.net中Base64编解码

#region 对字符串进行Base64编码

        /// <summary>
        /// 对字符串进行Base64编码
        /// </summary>
        /// <param name="source"></param>
        /// <returns>string</returns>
        public static string Base64EnCode(this string source)
        {
            byte[] bytes = UTF8Encoding.UTF8.GetBytes(source);
            return Convert.ToBase64String(bytes);
        }

        #endregion

        #region 对字符串进行Base64解码

        /// <summary>
        /// 对字符串进行Base64解码
        /// </summary>
        /// <param name="source"></param>
        /// <returns>string</returns>
        public static string Base64Decode(this string source)
        {
            byte[] bytes = Convert.FromBase64String(source);
            return UTF8Encoding.UTF8.GetString(bytes);
        }

        #endregion