如何將SDWebImage圖像推送到詳細視圖

Question

我試圖找出一種方法來將圖像通過桌面視圖上的SDWebImage加載到可在全屏中查看圖像的視圖（DetailView）。

我有正確顯示在表格視圖上的URL加載的圖像。但是當我點擊一個，它會繼續到另一個視圖（DetailView），當我有一個UIImage時，它是空白的。出於某種原因，圖像未加載。

謝謝！

這裏是TableView中代碼：

import UIKit 

class TableViewController: UITableViewController { 

var imageURLs = [String]() 

override func viewDidLoad() { 
    super.viewDidLoad() 

    imageURLs = ["https://i.imgur.com/lssFB4s.jpg","https://i.imgur.com/bSfVe7l.jpg","https://i.imgur.com/vRhhNFj.jpg"] 


    // Uncomment the following line to preserve selection between presentations 
    // self.clearsSelectionOnViewWillAppear = false 

    // Uncomment the following line to display an Edit button in the navigation bar for this view controller. 
    // self.navigationItem.rightBarButtonItem = self.editButtonItem() 
} 

override func didReceiveMemoryWarning() { 
    super.didReceiveMemoryWarning() 
    // Dispose of any resources that can be recreated. 

} 

override func prepare(for segue: UIStoryboardSegue, sender: AnyObject?) { 

    if (segue.identifier == "DetailView") { 

     let VC = segue.destinationViewController as! DetailViewController 
     if let indexpath = self.tableView.indexPathForSelectedRow { 

      let Imageview = imageURLs[indexpath.row] as String 
      VC.SentData1 = Imageview 
     } 

    } 



} 

override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { 

    let cell = tableView.dequeueReusableCell(withIdentifier: "Cell") 

    let cell2: TableViewCell = tableView.dequeueReusableCell(withIdentifier: "Cell") as! TableViewCell 

    let imagename = UIImage(named: imageURLs[indexPath.row]) 
    cell2.cellImage.image = imagename 


    let imageView = cell?.viewWithTag(1) as! UIImageView 

    imageView.sd_setImage(with: URL(string: imageURLs[indexPath.row])) 

    return cell! 


} 

override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 
    return imageURLs.count 
} 

這裏是的DetailView代碼：

import UIKit 

class DetailViewController: UIViewController { 

@IBOutlet weak var Detailimageview: UIImageView! 

var SentData1:String! 


override func viewDidLoad() { 
    super.viewDidLoad() 


    Detailimageview.image = UIImage(named: SentData1) 


    // Do any additional setup after loading the view. 
} 

override func didReceiveMemoryWarning() { 
    super.didReceiveMemoryWarning() 
    // Dispose of any resources that can be recreated. 
} 


/* 
// MARK: - Navigation 

// In a storyboard-based application, you will often want to do a little preparation before navigation 
override func prepare(for segue: UIStoryboardSegue, sender: AnyObject?) { 
    // Get the new view controller using segue.destinationViewController. 
    // Pass the selected object to the new view controller. 
} 
*/ 

Answer 1

您正在使用UIImage(named:)在您的目的地VC。這將嘗試從您的包中加載圖像，而不是從網絡加載。您應該使用sd_setImage從網絡獲取它（或者通過高速緩存，如果它已經被取出）：

Detailimageview.sd_setImage(with: URL(string:self.SentData1)) 

注意，屬性和變量應當按照約定

Answer 2

以小寫字母開頭當加載您的詳細信息視圖，您傳遞的是要加載的圖像的網址，但嘗試從包含UIImage(named: SentData1)的包中加載它。

相反，你應該只通過執行類似Detailimageview.sd_setImage(with: URL(string: SentData1))