Ios 分段故障:11-Xcode 10
在RangeText=”处执行类型检查语句时{ 播放名称=[] let requestLibrary=NSFetchRequest(entityName:“Library”)Ios 分段故障:11-Xcode 10,ios,swift,xcode,xcode10,Ios,Swift,Xcode,Xcode10,在RangeText=”处执行类型检查语句时{ 播放名称=[] let requestLibrary=NSFetchRequest(entityName:“Library”) let request=NSFetchRequest(entityName:“播放列表”) request.sortDescriptors=[playlysortdescriptor] playlists=try?context.fetch(request)as NSArray! 打印(“播放列表计数-”,playlist
let request=NSFetchRequest(entityName:“播放列表”)
request.sortDescriptors=[playlysortdescriptor]
playlists=try?context.fetch(request)as NSArray!
打印(“播放列表计数-”,playlists.Count)
让librarys:NSArray!=try?context.fetch(requestLibrary)作为NSArray!
图书馆中的图书馆{
让libraryName=(库作为任何对象)。值(forKey:“库”)作为!字符串
播放名+=[库名]
}
用于播放列表中的播放列表{
让playlame=(playlistas AnyObject).value(forKey:“playlistName”)作为!字符串
如果播放名称==“库”{
播放名。插入(播放名,位于:0)
}否则{
播放名称+=[播放名称]
}
}
}"
func refreshPlaylists(){
playlistNames = []
let requestLibrary = NSFetchRequest<NSFetchRequestResult>(entityName: "Library")
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Playlist")
request.sortDescriptors = [playlistSortDescriptor]
playlists = try? context.fetch(request) as NSArray!
print("Playlist Count - ",playlists.count)
let librarys:NSArray! = try? context.fetch(requestLibrary) as NSArray!
for library in librarys{
let libraryName = (library as AnyObject).value(forKey: "library") as! String
playlistNames += [libraryName]
}
for playlist in playlists{
let playlistName = (playlist as AnyObject).value(forKey: "playlistName") as! String
if playlistName == "Library" {
playlistNames.insert(playlistName, at: 0)
}else {
playlistNames += [playlistName]
}
}
}
func刷新播放列表(){
播放名称=[]
let requestLibrary=NSFetchRequest(entityName:“Library”)
let request=NSFetchRequest(entityName:“播放列表”)
request.sortDescriptors=[playlysortdescriptor]
playlists=try?context.fetch(request)as NSArray!
打印(“播放列表计数-”,playlists.Count)
让librarys:NSArray!=try?context.fetch(requestLibrary)作为NSArray!
图书馆中的图书馆{
让libraryName=(库作为任何对象)。值(forKey:“库”)作为!字符串
播放名+=[库名]
}
用于播放列表中的播放列表{
让playlame=(playlistas AnyObject).value(forKey:“playlistName”)作为!字符串
如果播放名称==“库”{
播放名。插入(播放名,位于:0)
}否则{
播放名称+=[播放名称]
}
}
}
在我升级到Xcode 10之前它就可以工作了。有什么想法吗?没有像
NSArray这样的类型代码>而且在任何情况下,您都没有任何理由对其进行强制转换。将作为NSArray删除代码>全部。使用Swift类型。我不清楚到底是什么导致了错误-运行时不是你的应用程序?它是XCode,或者Swift编译器?@Rup我试图编译并运行,但它显示了这个错误。
func refreshPlaylists(){
playlistNames = []
let requestLibrary = NSFetchRequest<NSFetchRequestResult>(entityName: "Library")
let request = NSFetchRequest<NSFetchRequestResult>(entityName: "Playlist")
request.sortDescriptors = [playlistSortDescriptor]
playlists = try? context.fetch(request) as NSArray!
print("Playlist Count - ",playlists.count)
let librarys:NSArray! = try? context.fetch(requestLibrary) as NSArray!
for library in librarys{
let libraryName = (library as AnyObject).value(forKey: "library") as! String
playlistNames += [libraryName]
}
for playlist in playlists{
let playlistName = (playlist as AnyObject).value(forKey: "playlistName") as! String
if playlistName == "Library" {
playlistNames.insert(playlistName, at: 0)
}else {
playlistNames += [playlistName]
}
}
}