45 lines
1.4 KiB
C#
45 lines
1.4 KiB
C#
|
using System;
|
|||
|
|
using System.IO;
|
|||
|
|
|
|||
|
|
namespace YooAsset
|
|||
|
|
{
|
|||
|
|
internal class FileSystemHelper
|
|||
|
|
{
|
|||
|
|
/// <summary>
|
|||
|
|
/// 文件校验
|
|||
|
|
/// </summary>
|
|||
|
|
public static EFileVerifyResult FileVerify(string filePath, long fileSize, string fileCRC, EFileVerifyLevel verifyLevel)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (File.Exists(filePath) == false)
|
|||
|
|
return EFileVerifyResult.DataFileNotExisted;
|
|||
|
|
|
|||
|
|
// 先验证文件大小
|
|||
|
|
long size = FileUtility.GetFileSize(filePath);
|
|||
|
|
if (size < fileSize)
|
|||
|
|
return EFileVerifyResult.FileNotComplete;
|
|||
|
|
else if (size > fileSize)
|
|||
|
|
return EFileVerifyResult.FileOverflow;
|
|||
|
|
|
|||
|
|
// 再验证文件CRC
|
|||
|
|
if (verifyLevel == EFileVerifyLevel.High)
|
|||
|
|
{
|
|||
|
|
string crc = HashUtility.FileCRC32Safely(filePath);
|
|||
|
|
if (crc == fileCRC)
|
|||
|
|
return EFileVerifyResult.Succeed;
|
|||
|
|
else
|
|||
|
|
return EFileVerifyResult.FileCrcError;
|
|||
|
|
}
|
|||
|
|
else
|
|||
|
|
{
|
|||
|
|
return EFileVerifyResult.Succeed;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception)
|
|||
|
|
{
|
|||
|
|
return EFileVerifyResult.Exception;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|