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我正在使用.Net GZipStream類來壓縮和解壓縮文件。在我進行解壓縮之後,數據看起來很好,但在某個看似任意的點之後,它變成了零。例如,解壓文件後,它的大小是正確的19KB,但字節10,588和全部爲零。GZip解壓縮停止在任意點
我不知道我在做什麼不正確。
這是我該怎麼辦壓縮:
Byte[] bytes = GetFileBytes(file);
using (FileStream fileStream = new FileStream("Zipped.gz", FileMode.Create))
{
using (GZipStream zipStream = new GZipStream(fileStream, CompressionMode.Compress))
{
zipStream.Write(bytes, 0, bytes.Length);
}
}
這就是我要做的減壓(字節是壓縮字節數組,OriginalSize是文件的大小,然後才壓縮):
using (MemoryStream memoryStream = new MemoryStream(Bytes))
{
using (GZipStream zipStream = new GZipStream(memoryStream, CompressionMode.Decompress))
{
// Note: Since the compressed version can be larger, I use the larger of the original and the compressed size for the decompressed array's size.
Byte[] decompressedBytes = new Byte[OriginalSize > Bytes.Length ? OriginalSize : Bytes.Length];
Int32 numRead = zipStream.Read(decompressedBytes, 0, Bytes.Length);
using (FileStream fileStream = new FileStream("Decompressed.txt", Name), FileMode.Create))
{
fileStream.Write(decompressedBytes, 0, Convert.ToInt32(OriginalSize));
}
}
}
是否知道它是否在解壓縮或壓縮 - 您可以通過使用gzip手動解壓縮/壓縮文件來檢查此問題。 – 2010-10-20 00:31:57