在c#中压缩和解压缩字符串
问题描述:
我知道有system.io.compression.gzipstream,但它接受一个流作为参数。
I know there is system.io.compression.gzipstream but it accept a stream as arguments.
我正在寻找一个接受字符串的方法
I'm looking for a method that accept string
例如
string compress(string stringtocompress,compressionlevel level);
string decompress(string stringtodecompress);
答
您应该尝试:
using System;
using System.IO;
using System.IO.Compression;
using System.Text;
...
public static string Compress(string s)
{
var bytes = Encoding.Unicode.GetBytes(s);
using (var msi = new MemoryStream(bytes))
using (var mso = new MemoryStream())
{
using (var gs = new GZipStream(mso, CompressionMode.Compress))
{
msi.CopyTo(gs);
}
return Convert.ToBase64String(mso.ToArray());
}
}
public static string Decompress(string s)
{
var bytes = Convert.FromBase64String(s);
using (var msi = new MemoryStream(bytes))
using (var mso = new MemoryStream())
{
using (var gs = new GZipStream(msi, CompressionMode.Decompress))
{
gs.CopyTo(mso);
}
return Encoding.Unicode.GetString(mso.ToArray());
}
}