using System;
using System.Text;
class MainClass {
static void Main() {
string s = "hello world";
byte[] asciiData = Encoding.ASCII.GetBytes(s);
byte[] utf8Data = Encoding.UTF8.GetBytes(s);
string b1 = Convert.ToBase64String(asciiData);
string b2 = Convert.ToBase64String(utf8Data);
Console.WriteLine($"\n{b1}\n{b2}");
s = "嘗試一下吧。當然，寬字元不能用ASCII編碼的。";
asciiData = Encoding.ASCII.GetBytes(s);
utf8Data = Encoding.UTF8.GetBytes(s);
b1 = Convert.ToBase64String(asciiData);
b2 = Convert.ToBase64String(utf8Data);
Console.WriteLine($"\n{b1}\n{b2}");
}
}
