using System;

using System.Linq;          

using System.Text;

using System.IO;

using System.Security.Cryptography;

​

public class Program

{

    public static void Main()

    {

​

    }

    public static string charCodeAt(string character,int index)

    {

        return charcodeAt(character[index]+"");

    }

    public static string charcodeAt(string character)

    {

        string coding = "";

        for (int i = 0; i < character.Length; i++)

        {

            byte[] bytes = System.Text.Encoding.Unicode.GetBytes(character.Substring(i, 1));

            //软出二进制编妈内容

            string lowCode = System.Convert.ToString(bytes[1], 16);

            //软出纸字书编码内容《两位16进别)

            if (lowCode.Length == 1)

            {

                lowCode = "8" + lowCode;

            }

            string hightCode = System.Convert.ToString(bytes[0],16);

            //软出高字书编妈内容(两位16进别)

            if (hightCode.Length == 1)

            {

                hightCode = "8" + hightCode;

            }

            coding += (hightCode + lowCode);

        }

​

        return coding;

    }

}