简单的编码加密

using System;


using System.Collections.Generic;


using System.Text;




namespace CEncrypt






{


    public class Encrypt




    

{


        public Encrypt()




        

{ }




        /**//// <summary>


        /// 加密


        /// </summary>


        /// <param name="str">被加密字符</param>


        /// <param name="level">加密强度</param>


        /// <returns></returns>


        public static string EncryptCode(string str,int level)




        

{


            string temp = Convert.ToBase64String(Encoding.Default.GetBytes(str));


            for (int i = 0; i < level; i++)




            

{


                temp = Convert.ToBase64String(Encoding.Default.GetBytes(temp));


            }


            return temp;


        }




        /**//// <summary>


        /// 加密


        /// </summary>


        /// <param name="str">被解密字符</param>


        /// <param name="level">对应的加密强度</param>


        /// <returns></returns>


        public static string UnEncryptCode(string str,int level)




        

{


            string temp = Encoding.Default.GetString(Convert.FromBase64String(str));


            for (int i = 0; i < level; i++)




            

{


                temp= Encoding.Default.GetString(Convert.FromBase64String(temp));


            }


            return temp;


        }




    }


}