using System;

 using System.Collections.Generic;

 using System.Linq;

 using System.Text;

 using System.Threading.Tasks;

 namespace ByteToString

 {

     class Program

     {

         static void Main(string[] args)

         {

             string str = "鞠哥真帅！";

             //使用UTF编码。。。

             Byte[] utf8 = StrToByte(str, Encoding.UTF8);

             //估计C#当时设计时没有中文简体，这是后来中国搞的？

             Byte[] gb2312 = StrToByte(str,Encoding.GetEncoding("GB2312"));

             Console.WriteLine("这是UTF8(鞠哥真帅),长度是:{0}",utf8.Length);

             foreach (var item in utf8)

             {

                 Console.Write(item);

             }

             Console.WriteLine("\n\n这是gb2312(鞠哥真帅),长度是:{0}",gb2312.Length);

             foreach (var item in gb2312)

             {

                 Console.Write(item);

             }

             //用utf8编码的字节数组转换为str

             string utf8Str = ByteToStr(utf8,Encoding.UTF8);

             string gb2312Str = ByteToStr(gb2312,Encoding.GetEncoding("GB2312"));

             Console.WriteLine("\n\nutf8: {0}",utf8Str);

             Console.WriteLine("gb2312: {0}",gb2312Str);

             Console.ReadKey();

         }

         //C#通常使用System.Text.Encoding编码

         //字符串转数组

         static Byte[] StrToByte(string str, Encoding encoding)

         {

            return encoding.GetBytes(str);

         }

         //数组转换字符串

         static String ByteToStr(Byte[] bt,Encoding encoding)

         {

             return encoding.GetString(bt);

         }

     }

 }