我的tableview返回标题,他们的描述,现在我正在尝试返回图像。它目前只为我的所有单元格返回一个图像。这是因为我将它存储在UIImage中吗?
这是我的代码:
import UIKit
import Parse
import Bolts
import ParseUI
class YourEvents: UIViewController, UITableViewDataSource, UITableViewDelegate {
@IBOutlet weak var tableView: UITableView!
var currentuser = PFUser.currentUser()?.username
//array
var testArray = [String]()
var testdecr = [String]()
var image = UIImage()
// var imagestored = UIImage()
override func viewDidLoad() {
super.viewDidLoad()
var query = PFQuery(className:"Companies")
let pUserName = PFUser.currentUser()?["username"] as? String
query.whereKey("createdby", equalTo:"\(pUserName)")
// let runkey = query.orderByAscending("companyname")
query.findObjectsInBackgroundWithBlock{
(objects: [PFObject]?, error: NSError?) -> Void in
if error == nil {
//do something with the found objects
if let objects = objects as [PFObject]! {
for object in objects {
let load = object.objectForKey("companyname") as! String
self.testArray .append(load)
print(self.testArray)
let load2 = object.objectForKey("companydescription") as! String
self.testdecr.append(load2)
print(self.testdecr)
if let userImageFile = object["imagefile"] as? PFFile {
userImageFile.getDataInBackgroundWithBlock {
(imageData: NSData?, error: NSError?) -> Void in
if error == nil {
if let imageData = imageData {
self.image = UIImage(data:imageData)!
print("done!")
self.do_table_refresh()
}
}
}
}
}
}
} else {
//log details of failure
print("Error: \(error!) \(error?.userInfo) ")
}
}
// reload UIViewController and UITabkeView
sleep(3)
do_table_refresh()
}
func do_table_refresh () {
dispatch_async(dispatch_get_main_queue(), {
self.tableView.reloadData()
return
})
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func numberOfSectionsInTableView(tableView: UITableView) -> Int {
return 1
}
func tableView(tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
return testArray.count
}
func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {
let cell = tableView.dequeueReusableCellWithIdentifier("yourstartups", forIndexPath: indexPath) as! YourStartupsCell
cell.lbTitle!.text = self.testArray[indexPath.row]
cell.lbDescription!.text = self.testdecr[indexPath.row]
cell.logo!.image = self.image
return cell
}
}
答案 0 :(得分:1)
我建议创建一个PFImage对象数组,然后在表视图委托方法中,您只需访问索引路径中当前行的元素即可。现在,您调用数据的方法被调用一次,因此将图像设置为最后一个获取的对象,但由于每次加载单元格时都会调用tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath)
,因此您需要将图像保存在数组中,就像你正在处理文本标签一样。