public class StringTempte
    {
        public static void GetChar()
        {

            double d;
            d = char.GetNumericValue('\u0033');
            Console.WriteLine(d.ToString());

            string a = "d"; 
            char[] achar = a.ToCharArray(); 
            Console.WriteLine(achar[0].ToString());
 
        }
    }

    public class StringTempte
    {
        public static void GetChar()
        {char c;
            int n;
            //通过C#强制类型转换
            c = (char)65;
            Console.WriteLine("int强制转换char:{0}", c);
            n = (int)c;
            Console.WriteLine("char强制转换int:{0}", n);


            //使用Convert
            c = Convert.ToChar(65);
            Console.WriteLine("int强制转换char:{0}", c);
            n = Convert.ToInt32(c);
            Console.WriteLine("char强制转换int:{0}", n);

            //使用IConvertible
            c = ((IConvertible)65).ToChar(null);
            Console.WriteLine("int强制转换char:{0}", c);
            n = ((IConvertible)c).ToInt32(null);
            Console.WriteLine("char强制转换int:{0}", n); 

        }
    }