From c79825025862e8dcb9252448718779f0437d6638 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BD=95=E5=86=A0=E5=B3=B0?= <hevinci@hotmail.com>
Date: Wed, 27 Aug 2025 19:19:00 +0800
Subject: [PATCH] =?UTF-8?q?feat=20:=20CRC=E5=B7=A5=E5=85=B7=E7=B1=BB?=
 =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E8=8E=B7=E5=8F=96=E6=95=B4=E5=BD=A2=E5=80=BC?=
 =?UTF-8?q?=E7=9A=84=E6=96=B9=E6=B3=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../Runtime/Utility/CRC32Algorithm.cs         | 11 ++++++
 Assets/YooAsset/Runtime/Utility/YooUtility.cs | 36 +++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/Assets/YooAsset/Runtime/Utility/CRC32Algorithm.cs b/Assets/YooAsset/Runtime/Utility/CRC32Algorithm.cs
index b729ea9d..f8689c60 100644
--- a/Assets/YooAsset/Runtime/Utility/CRC32Algorithm.cs
+++ b/Assets/YooAsset/Runtime/Utility/CRC32Algorithm.cs
@@ -73,6 +73,17 @@ namespace YooAsset
     {
         private uint _currentCrc;
 
+        /// <summary>
+        /// Gets the computed hash value.
+        /// </summary>
+        public uint CRCValue
+        {
+            get
+            {
+                return _currentCrc;
+            }
+        }
+
         /// <summary>
         /// Initializes a new instance of the <see cref="CRC32Algorithm"/> class. 
         /// </summary>
diff --git a/Assets/YooAsset/Runtime/Utility/YooUtility.cs b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
index c8df5589..740f96aa 100644
--- a/Assets/YooAsset/Runtime/Utility/YooUtility.cs
+++ b/Assets/YooAsset/Runtime/Utility/YooUtility.cs
@@ -339,6 +339,11 @@ namespace YooAsset
             byte[] buffer = Encoding.UTF8.GetBytes(str);
             return BytesCRC32(buffer);
         }
+        public static uint StringCRC32Value(string str)
+        {
+            byte[] buffer = Encoding.UTF8.GetBytes(str);
+            return BytesCRC32Value(buffer);
+        }
 
         /// <summary>
         /// 获取文件的CRC32
@@ -350,6 +355,13 @@ namespace YooAsset
                 return StreamCRC32(fs);
             }
         }
+        public static uint FileCRC32Value(string filePath)
+        {
+            using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read))
+            {
+                return StreamCRC32Value(fs);
+            }
+        }
 
         /// <summary>
         /// 获取文件的CRC32
@@ -366,6 +378,18 @@ namespace YooAsset
                 return string.Empty;
             }
         }
+        public static uint FileCRC32ValueSafely(string filePath)
+        {
+            try
+            {
+                return FileCRC32Value(filePath);
+            }
+            catch (Exception e)
+            {
+                YooLogger.Exception(e);
+                return 0;
+            }
+        }
 
         /// <summary>
         /// 获取数据流的CRC32
@@ -376,6 +400,12 @@ namespace YooAsset
             byte[] hashBytes = hash.ComputeHash(stream);
             return ToString(hashBytes);
         }
+        public static uint StreamCRC32Value(Stream stream)
+        {
+            CRC32Algorithm hash = new CRC32Algorithm();
+            hash.ComputeHash(stream);
+            return hash.CRCValue;
+        }
 
         /// <summary>
         /// 获取字节数组的CRC32
@@ -386,6 +416,12 @@ namespace YooAsset
             byte[] hashBytes = hash.ComputeHash(buffer);
             return ToString(hashBytes);
         }
+        public static uint BytesCRC32Value(byte[] buffer)
+        {
+            CRC32Algorithm hash = new CRC32Algorithm();
+            hash.ComputeHash(buffer);
+            return hash.CRCValue;
+        }
         #endregion
     }
 }
\ No newline at end of file