C#实现对字符串的Base64编码解码,示例代码如下:

编码:

byte[] bytes = Encoding.Default.GetBytes("要转换的字符");
string str = Convert.ToBase64String(bytes);

解码:

byte[] outputb = Convert.FromBase64String(str);
string orgStr = Encoding.Default.GetString(outputb);

参考链接:https://www.cnblogs.com/caoyc/p/5794727.html