C# Base64 转字节 字节转普通字符串
static void Main(string[] args) { string s = "dv=1111102101280002&bid=3223121060100058,3223121060100059,3223121060100789,3223121030100538&soc=99,100,88,65&ds=0,0,0,0&ram=123456"; Console.WriteLine(s); byte[] payload = Encoding.Default.GetBytes(s); String payloadStr = Convert.ToBase64String(payload); Console.WriteLine(payloadStr); var bylst = Convert.FromBase64String(payloadStr); var iss= System.Text.Encoding.Default.GetString(bylst); Console.WriteLine(iss); Console.Read(); }