Swift 单击uicollection单元格中的按钮继续

在collectionviewcell中有一个按钮，当我单击该按钮时，目标是切换到更详细的视图控制器

 class WelcomeViewController: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate,UIGestureRecognizerDelegate, UISearchBarDelegate {


    @IBOutlet weak var CollectionView: UICollectionView!


    var databaseRef = FIRDatabase.database().reference()
    var loggedInUser = FIRAuth.auth()?.currentUser
    var dictDetails: [String:AnyObject]?
    var posts = NSMutableArray()
    let storage = FIRStorage.storage()


    override func viewDidLoad() {
        super.viewDidLoad()
        (CollectionView.collectionViewLayout as! UICollectionViewFlowLayout).itemSize = CGSize(width: (self.view.frame.width - 10) / 2.4, height: (self.view.frame.width - 10) / 1.5 )
        self.navigationItem.title = "Lit Swap"
        CollectionView.frame = CGRect(x: 0, y: 0, width: self.view.frame.size.width, height: 300)
        self.CollectionView.contentInset = UIEdgeInsetsMake(-65, 0, 0, 0)
        definesPresentationContext = true

        loadData()
    }


    @IBAction func editButtonTapped() -> Void {
        print("Hello Edit Button")
        performSegue(withIdentifier: "UsersProfile", sender: self)

        func prepare(for segue: UIStoryboardSegue, sender: Any?) {
            if segue.identifier == "UsersProfile" {


                self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]


               if let indexPaths = self.CollectionView!.indexPathsForSelectedItems{

                ///I DONT THINK YOU SHOULD REFERENCE POST, REFERENCE BOOKS INSTEAD///////////////

                  //  if let indexPaths = self.CollectionView.cellForItem(at: <#T##IndexPath#>){


                    let vc = segue.destination as! UsersProfileViewController
                    let cell = sender as! UICollectionViewCell
                    let indexPath = self.CollectionView!.indexPath(for: cell)
                    let post = self.posts[(indexPath?.row)!] as! [String: AnyObject]
                  //  let username = post["username"] as? String
                    let userpicuid = post["uid"] as? String
                  //  vc.username = username
                    vc.userpicuid = userpicuid


                    print(indexPath?.row)

                         }} }


    }


    func loadData(){
        if (FIRAuth.auth()?.currentUser) != nil{
            FIRDatabase.database().reference().child("books").observeSingleEvent(of: .value, with: { (snapshot:FIRDataSnapshot) in

                let loggedInUserData = snapshot
                if let postsDictionary = snapshot .value as? [String: AnyObject] {
                    for post in postsDictionary {
                        self.posts.add(post.value)
                    }
                    self.CollectionView.reloadData()


                }})}
    }

    // Properties of the UICollectionView
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }

    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int{
        return self.posts.count
    }

    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {



        let cell = collectionView.dequeueReusableCell(withReuseIdentifier: "Cell", for: indexPath) as! PinterestLikeCollectionViewCell


        //configure the cell...

        if (FIRAuth.auth()?.currentUser) != nil{


            print(posts[indexPath.row])
            let post = self.posts[indexPath.row] as! [String: AnyObject]
            cell.Title.text = post["title"] as? String
            cell.Author.text = post["Author"] as? String

            let editButton = UIButton(frame: CGRect(x: 8, y: 225, width: 154, height: 45))

            editButton.addTarget(self, action: #selector(editButtonTapped), for: UIControlEvents.touchUpInside)
            editButton.tag = indexPath.row
            print(indexPath.row)
            editButton.isUserInteractionEnabled = true

            cell.addSubview(editButton)

            if let imageName = post["image"] as? String {

                let imageRef = FIRStorage.storage().reference().child("images/\(imageName)")


                imageRef.data(withMaxSize: 25 * 1024 * 1024, completion: { (data, error) -> Void in
                    if error == nil {

                        let image = UIImage(data: data!)
                        cell.Books.image = image 

                        cell.Books.roundCornersForAspectFit(radius: 10)
                        cell.Books.clipsToBounds = true


                    }else {

                        print("Error downloading image:" )
                    }})}}
        return cell
    }

     func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {

        return CGSize(width: CGFloat((collectionView.frame.size.width / 5) - 20), height: CGFloat(500))
    }


    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {

    }



    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        if segue.identifier == "details" {


            self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.white]


            if let indexPaths = self.CollectionView!.indexPathsForSelectedItems{

                let vc = segue.destination as! BookDetailsViewController
                let cell = sender as! UICollectionViewCell
                let indexPath = self.CollectionView!.indexPath(for: cell)
                let post = self.posts[(indexPath?.row)!] as! [String: AnyObject]
                let Booked = post["title"] as? String
                let Authors = post["Author"] as? String
                let ISBNS = post["ISBN"] as? String
                let Prices = post["Price"] as? String
                let imageNames = post["image"] as? String
                let imagesTwo = post["imageTwo"] as? String
                let imagesThree = post["imageThree"] as? String
                let imagesFour = post["imageFour"] as? String
                let imagesFive = post["imageFive"] as? String
                vc.Booked = Booked
                vc.Authors = Authors
                vc.ISBNS = ISBNS
                vc.Prices = Prices
                vc.imageNames = imageNames
                vc.imagesTwo = imagesTwo
                vc.imagesThree = imagesThree
                vc.imagesFour = imagesFour
                vc.imagesFive = imagesFive

                print(indexPath?.row)

