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Src/Unity/Scripts/Assets/StreamingAssetsHelper.cs

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+using System.IO;
+using System.Collections.Generic;
+using UnityEngine;
+using YooAsset;
+
+/// <summary>
+/// 资源文件查询服务类
+/// </summary>
+public class GameQueryServices : IBuildinQueryServices
+{
+	public bool Query(string packageName, string fileName)
+	{
+		// 注意：fileName包含文件格式
+		return StreamingAssetsHelper.FileExists(packageName, fileName);
+	}
+}
+
+/// <summary>
+/// StreamingAssets目录下资源查询帮助类
+/// </summary>
+public sealed class StreamingAssetsHelper
+{
+	public static void Init() { }
+	public static bool FileExists(string packageName, string fileName)
+	{
+		string filePath = Path.Combine(Application.streamingAssetsPath, packageName, fileName);
+		return File.Exists(filePath);
+	}
+}