using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

/// <summary>
/// BASE64算法相关工具集
/// </summary>
public partial class Utils
{
    /// <summary>
    /// Base64加密
    /// </summary>
    /// <param name="rawString">源串</param>
    /// <returns>加密串</returns>
    public static string Encode_Base64(string rawString)
    {
        try
        {
            byte[] rawData = System.Text.Encoding.UTF8.GetBytes(rawString);
            return Convert.ToBase64String(rawData);
        }
        catch (Exception e)
        {
            throw new Exception("base64加密失败, 错误:" + e.Message + " info:" + rawString);
        }

    }

    /// <summary>
    /// Base64解密
    /// </summary>
    /// <param name="zippedString">加密串</param>
    /// <returns>源串</returns>
    public static string Decode_Base64(string zippedString)
    {
        try
        {
            zippedString = zippedString.Trim();
            byte[] zippedData = Convert.FromBase64String(zippedString);
            return (string)(System.Text.Encoding.UTF8.GetString(zippedData));
        }
        catch (Exception e)
        {
            throw new Exception("base64解密失败,错误:" + e.Message + " info:" + zippedString);
        }
    }
}