using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Data; using System.Runtime.Serialization.Formatters.Binary; using System.IO; using System.IO.Compression; using System.Runtime.Serialization; namespace CommonClass { class SerializeUtilty { /// <summary> /// 序列化object对象并压缩 /// </summary> /// <param name="ds"></param> public static string SerializerAndCompression(object obj) { IFormatter formatter = new BinaryFormatter();//定义BinaryFormatter以序列化object对象 MemoryStream ms = new MemoryStream();//创建内存流对象 string SerFileName = obj.GetType().Name + ".dat";//序列化后文件的名字 formatter.Serialize(ms, obj);//把object对象序列化到内存流 byte[] buffer = ms.ToArray();//把内存流对象写入字节数组 ms.Close();//关闭内存流对象 ms.Dispose();//释放资源 FileStream fs = File.Create(SerFileName);//创建文件 GZipStream gzipStream = new GZipStream(fs, CompressionMode.Compress, true);//创建压缩对象 gzipStream.Write(buffer, 0, buffer.Length);//把压缩后的数据写入文件 gzipStream.Close();//关闭压缩流,这里要注意:一定要关闭,要不然解压缩的时候会出现小于4K的文件读取不到数据,大于4K的文件读取不完整 gzipStream.Dispose();//释放对象 fs.Close();//关闭流 fs.Dispose();//释放对象 return SerFileName; } /// <summary> /// 反序列化压缩的object /// </summary> /// <param name="_filePath"></param> /// <returns></returns> public static object DeserializeAndDecompress(string _filePath) { FileStream fs = File.OpenRead(_filePath);//打开文件 fs.Position = 0;//设置文件流的位置 GZipStream gzipStream = new GZipStream(fs, CompressionMode.Decompress);//创建解压对象 byte[] buffer = new byte[4096];//定义数据缓冲 int offset = 0;//定义读取位置 MemoryStream ms = new MemoryStream();//定义内存流 while ((offset = gzipStream.Read(buffer, 0, buffer.Length)) != 0) { ms.Write(buffer, 0, offset);//解压后的数据写入内存流 } BinaryFormatter sfFormatter = new BinaryFormatter();//定义BinaryFormatter以反序列化object对象 ms.Position = 0;//设置内存流的位置 object obj; try { obj = (object)sfFormatter.Deserialize(ms);//反序列化 } catch { throw; } finally { ms.Close();//关闭内存流 ms.Dispose();//释放资源 } fs.Close();//关闭文件流 fs.Dispose();//释放资源 gzipStream.Close();//关闭解压缩流 gzipStream.Dispose();//释放资源 return obj; } /// <summary> /// 不压缩直接序列化obj /// </summary> /// <param name="ds"></param> public static string Serializer(object obj) { IFormatter formatter = new BinaryFormatter();//定义BinaryFormatter以序列化object对象 string SerFileName = obj.GetType().Name + ".dat";//序列化后文件的名字 FileStream fs = File.Create(SerFileName);//创建文件 formatter.Serialize(fs, obj);//把object对象序列化到文件 fs.Close();//关闭流 fs.Dispose();//释放对象 return SerFileName; } /// <summary> /// 反序列化未压缩的object /// </summary> /// <param name="_filePath"></param> /// <returns></returns> public static object Deserialize(string _filePath) { FileStream fs = File.OpenRead(_filePath);//打开文件 fs.Position = 0;//设置文件流的位置 BinaryFormatter sfFormatter = new BinaryFormatter();//定义BinaryFormatter以反序列化object对象 object obj; try { obj = (object)sfFormatter.Deserialize(fs);//反序列化 } catch { throw; } finally { fs.Close();//关闭内存流 fs.Dispose();//释放资源 } fs.Close();//关闭文件流 fs.Dispose();//释放资源 return obj; } } }
Powered by: 博客园 Copyright © 2024 codingsilence Powered by .NET 9.0 on Kubernetes