利用本文的方法，可以对任意对象进行压缩与解压缩。
using System.IO;
using System.IO.Compression;
/// <summary>
/// 将数据压缩，并输出为 Base64String 格式。
/// </summary>
/// <param name="data">原始数据。</param>
private string Compress(byte[] data)
{
using (MemoryStream ms = new MemoryStream(data))
{
ms.Position = 0;
using (MemoryStream ms2 = new MemoryStream())
{
using (DeflateStream df = new DeflateStream(ms2, CompressionMode.Compress))
{
byte[] buffer = new byte[4096];
int len = 0;
while ((len = ms.Read(buffer, 0, buffer.Length)) > 0) df.Write(buffer, 0, len);
}
return Convert.ToBase64String(ms2.ToArray());
}
}
}
using System.IO;
using System.IO.Compression;
/// <summary>
/// 将经过压缩并保存为 Base64String 格式的字符串解压。
/// </summary>
/// <param name="base64String">经过压缩的 Base64String。</param>
private byte[] Decompress(string base64String)
{
using (MemoryStream ms = new MemoryStream(Convert.FromBase64String(base64String)))
{
ms.Position = 0;
using (MemoryStream ms2 = new MemoryStream())
{
using (DeflateStream df = new DeflateStream(ms, CompressionMode.Decompress))
{
byte[] buffer = new byte[4096];
int len = 0;
while ((len = df.Read(buffer, 0, buffer.Length)) > 0) ms2.Write(buffer, 0, len);
}
return ms2.ToArray();
}
}
}