我正在使用 Realm 制作一个简单的列表应用程序,但在制作更新方法时遇到了问题。这是我的代码。
Task.swift
class Task: Object {
dynamic var id = 0
dynamic var name = ""
dynamic var content = ""
dynamic var createdDate = NSDate()
override class func primaryKey() -> String? {
return "id"
}
class func autoIncrement() -> Int{
let realm = try! Realm()
let TaskList = realm.objects(Task.self).sorted(byKeyPath: "id", ascending: true)
let Last = TaskList.last
if TaskList.count == 0{
return 0
} else{
return Last!.id + 1
}
}
TaskController.swift
static func updateTask(name:String, content:String, oldTask:Task){
RealmController.updateTask(name:name, content:content, task: oldTask)
//RealmController.getData(taskList: &appDelegate.task)
}
RealmController.swift
static func updateTask(name:String, content:String, task: Task){
let taskId = task.id
let RealTask = realm.objects(Task.self).filter("id == %@", taskId).first
try! realm.write {
RealTask?.name = name
RealTask?.content = content
}
}
错误信息。
2017-02-10 17:13:57.179 RealmTest1[7156:9710210] -[RealmTest1.EditViewController saveTask:]: unrecognized selector sent to instance 0x7fd06351eaa0 2017-02-10 17:13:57.183 RealmTest1[7156:9710210] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[RealmTest1.EditViewController saveTask:]: unrecognized selector sent to instance 0x7fd06351eaa0'
堆栈跟踪
0 CoreFoundation 0x0000000107c00d4b __exceptionPreprocess + 171<br/>
1 libobjc.A.dylib 0x000000010766221e objc_exception_throw + 48<br/>
2 CoreFoundation 0x0000000107c70f04 -[NSObject(NSObject) doesNotRecognizeSelector:] + 132
3 CoreFoundation 0x0000000107b86005 ___forwarding___ + 1013<br/>
4 CoreFoundation 0x0000000107b85b88 _CF_forwarding_prep_0 + 120<br/>
5 UIKit 0x00000001080268bc -[UIApplication sendAction:to:from:forEvent:] + 83<br/>
6 UIKit 0x00000001081acc38 -[UIControl sendAction:to:forEvent:] + 67<br/>
7 UIKit 0x00000001081acf51 -[UIControl _sendActionsForEvents:withEvent:] + 444<br/>
8 UIKit 0x00000001081abe4d -[UIControl touchesEnded:withEvent:] + 668<br/>
9 UIKit 0x0000000108094545 -[UIWindow _sendTouchesForEvent:] + 2747<br/>
10 UIKit 0x0000000108095c33 -[UIWindow sendEvent:] + 4011<br/>
11 UIKit 0x00000001080429ab -[UIApplication sendEvent:] + 371<br/>
12 UIKit 0x000000010882f72d __dispatchPreprocessedEventFromEventQueue + 3248<br/>
13 UIKit 0x0000000108828463 __handleEventQueue + 4879<br/>
14 CoreFoundation 0x0000000107ba5761 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION__ + 17<br/>
15 CoreFoundation 0x0000000107b8a98c __CFRunLoopDoSources0 + 556<br/>
16 CoreFoundation 0x0000000107b89e76 __CFRunLoopRun + 918<br/>
17 CoreFoundation 0x0000000107b89884 CFRunLoopRunSpecific + 420<br/>
18 GraphicsServices 0x000000010d8caa6f GSEventRunModal + 161<br/>
19 UIKit 0x0000000108024c68 UIApplicationMain + 159<br/>
20 RealmTest1 0x000000010691518f main + 111<br/>
21 libdyld.dylib 0x000000010a44d68d start + 1<br/>
重启App后,内容已经改变。 我该如何解决?
最佳答案
堆栈跟踪似乎与您发布的任何代码都无关。问题是 -[UIControl sendAction:to:forEvent:]
正在调用未实现该对象的对象上的方法。这有两个正常原因:
- 您只是在注册触摸处理程序时传入了错误的对象。
- 您注册为处理程序的对象已被释放,一些不相关的对象已分配到同一位置。在“Scheme -> Run -> Diagnostics”中启用“Zombie Objects”将使这种情况以更多信息的方式失败。
关于ios - Realm 更新 Swift 无法识别的选择器发送到实例,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/42154567/