数据模型映射

import Foundation
import RealmSwift
class Dog: Object {
    @Persisted(primaryKey: true) var _id: ObjectId
    @Persisted var age: Int?
    @Persisted var breed: String?
    @Persisted var name: String = ""
    @Persisted var details: AnyRealmValue
}

import io.realm.RealmObject;
import org.bson.types.ObjectId;
public class Dog extends RealmObject {
    @PrimaryKey
    @Required
    private ObjectId _id;
    private Integer age;
    private String breed;
    @Required
    private String name;
    private RealmAny details;
    // Standard getters & setters
    public ObjectId getId() { return _id; }
    public void setId(ObjectId _id) { this._id = _id; }
    public Integer getAge() { return age; }
    public void setAge(Integer age) { this.age = age; }
    public String getBreed() { return breed; }
    public void setBreed(String breed) { this.breed = breed; }
    public String getName() { return name; }
    public void setName(String name) { this.name = name; }
    public RealmAny getDetails() { return details; }
    public void setDetails(RealmAny details) { this.details = details; }
}

import io.realm.RealmObject;
import org.bson.types.ObjectId;
open class Dog : RealmObject {
    @PrimaryKey
    var _id: ObjectId = ObjectId(),
    var age: Int? = null,
    var breed: String? = null,
    var name: String = ""
    var details: RealmValue? = null
}

import 'package:realm/realm.dart';
part 'realm_models.realm.dart';
@RealmModel()
class _Dog {
  @PrimaryKey()
  @MapTo('_id')
  late ObjectId id;
  int? age;
  String? breed;
  late String name;
  late RealmValue details;
}

using System;
using System.Collections.Generic;
using Realms;
using MongoDB.Bson;
public class Dog : RealmObject
{
    [MapTo("_id")]
    [PrimaryKey]
    public ObjectId Id { get; set; }
    [MapTo("age")]
    public int? Age { get; set; }
    [MapTo("breed")]
    public string Breed { get; set; }
    [MapTo("name")]
    [Required]
    public string Name { get; set; }
    [MapTo("details")]
    public RealmValue Details { get; set; }
}

export const DogSchema = {
  name: 'Dog',
  properties: {
    _id: 'objectId',
    age: 'int?',
    breed: 'string?',
    name: 'string',
  },
  primaryKey: '_id',
  details: 'mixed',
};

export const DogSchema = {
   class Dog extends Realm.Object<Dog> {
     _id!: Realm.BSON.ObjectId;
       age?: number;
       breed?: string;
       name!: string;
       details?: Realm.Mixed;
     static schema: ObjectSchema = {
       name: 'Dog',
         properties: {
           _id: 'objectId',
           age: 'int?',
           breed: 'string?',
           name: 'string',
           details: 'mixed?',
         },
       primaryKey: '_id',
};