【发布时间】:2017-07-02 03:23:29
【问题描述】:
我正在尝试调用图像,但出现错误“无法分配 'UIImage 类型的值?'输入“字符串””,我会很感激你的帮助。
class flowerVC: UIViewController {
var label = ""
var pic = ""
var info = ""
@IBOutlet var label1: UILabel!
@IBOutlet var label2: UILabel!
@IBOutlet weak var image: UIImageView!
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view.
label1.text = label
label2.text = info
image.image = UIImage(named: pic)
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
上面的代码是定义 self.images 和 detailview.pic 的地方,如果不是,对不起,我是 xcode 的新手。
func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
let cell = self.tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath) as! CustomCell
cell.name.text = names[indexPath.row]
cell.cost.text = flowers[indexPath.row]
cell.photo.image = images[indexPath.row]
return cell
}
override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
if segue.identifier == "show" {
let indexpath = self.tableView.indexPathForSelectedRow!
let detailview : flowerVC = segue.destination as! flowerVC
detailview.label = self.names[indexpath.row]
detailview.info = self.flowers[indexpath.row]
detailview.pic = self.images[indexpath.row] //Cannot assign value of type 'UIImage?' to type 'String'
}
【问题讨论】:
-
明显的问题是 detail view.pic 没有定义为 UIImage,而是定义为字符串。如何纠正它?需要更多代码。
-
请提供问题根源的代码,即定义
self.images和detailview.pic的代码。
标签: ios swift xcode uiimage tableview