在coredata中保存数据？

Question

我的代码是在coredata数据库中保存数据。请告诉我更好的方法是什么。

gradle.properties

Answer 1

There is no reason to use a persistentContainer is you are not ios 10 and above only. Just create a stack that works and use it. PersistentContainer helps in not having to create a core data stack, but if you are creating one anyway there is really no point to using it.

Answer 2

你可以使用

let context =（UIApplication.shared.delegate as！AppDelegate）.persistentContainer.viewContext

让newcontact = NSEntityDescription.insertNewObject（forEntityName：“Employee”，into：context）as NSManagedObject

    newcontact.setValue(txtempid.text, forKey: "emp_id");
    newcontact.setValue(txtempname.text, forKey: "emp_name");
    newcontact.setValue(txtempadd.text, forKey: "emp_add");

    do
    {
       try   context.save()
    }
    catch
    {

    }