2016-07-30 26 views
0

我有两个类Place和BeenHere。 BeenHere有针对性的称为“toPlace”和“fromUser”,指向Class Place和User。地方,反过来,有标题和图像(PFFile),我想检索并显示在ViewController。在下面的代码中,我已经用objectId到达了那个指针,但是不知道我现在怎么检索这个指针所指向的特定地方的标题和图像。感谢您的帮助和建议。解析用指针检索PFObject

class UserBeenHereViewController: UIViewController {  
override func viewDidLoad() { 
    super.viewDidLoad() 

    let user = PFUser.currentUser()?.username 

    if user != nil { 

    let query = PFQuery(className: "BeenHere") 
      query.includeKey("toPlace") 
      query.findObjectsInBackgroundWithBlock { (objects, error) -> Void in 
     if error == nil { 
      for object in objects! { 
       print(object["toPlace"].objectId) 

      } 
     } 
      else { 
       print("There is error") 
      } 
     } 
    } 
} 

回答

1

首先,您需要将“toPlace”放入PFObject中,然后进行访问。所以在你的情况下,它应该看起来像这样:

var toPlace = comment["toPlace"] as? PFObject 
print (toPlace["title"])