csharp 需添加引用ICSharpCode.SharpZipLib

Posted 2021-05-12

    internal class ZipUtil    {        /// <summary>        /// 压缩        /// </summary>        /// <param name="param"></param>        /// <returns></returns>        public static string Compress(byte[] data)        {            MemoryStream ms = new MemoryStream();            Stream stream = new ICSharpCode.SharpZipLib.BZip2.BZip2OutputStream(ms);            try            {                stream.Write(data, 0, data.Length);            }            finally            {                stream.Close();                ms.Close();            }            return Convert.ToBase64String(ms.ToArray());        }        /// <summary>        /// 解压        /// </summary>        /// <param name="param"></param>        /// <returns></returns>        public static byte[] Decompress(string param)        {            byte[] buffer = Convert.FromBase64String(param);            MemoryStream ms = new MemoryStream(buffer);            Stream sm = new ICSharpCode.SharpZipLib.BZip2.BZip2InputStream(ms);            //这里要指明要读入的格式，要不就有乱码            StreamReader reader = new StreamReader(sm, System.Text.Encoding.UTF8);            try            {                return System.Text.Encoding.UTF8.GetBytes(reader.ReadToEnd());            }            finally            {                sm.Close();                ms.Close();            }        }    }