將文件轉換成二進制方法：

???? /// <summary>
??? /// 將文件轉換成二進制
??? /// </summary>
??? /// <param name="Path">文件路徑</param>
??? /// <returns></returns>
??? public static byte[] ConvertToBinary(string Path)
??? {
??????? FileStream stream = new FileInfo(Path).OpenRead();
??????? byte[] buffer = new byte[stream.Length];
??????? stream.Read(buffer, 0, Convert.ToInt32(stream.Length));
??????? return buffer;
??? }

?

將二進制轉換成文件方法：

using System.IO;

?

string filePath = "D:\\a.jpg";?? //文件路徑
byte[] br = ConvertToBinary(filePath);
FileStream fstream = File.Create(filePath, br.Length);
try
{??
?????fstream.Write(br, 0, br.Length);?? //二進制轉換成文件
}
catch(Exception ex)
{
?????//拋出異常信息
}
?finally
{
?????fstream.Close();????
}?

?

?

附加：二進制與圖片互轉

??? Image aa = new Bitmap(@"E:\photo\tm.jpg");

????System.IO.MemoryStream stream = new System.IO.MemoryStream();
?????System.Runtime.Serialization.Formatters.Binary.BinaryFormatter formatter?
???? = new?? System.Runtime.Serialization.Formatters.Binary.BinaryFormatter(); formatter.Serialize(stream, aa); //將圖像序列化成二進制流
????????????????????????
??????????? stream.Position = 0;
??????????? Image bb = (Image)formatter.Deserialize(stream);? //將二進制流序列成Image
??????????????

轉載于:https://www.cnblogs.com/lmjob/archive/2008/10/07/1305638.html

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