GZip对字符串压缩和解压

时间:2025-02-05 09:35:38
         /// <summary>
/// 压缩
/// </summary>
/// <param name="value">需要压缩字符串</param>
/// <returns>结果</returns>
public static string Compression(string value)
{
byte[] data = Encoding.UTF8.GetBytes(value);
using (MemoryStream ms = new MemoryStream())
{
using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Compress, true))
{
compressedzipStream.Write(data, , data.Length);
}
return Convert.ToBase64String(ms.ToArray());
}
} /// <summary>
/// 解压
/// </summary>
/// <param name="value">需要解压字符串</param>
/// <returns>结果</returns>
public static string Decompress(string value)
{
byte[] data = Convert.FromBase64String(value);
using (MemoryStream ms = new MemoryStream(data))
{
using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Decompress))
{
using (MemoryStream outBuffer = new MemoryStream())
{
byte[] block = new byte[];
int bytesRead = compressedzipStream.Read(block, , block.Length);
outBuffer.Write(block, , bytesRead);
return Encoding.UTF8.GetString(outBuffer.ToArray());
}
}
}
}
        /// <summary>
/// 解压(数据量过大的时候解压)
/// </summary>
/// <param name="value">需要解压字符串</param>
/// <returns>结果</returns>
public static string Decompress(string value)
{
byte[] data = Convert.FromBase64String(value);
using (MemoryStream ms = new MemoryStream(data))
{
using (GZipStream compressedzipStream = new GZipStream(ms, CompressionMode.Decompress))
{
using (MemoryStream outBuffer = new MemoryStream())
{
byte[] block = new byte[];
int bytesRead;
do
{
bytesRead = compressedzipStream.Read(block, , block.Length);
outBuffer.Write(block, , bytesRead);
} while (bytesRead > );
return Encoding.UTF8.GetString(outBuffer.ToArray());
}
}
}
}
         /// <summary>
/// 测试
/// </summary>
public static void TT()
{
var json = "{\"Key\":\"Value\"}";
var ys = Compression(json);
var jy = Decompress(ys);
}