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using System; using System.Collections.Generic; using System.Text; namespace BytesEncodeDecode { class Program { static void Main(string[] args) { //原始字符串 string[] test = new string[5]; test[0] = "AAAAAAAAA"; test[1] = "BBBBBBBBB"; test[2] = "CCCCCCCCC"; test[3] = "DDDDDDDDD"; test[4] = "EEEEEEEEE"; //输出测试 Console.WriteLine("Origin:"); foreach (var item in test) { Console.WriteLine(item); } //编码 byte[] result1 = Encode(Encoding.UTF8.GetBytes(test[0]), Encoding.UTF8.GetBytes(test[1]), Encoding.UTF8.GetBytes(test[2]), Encoding.UTF8.GetBytes(test[3]), Encoding.UTF8.GetBytes(test[4])); //输出测试 Console.Write("\n\n"); Console.WriteLine("Encode:"); foreach (var item in result1) { Console.Write(item); Console.Write(","); } //解码 byte[][] result2 = Decode(result1); //输出测试 Console.Write("\n\n"); Console.WriteLine("Decode:"); for (int i = 0; i < result2.Length; i++) { string output = Encoding.UTF8.GetString(result2[i]); Console.WriteLine(output); } Console.ReadKey(); } //编码，将多个byte[]合并、添加分隔符 public static byte[] Encode(params byte[][] args) { byte splitChar = 124;//124:'|' int count = args.Length; List<byte> byteList = new List<byte>(); for (int i = 0; i < count; i++) { byteList.AddRange(args[i]); byteList.Add(splitChar); } return byteList.ToArray(); } //解码，从一个byte[]里根据分隔符拆分 public static byte[][] Decode(byte[] args) { byte splitChar = 124;//124:'|' List<byte>[] byteList = new List<byte>[10]; byteList[0] = new List<byte>(); //byteList计数，从第0个byteList开始 int count = 0; foreach (byte item in args) { if (item != splitChar) { byteList[count].Add(item); } else { //遇到分隔符，创建一个新的byteList count++; byteList[count] = new List<byte>(); } } //将List<Byte>数组转换成byte[][]二维数组 byte[][] result = new byte[count][]; for (int i = 0; i < count; i++) { result[i] = byteList[i].ToArray(); } return result; } } } |
测试：
![《C#学习笔记：Byte[]的合并与分割》](https://katyusha.net/wp-content/uploads/2019/07/2019073015483211.png)
