/// <summary>
/// 测试GZipCompress压缩文件
/// </summary>
public static void TestGZipCompressFile()
{
string filePath = @"c:\test.txt";
FileInfo fileToCompress = new FileInfo(filePath);
GZipCompress.Compress(fileToCompress);
FileInfo fileToDecompress = new FileInfo(@"c:\test.txt.gz");
GZipCompress.Decompress(fileToDecompress);
}
static void Main(string[] args)
{
//压缩分为三种：1.字节数组 2.对文件的压缩 3.对字符串的压缩
//下面掩饰的是加解密字节数组
byte[] cbytes = null;
//压缩
using (MemoryStream cms = new MemoryStream())
{
using (System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(cms, System.IO.Compression.CompressionMode.Compress))
{
//将数据写入基础流，同时会被压缩
byte[] bytes = Encoding.UTF8.GetBytes("解压缩测试");
gzip.Write(bytes, 0, bytes.Length);
}
cbytes = cms.ToArray();
}
//解压
using (MemoryStream dms = new MemoryStream())
{
using (MemoryStream cms = new MemoryStream(cbytes))
{
using (System.IO.Compression.GZipStream gzip = new System.IO.Compression.GZipStream(cms, System.IO.Compression.CompressionMode.Decompress))
{
byte[] bytes = new byte[1024];
int len = 0;
//读取压缩流，同时会被解压
while ((len = gzip.Read(bytes, 0, bytes.Length)) > 0)
{
dms.Write(bytes, 0, len);
}
}
}
Console.WriteLine(Encoding.UTF8.GetString(dms.ToArray())); //result:"解压缩测试"
}
//————————————————————————————————————————————
//下面示例来自：http://www.cnblogs.com/yank/p/Compress.html
TestGZipCompressFile();
string str = "abssssdddssssssssss11111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111";
string orgStr = str;
string result = "";
//将传入的字符串直接进行压缩，解压缩，会出现乱码。
//先转码，然后再压缩。解压缩：先解压缩，再反转码
Console.WriteLine("源字符串为：{0}", str);
result = GZipCompress.Compress(str);
Console.WriteLine("压缩后为：{0}", result);
Console.Write("压缩前：{0},压缩后：{1}", str.Length, result.Length);
Console.WriteLine("开始解压...");
Console.WriteLine("解压后：{0}", result);
result = GZipCompress.Decompress(result);
Console.WriteLine("解压后与源字符串对比，是否相等：{0}", result == orgStr);
Console.WriteLine("源字符串为：{0}", str);
result = ZipComporessor.Compress(str);
Console.WriteLine("压缩后为：{0}", result);
Console.Write("压缩前：{0},压缩后：{1}", str.Length, result.Length);
Console.WriteLine("开始解压...");
Console.WriteLine("解压后：{0}", result);
result = ZipComporessor.Decompress(result);
Console.WriteLine("解压后与源字符串对比，是否相等：{0}", result == orgStr);
Console.WriteLine("输入任意键，退出！");
Console.ReadKey();
}