C# 文件与字节数组Bytes[]之间相互转换

 

C# 文件与字节数组Bytes[]之间相互转换

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using System.IO;    namespace FileBytes {     class Program     {         static void Main(string[] args)         {             byte[] bytes = FileToBytes(@"D:\1.txt");             if (bytes.Length > 0)             {                 // 重新保存一份文件                 BytesToFile(bytes, @"D:\2.txt");             }                // 文件重新保存md5, sha1不变         }            /// <summary>         /// 文件 -> Bytes         /// </summary>         /// <param name="path">指定路径文件</param>         /// <returns>返回Stream</returns>         public static byte[] FileToBytes(string path)         {             try             {                 if (!System.IO.File.Exists(path)) { return new byte[0]; }                    using (FileStream fs = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.Read))                 {                     // 读取文件的 byte[]                     byte[] bytes = new byte[fs.Length];                     fs.Read(bytes, 0, bytes.Length);                     return bytes;                 }             }             catch             {                 throw;             }         }            /// <summary>         /// Bytes -> 文件         /// </summary>         /// <param name="bytes">byte数组</param>         /// <param name="path">保存地址</param>         public static void BytesToFile(byte[] bytes, string path)         {             try             {                 // 文件存在则删除                 if (System.IO.File.Exists(path)) { System.IO.File.Delete(path); }                    // 写入文件，方式一                 using (FileStream fs = new FileStream(path, FileMode.CreateNew))                 {                     using (BinaryWriter bw = new BinaryWriter(fs))                     {                         bw.Write(bytes, 0, bytes.Length);                     }                 }                    // 写入文件，方式二                 //System.IO.File.WriteAllBytes(path, bytes);             }             catch             {                 throw;             }         }     } }