DatabaseDownloader.cs

using UnityEngine;
using UnityEditor;
using System;
using System.Collections;
using System.Collections.Generic;
using UniRx;

public class DatabaseDownloader {
	public static string DatabaseURL = "SERVER_URL";
	private const string Token = "TOKEN";

	public static void LoadDatabase(string Query, Action<Dictionary<string, string>> Parser) {
		UriBuilder _Uri = new UriBuilder(DatabaseURL);
		_Uri.Query = Query + string.Format("&token={0}", Token);

		EditorUtility.DisplayDialog ("讀取資料庫", "開始下載資料", "確定");

		Observable.FromCoroutine<int> ((observer, cancellationToken) => GetDatabase (_Uri.ToString (), Parser, observer, cancellationToken))
			.Subscribe (count => {
				if(count == -1) {
					EditorUtility.DisplayDialog("下載失敗", "下載資料庫失敗", "確定");
				} else {
					EditorUtility.DisplayDialog("下載成功", string.Format("已下載 {0} 筆資料", count), "確定");
				}
			});
	}

	static int CreateDatabase(string Response, Action<Dictionary<string, string>> Parser) {
		JSONObject RawData = new JSONObject (Response);

		if (RawData.type == JSONObject.Type.ARRAY) {
			Dictionary<string, string> _item;
			foreach (JSONObject item in RawData.list) {
				_item = item.ToDictionary ();
				Parser (_item);
			}

			return RawData.list.Count;
		}

		return -1;
	}

	static IEnumerator GetDatabase(string url, Action<Dictionary<string, string>> Parser, IObserver<int> observer, CancellationToken cancellationToken) {
		WWW www = new WWW (url);
		while (!www.isDone && !cancellationToken.IsCancellationRequested) {
			yield return null;
		}

		if(cancellationToken.IsCancellationRequested) {
			yield break;
		}

		if (www.error != null) {
			observer.OnError (new Exception (www.error));
		} else {
			observer.OnNext (CreateDatabase (www.text, Parser));
			observer.OnCompleted ();
		}
	}

}

example.json

[
  {
   "編號": 1,
   "名稱": "Example",
   ...
  }
]

TreatmentDataMenu.cs

using UnityEngine;
using UnityEditor;
using System.IO;
using System.Collections;
using System.Collections.Generic;
using UniRx;

public class TreatmentDataMenu {
	public static string DatabasePath = @"Assets/Resources/TreatmentDB.asset";

	[MenuItem("Database/讀取治療資料")]
	public static void Generate() {
		Treatment Database = Treatment.CreateInstance<Treatment> ();
		DatabaseDownloader.LoadDatabase ("", (Item) => ReadItem (Database, Item));
		AssetDatabase.CreateAsset (Database, DatabasePath);
		EditorUtility.SetDirty (Database);
	}

	public static void ReadItem(Treatment Database, Dictionary<string, string> Item) {
		
		TreatmentData Data = new TreatmentData ();

		Data.ID = int.Parse(Item ["編號"]);

		Data.Name = Item ["名稱"].Trim();
		Data.Description = Item ["說明"];
		Data.Icon = Item ["Icon"];

		Data.Magic = int.Parse (Item ["魔法"]);
		Data.Physical = int.Parse (Item ["物理"]);
		Data.Biological = int.Parse (Item ["生物"]);
		Data.Chemistry = int.Parse (Item ["化學"]);

		Data.IsMaterial = bool.Parse (Item ["是否為素材"]);

		Data.Level = int.Parse (Item ["等級"]);

		Database.Treatments.Add (Data);

	}
}