C#項(xiàng)目中較多使用了序列化和反序列化,較為常用的序列化和反序列化操作有二進(jìn)制流,JSON,XML等,現(xiàn)在介紹一下.net中二進(jìn)制流的序列化和反序列化操作方法:
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////// 將對(duì)象序列化為byte[] /// 使用IFormatter的Serialize序列化 /// /// 需要序列化的對(duì)象 ///序列化獲取的二進(jìn)制流 public static byte[] FormatterObjectBytes(object obj) { if(obj==null) throw new ArgumentNullException("obj"); byte[] buff; try { using (var ms = new MemoryStream()) { IFormatter iFormatter = new BinaryFormatter(); iFormatter.Serialize(ms, obj); buff = ms.GetBuffer(); } } catch (Exception er) { throw new Exception(er.Message); } return buff; }
2.將對(duì)象轉(zhuǎn)為二進(jìn)制文件,并保存到指定的文件中:
////// 將對(duì)象轉(zhuǎn)為二進(jìn)制文件,并保存到指定的文件中 /// /// 文件路徑 /// 待存的對(duì)象 ///public static bool BinaryFileSave(string name,object obj) { Stream flstr=null; BinaryWriter binaryWriter=null; try { flstr = new FileStream(name, FileMode.Create); binaryWriter = new BinaryWriter(flstr); var buff = FormatterObjectBytes(obj); binaryWriter.Write(buff); } catch (Exception er) { throw new Exception(er.Message); } finally { if (binaryWriter != null) binaryWriter.Close(); if (flstr != null) flstr.Close(); } return true; }
3.將byte[]反序列化為對(duì)象:
////// 將byte[]反序列化為對(duì)象 /// 使用IFormatter的Deserialize發(fā)序列化 /// /// 傳入的byte[] ///public static object FormatterByteObject(byte[] buff) { if(buff==null) throw new ArgumentNullException("buff"); object obj; try { using (var ms = new MemoryStream()) { IFormatter iFormatter = new BinaryFormatter(); obj = iFormatter.Deserialize(ms); } } catch (Exception er) { throw new Exception(er.Message); } return obj; }
4.將對(duì)象序列化為byte[]:
////// 將對(duì)象序列化為byte[] /// 使用Marshal的StructureToPtr序列化 /// /// 需序列化的對(duì)象 ///序列化后的byte[] public static byte[] MarshalObjectByte(object obj) { if(obj==null) throw new ArgumentNullException("obj"); byte[] buff; try { buff = new byte[Marshal.SizeOf(obj)]; var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buff, 0); Marshal.StructureToPtr(obj, ptr, true); } catch (Exception er) { throw new Exception(er.Message); } return buff; }
5.將byte[]序列化為對(duì)象:
////// 將byte[]序列化為對(duì)象 /// /// 被轉(zhuǎn)換的二進(jìn)制流 /// 轉(zhuǎn)換成的類(lèi)名 ///public static object MarshalByteObject(byte[] buff, Type type) { if(buff==null) throw new ArgumentNullException("buff"); if(type==null) throw new ArgumentNullException("type"); try { var ptr = Marshal.UnsafeAddrOfPinnedArrayElement(buff, 0); return Marshal.PtrToStructure(ptr, type); } catch (Exception er) { throw new Exception(er.Message); } }
6.將文件轉(zhuǎn)換為byte數(shù)組:
////// 將文件轉(zhuǎn)換為byte數(shù)組 /// /// 文件地址 ///轉(zhuǎn)換后的byte[] public static byte[] FileObjectBytes(string path) { if(string.IsNullOrEmpty(path)) throw new ArgumentNullException("path"); if (!File.Exists(path)) return new byte[0]; try { var fi = new FileInfo(path); var buff = new byte[fi.Length]; var fs = fi.OpenRead(); fs.Read(buff, 0, Convert.ToInt32(fs.Length)); fs.Close(); return buff; } catch (Exception er) { throw new Exception(er.Message); } }
7.將byte[]轉(zhuǎn)換為文件并保存到指定的地址:
////// 將byte[]轉(zhuǎn)換為文件并保存到指定的地址 /// /// 需反序列化的byte[] /// 文件保存的路徑 ///是否成功 public static string FileByteObject(byte[] buff, string savePath) { if(buff==null) throw new ArgumentNullException("buff"); if(savePath==null) throw new ArgumentNullException("savePath"); if (File.Exists(savePath)) return "文件名重復(fù)"; try { var fs = new FileStream(savePath, FileMode.CreateNew); var bw = new BinaryWriter(fs); bw.Write(buff, 0, buff.Length); bw.Close(); fs.Close(); } catch (Exception er) { throw new Exception(er.Message); } return "保存成功"; }
8.將圖片序列化為二進(jìn)制流:
////// 將圖片序列化為二進(jìn)制流 /// /// 圖片路徑 ///序列化后的二進(jìn)制流 public static byte[] SetImgToBytes(string imgPath) { if(string.IsNullOrEmpty(imgPath)) throw new ArgumentNullException(imgPath); try { byte[] byteData; using (var file=new FileStream(imgPath,FileMode.Open,FileAccess.Read)) { byteData=new byte[file.Length]; file.Read(byteData, 0, byteData.Length); file.Close(); } return byteData; } catch (Exception er) { throw new Exception(er.Message); } }
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