更新Demo

更新Demo

UnityProject/Packages/YooAsset/Runtime/CacheSystem/CacheFileInfo.cs

@@ -0,0 +1,36 @@
+using System;
+using System.IO;
+
+namespace YooAsset
+{
+	internal class CacheFileInfo
+	{
+		private static readonly BufferWriter SharedBuffer = new BufferWriter(1024);
+
+		/// <summary>
+		/// 写入资源包信息
+		/// </summary>
+		public static void WriteInfoToFile(string filePath, string dataFileCRC, long dataFileSize)
+		{
+			using (FileStream fs = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.Read))
+			{
+				SharedBuffer.Clear();
+				SharedBuffer.WriteUTF8(dataFileCRC);
+				SharedBuffer.WriteInt64(dataFileSize);
+				SharedBuffer.WriteToStream(fs);
+				fs.Flush();
+			}
+		}
+
+		/// <summary>
+		/// 读取资源包信息
+		/// </summary>
+		public static void ReadInfoFromFile(string filePath, out string dataFileCRC, out long dataFileSize)
+		{
+			byte[] binaryData = FileUtility.ReadAllBytes(filePath);
+			BufferReader buffer = new BufferReader(binaryData);
+			dataFileCRC = buffer.ReadUTF8();
+			dataFileSize = buffer.ReadInt64();
+		}
+	}
+}