            }  }}

}

类WelcomeViewController:UIViewController、UICollectionViewDataSource、UICollectionViewDelegate、UIGestureRecogenerDelegate、UISearchBarDelegate{
@ibvar CollectionView:UICollectionView！
var databaseRef=FIRDatabase.database（）.reference（）
var loggedInUser=FIRAuth.auth（）？.currentUser
var dictDetails:[字符串：AnyObject]？
var posts=NSMutableArray（）
let storage=FIRStorage.storage（）
重写func viewDidLoad（）{
super.viewDidLoad（）
（CollectionView.collectionViewLayout为！UICollectionViewFlowLayout）。itemSize=CGSize（宽度：（self.view.frame.width-10）/2.4，高度：（self.view.frame.width-10）/1.5）
self.navigationItem.title=“轻交换”
CollectionView.frame=CGRect（x:0，y:0，宽度：self.view.frame.size.width，高度：300）
self.CollectionView.contentInset=UIEdgeInsetsMake（-65,0,0,0）
DefinePresentationContext=true
loadData（）
}
@iAction func editButtonTapped（）->Void{
打印（“Hello编辑按钮”）
performsgue（标识符为：“UsersProfile”，发送者：self）
func prepare（用于segue:UIStoryboardSegue，发件人：有吗？）{
如果segue.identifier==“UsersProfile”{
self.navigationController？.navigationBar.titleTextAttributes=[NSForegroundColorAttributeName:UIColor.white]
如果让indexPaths=self.CollectionView！.indexPathsForSelectedItems{
///我认为你不应该参考文章，而应该参考书///////////////
//如果让indexPaths=self.CollectionView.cellForItem（位于：）{
设vc=segue.destination为！UsersProfileViewController
let cell=发送方为！UICollectionViewCell
让indexPath=self.CollectionView！.indexPath（for:cell）
让post=self.posts[（indexPath？.row）！]as！[String:AnyObject]
//让username=post[“username”]作为字符串
让userpicuid=post[“uid”]作为字符串
//vc.username=用户名
vc.userpicuid=userpicuid
打印（indexPath？.row）
}} }
}
func loadData（）{
如果（FIRAuth.auth（）？.currentUser）！=nil{
FIRDatabase.database（）.reference（）.child（“books”）.observeSingleEvent（of:.值，其中：{（快照：FIRDataSnapshot））位于
让loggedInUserData=snapshot
如果让postsDictionary=snapshot.value为？[字符串：AnyObject]{
在postsDictionary中发布{
self.posts.add（post.value）
}
self.CollectionView.reloadData（）
}})}
}
//UICollectionView的属性
func numberOfSections（在collectionView:UICollectionView中）->Int{
返回1
}
func collectionView（collectionView:UICollectionView，numberOfItemsInSection:Int）->Int{
返回self.posts.count
}
func collectionView（collectionView:UICollectionView，cellForItemAt indexPath:indexPath）->UICollectionViewCell{
让cell=collectionView.dequeueReusableCell（带有reuseidentifier:“cell”，for:indexath）作为！PinterestLikeCollectionViewCell
//配置单元格。。。
如果（FIRAuth.auth（）？.currentUser）！=nil{
打印（发布[indexath.row]）
让post=self.posts[indexPath.row]作为！[String:AnyObject]
cell.Title.text=post[“Title”]作为字符串
cell.Author.text=post[“Author”]作为？字符串
让editButton=UIButton（帧：CGRect（x:8，y:225，宽度：154，高度：45））
editButton.addTarget（自身，操作：#选择器（editButtonTapped），用于：UIControlEvents.touchUpInside）
editButton.tag=indexPath.row
打印（indexPath.row）
editButton.isUserInteractionEnabled=true
cell.addSubview（编辑按钮）
如果让imageName=post[“image”]作为字符串{
让imageRef=FIRStorage.storage（）.reference（）.child（“images/\（imageName）”）
imageRef.data（使用MaxSize:25*1024*1024，完成：{（数据，错误）->Void in
如果错误==nil{
让image=UIImage（数据：data！）
cell.Books.image=图像
单元格。书本。圆角透视图（半径：10）
cell.Books.clipstobunds=true
}否则{
打印（“下载图像时出错：”）
}})}}
返回单元
}
func collectionView（collectionView:UICollectionView，布局collectionViewLayout:UICollectionViewLayout，sizeForItemAt indexPath:indexPath）->CGSize{
返回CGSize（宽度：CGFloat（（collectionView.frame.size.width/5）-20），高度：CGFloat（500））
}
func collectionView（collectionView:UICollectionView，didSelectItemAt indexPath:indexPath）{
}
覆盖功能准备（对于segue:UIStoryboardSegue，发送方：有吗？）{
如果segue.identifier==“详细信息”{
self.navigationController？.navigationBar.titleTextAttributes=[NSForegroundColorAttributeName:UIColor.white]
如果让indexPaths=self.CollectionView！.indexPathsForSelectedItems{
让vc=segue.destination为！BookDetailsViewController
let cell=发送方为！UICollectionViewCell
让indexPath=self.CollectionView！.indexPath（for:cell）
让post=self.posts[（indexPath？.row）！]as！[String:AnyObject]
let Booked=以字符串形式发布[“标题”]
让Authors=post[“Author”]作为字符串
让ISBNS=post[“ISBN”]作为？字符串
让价格=