView(_ tableView: UITableView, estimatedHeightForRowAt indexPath: IndexPath) -> CGFloat {
return UITableViewAutomaticDimension
}
func loadObjects1() {
let query = Soccer.query() as! PFQuery<Soccer>
query.findObjectsInBackground { (objects, error) in
if error == nil {
self.soccerString.removeAll()
self.soccerString = objects!
self.tableView.reloadData()
} else {
print(error!)
}
}
}
func loadObjects2() {
let query = Basketball.query() as! PFQuery<Basketball>
query.findObjectsInBackground { (objects, error) in
if error == nil {
self.basketString.removeAll()
self.basketString = objects!
self.tableView.reloadData()
} else {
print(error!)
}
}
}
func loadObjects3() {
let query = Tennis.query() as! PFQuery<Tennis>
query.findObjectsInBackground { (objects, error) in
if error == nil {
self.tennisString.removeAll()
self.tennisString = objects!
self.tableView.reloadData()
} else {
print(error!)
}
}
}
@objc func refreshing() {
loadObjects1()
loadObjects2()
loadObjects3()
tableView.reloadData()
refresh.endRefreshing()
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
switch (segmentControl.selectedSegmentIndex) {
case 0 :
if segue.identifier == "showSoccer" {
if let indexPath = tableView.indexPathForSelectedRow {
let destationViewController = segue.destination as! DetailSoccerTableViewController
destationViewController.detailSoccer = self.soccerString[indexPath.row]
}
}
case 1 :
if segue.identifier == "showBasket" {
let dvc = segue.destination as! DetailBasketViewController
if let indexPath = tableView.indexPathForSelectedRow {
let row = Int(indexPath.row)
dvc.baskets = basketString[row]
}
}
case 2 :
let destationVC: DetailTennisViewController = segue.destination as! DetailTennisViewController
if let indexPath = self.tableView.indexPathForSelectedRow {
let row = Int(indexPath.row)
destationVC.tenises = tennisString[row]
}
self.present(destationVC, animated: true, completion: nil)
default :
break
}
}
func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
switch ( segmentControl.selectedSegmentIndex) {
case 0 :
let soccer = soccerString[indexPath.row]
performSegue(withIdentifier: "showSoccer", sender: soccer)
break
case 1 :
let basket = basketString[indexPath.row]
let destinationVC = DetailBasketViewController()
destinationVC.baskets = basket
self.performSegue(withIdentifier: "showBasket", sender: self)
break
case 2 :
let tennis = tennisString[indexPath.row]
let destTenVC = DetailTennisViewController()
destTenVC.tenises = tennis
self.performSegue(withIdentifier: "showTennis", sender: self)
break
default :
break
}
}
}
答案 0 :(得分：1)
如果您的问题是新对象成为最后一个
我认为你正在谈论一个阵列并且你正在做
array.append(item)
如果你想让项目在开头做：
array.insert(item, at: 0)
然后
tableView.reloadData()