ZLPlugin_LisPacs_MR_NEW/ZLPlugin_LisPacs_MR/Domain/Extention/StrExtention.cs

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

namespace ZLPlugin_Extension.Domain.Extention
{
    public static class StrExtention
    {
        internal static string StringToBase64String(this string str, string encode = "utf-8")
        {
            var encoding = Encoding.GetEncoding(encode) ?? Encoding.UTF8;
            return Convert.ToBase64String(encoding.GetBytes(str));
        }

        internal static string Base64StringToString(this string str, string encode = "utf-8")
        {
            var encoding = Encoding.GetEncoding(encode) ?? Encoding.UTF8;
            return encoding.GetString(Convert.FromBase64String(str));
        }
    }
}