NSURLConnection完成并显示错误-检索和显示图像时出现代码-1002

5 xcode ios firebase swift firebase-realtime-database

对于任何有此问题的人,但本文对此没有帮助,则可能会发现以下use-full:在这里

这是错误的副本:

2018-08-29 18:39:59.458950-0400 proj [5319:3378682] NSURLConnection已完成,出现错误-代码-1002

我已经查看了这些答案,但没有发现任何有效的方法。我相信这是因为问题的发生是由于这些原因的另一个原因。从数据库中获取图像并尝试在图像视图中显示它们时出现问题。

完整代码如下:

import UIKit
import FirebaseStorage
import FirebaseDatabase
import FirebaseAuth
import Firebase

class PhaseOneViewController: UIViewController {

    @IBOutlet weak var p1ImageView: UIImageView!

    @IBAction func loadImages(_ sender: Any) {
        //p1ImageView.image = nil
        NKPlaceholderImage(image: UIImage(named: "placeholder"), imageView: p1ImageView, imgUrl: "\(Storage.storage().reference().child((Auth.auth().currentUser?.uid)!).child("post\(takePicViewController().finalPost + PhotoArray.sharedInstance.numberPost)").child(ImageUploadManager().imageName))") { (image) in }

    }

    func NKPlaceholderImage(image:UIImage?, imageView:UIImageView?,imgUrl:String,compate:@escaping (UIImage?) -> Void) {

        if image != nil && imageView != nil {
            imageView!.image = image!
        }

        var urlcatch = imgUrl.replacingOccurrences(of: "/", with: "#")
        let documentpath = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
        urlcatch = documentpath + "/" + "\(urlcatch)"

        let image = UIImage(contentsOfFile:urlcatch)
        if image != nil && imageView != nil
        {
            imageView!.image = image!
            compate(image)

        }else{

            if let url = URL(string: imgUrl){

                DispatchQueue.global(qos: .background).async {
                    () -> Void in
                    let imgdata = NSData(contentsOf: url)
                    DispatchQueue.main.async {
                        () -> Void in
                        imgdata?.write(toFile: urlcatch, atomically: true)
                        let image = UIImage(contentsOfFile:urlcatch)
                        compate(image)
                        if image != nil  {
                            if imageView != nil  {
                                imageView!.image = image!
                            }
                        }
                    }
                }
            }
        }
    }

}
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我还问了这些问题LinkLink,这可能对我所处的情况或解决此问题有帮助。

谢谢!