C#字符串压缩

C#字符串压缩

#region  压缩和解压字符串/// 
/// 将传入字符串以GZip算法压缩后，返回Base64编码字符/// /// 需要压缩的字符串/// 压缩后的Base64编码的字符串public static string GZipCompressString(string rawString){if (string.IsNullOrEmpty(rawString) || rawString.Length == 0){return "";}else{byte[] rawData = System.Text.Encoding.UTF8.GetBytes(rawString.ToString());byte[] zippedData = Compress(rawData);return (string)(Convert.ToBase64String(zippedData));}}/// 
/// GZip压缩/// /// /// static byte[] Compress(byte[] rawData){System.IO.MemoryStream ms = new System.IO.MemoryStream();System.IO.Compression.GZipStream compressedzipStream = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Compress, true);compressedzipStream.Write(rawData, 0, rawData.Length);compressedzipStream.Close();return ms.ToArray();}/// 
/// 解压Sring /// /// /// public static string GetStringByString(string Value){//DataSet ds = new DataSet();string CC = GZipDecompressString(Value);//System.IO.StringReader Sr = new System.IO.StringReader(CC);//ds.ReadXml(Sr);return CC;}/// 
/// 解压/// /// /// public static DataSet GetDatasetByString(string Value){DataSet ds = new DataSet();string CC = GZipDecompressString(Value);System.IO.StringReader Sr = new System.IO.StringReader(CC);ds.ReadXml(Sr);return ds;}/// 
/// 将传入的二进制字符串资料以GZip算法解压缩/// /// 经GZip压缩后的二进制字符串/// 原始未压缩字符串public static string GZipDecompressString(string zippedString){if (string.IsNullOrEmpty(zippedString) || zippedString.Length == 0){return "";}else{byte[] zippedData = Convert.FromBase64String(zippedString.ToString());return (string)(System.Text.Encoding.UTF8.GetString(Decompress(zippedData)));}}/// 
/// ZIP解压/// /// /// public static byte[] Decompress(byte[] zippedData){System.IO.MemoryStream ms = new System.IO.MemoryStream(zippedData);System.IO.Compression.GZipStream compressedzipStream = new System.IO.Compression.GZipStream(ms, System.IO.Compression.CompressionMode.Decompress);System.IO.MemoryStream outBuffer = new System.IO.MemoryStream();byte[] block = new byte[1024];while (true){int bytesRead = compressedzipStream.Read(block, 0, block.Length);if (bytesRead <= 0)break;elseoutBuffer.Write(block, 0, bytesRead);}compressedzipStream.Close();return outBuffer.ToArray();}#endregion

转载自：https://www.cnblogs.com/sdusrz/p/13267793.html

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