我使用swift
和Realm数据库
开发新闻应用程序。我的数据库中有相同的新闻分类。如何从Realm数据库
中获取唯一值?我使用主键。
class News: Object {
dynamic var newsID: String = ""
dynamic var newsTitle: String = ""
dynamic var newsFullText: String = ""
dynamic var newsImage: String = ""
dynamic var newsAutor: String = ""
dynamic var newsCommentCount: String = ""
dynamic var newsSeenCount: String = ""
dynamic var newsDate: String = ""
dynamic var newsCategory: String = ""
override static func primaryKey() -> String? {
return "newsID"
}
}
我正在尝试获取
let realm = try! Realm()
let menuName = realm.objects(News)
for i in menuName.filter("newsCategory") {
nameLabel.text = i.newsCategory
}
但是它不起作用。