我有一个PFQueryTableViewController,我想手动将图像从我的PFTableViewCell转移到我的DetailsViewController。我运行应用程序时显示名称和消息(两个标签),但不显示Parse中的图像。如何手动从PFQueryTableViewController中截取PFFiles并访问DetailsViewController的viewDidLoad中的属性?
var nameToPass = String()
var messageToPass = String()
var photoToPass = PFFile()
func tableView(tableView: UITableView, didSelectRowAtIndexPath indexPath: NSIndexPath) {
let object = objectAtIndexPath(indexPath)
self.nameToPass = object!.objectForKey("account") as! String
self.messageToPass = object!.objectForKey("message") as! String
self.photoToPass = object!.objectForKey("profileImg") as! PFFile
self.performSegueWithIdentifier("manualSegue", sender: self)
}
override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
if segue.identifier == "PostDetail" {
let destination = segue.destinationViewController as? DetailsViewController
destination.username = self.nameToPass
destination.usermessage = self.messageToPass
destination.userphoto = self.photoToPass
}
这是我的DetailsViewController:
var username: String?
var usermessage: String?
var userphoto:PFFile?
@IBOutlet weak var PostName: UILabel?
@IBOutlet weak var PostMessage: UILabel?
@IBOutlet weak var PostPhoto:PFImageView
override func viewDidLoad()
{
super.viewDidLoad()
PostName?.text = username ?? "nil"
PostMessage?.text = usermessage ?? "nil"
PostPhoto?.image = userphoto ?? "nil"
}
答案 0 :(得分:0)
在详细信息视图控制器中,您将PostPhoto的图像属性设置为PFFile。您应该设置文件属性。
您还可以进行一些错误检查,以确保图像实际通过。
if userphoto != nil {
PostPhoto.file = userphoto
} else {
print("User photo not passed")
}