当我尝试从 Parse.com 帐户中提取 NewsPages 类的内容子类时,应用程序崩溃并且日志显示:EXC_BAD_INSTRUCTION (code =EXC_1386,INVOP,subcode=0x0) 错误
.
请帮我解决这个问题。
代码如下:
import UIKit
class ViewController: UIViewController {
@IBOutlet weak var teamNewsTextView: UITextView!
override func viewDidLoad() {
var query = PFQuery(className:"NewsPages")
query.getObjectInBackgroundWithId("KerL5Xf0Bx") {
(NewsPages: PFObject!, error: NSError!) -> Void in
if error == nil {
let content = NewsPages["content"] as String
self.teamNewsTextView.text = content
} else {
NSLog("%@", error)
}
}
}}
最佳答案
试试这个
if error == nil {
if let content = NewsPages["content"] as? String
{
self.teamNewsTextView.text = content
}
}
else {
NSLog("%@", error)
}
关于ios - EXC_BAD_INSTRUCTION(代码=EXC_1386,INVOP,子代码=0x0)错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/27598458/