我无法在 Realm 中将数据保存为枚举。当我跟踪变量的状态并保存时,旧值仍然存在,而不是新值。我做错了什么?
我用了setter和getter,还是没有解决问题。
import RealmSwift
class Transaction: Object {
var accounting: Accounting = .income
@objc dynamic var amount = 0
@objc dynamic var date = ""
@objc dynamic var note = ""
private var privateCategory: String = Category.noCategories.rawValue
var category: Category {
get { return Category(rawValue: privateCategory)! }
set { privateCategory = newValue.rawValue }
}
}
enum Category: String {
case noCategories = "No сategories"
case food = "Food"
case cafesAndRestaurants = "Cafes And Restaurants"
case manufacturedGoods = "Manufactured Goods"
case forceMajeure = "Force Majeure"
case entertainment = "Entertainment"
}
当我尝试保存属性时,Category 默认保存(“无类别”)
let transactionOne = Transaction()
transactionOne.accounting = .consuption
transactionOne.amount = 250
transactionOne.category = .food
transaction privateCategory String "No categories"
最佳答案
从 Realm guide 中的所有示例可以看出,您要保留的字符串属性用 @objc dynamic
标记。所以你也应该将 privateCategory
标记为 @objc dynamic
:
@objc dynamic var privateCategory: String = Category.noCategories.rawValue
关于ios - 如何使用 Realm 存储字符串枚举,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/56026538/