当我尝试从 Realm 对象读取和写入时出错

Question

我是第一次尝试 Realm，但是当我尝试从 Realm 读取和写入时出现错误，这里是代码，错误行被注释：

class Test{

    dynamic var name = ""
}

class ViewController: UIViewController {

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
    }

    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        // Dispose of any resources that can be recreated.
    }

    @IBOutlet weak var label: UILabel!

    @IBAction func show(sender: UIButton){

        let test = Realm().objects(Test) //cannot invoke 'objects' with no arguments
        label.text = test.name

    }


    @IBAction func set(sender: UIButton){
        let test = Test()
        let realm = Realm()
        test.name = "not using CoreData"
        realm.write{realm.add(test)} //cannot invoke write with argument list of type (()->_)
    }


}

如果有人感兴趣，这里是文档页面：https://realm.io/docs/swift/latest/

Answer 1

您可以尝试将 Test class 的声明更改为以下内容吗？

class Test : Object

当我尝试从 Realm 对象读取和写入时出错

Error when I tried to read and write from Realm objects

realm

ios