阿拉伯数字转换成对应的大写的汉字金额

昨天面试的时候让我编写一个将4位的阿拉伯数字转换成大写的金额
例如：1245  转换成  壹仟贰佰肆拾伍
当时的写的时候没有写全，回来后又写了一下，这里发出来和大家分享下，感觉还是写的
不好，望路过的大侠指点

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class NumtoHanzi
{
   
    /** <一句话功能简述>
     * <功能详细描述>
     * @param args
     * @see [类、类#方法、类#成员]
     */
    public static void main(String[] args)
    {
        //数据字典!
        char c[] = {'零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖'};
//        char unit[] = {'仟', '百', '十'};
        String[] unit = {"仟","佰","拾",""};
        //等待输入! 
        System.out.print("请输入一个阿拉伯数字: ");
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
//        Scanner sca = new Scanner(System.in);
        //得到输入! 
        String input = "";
        try
        {
//            while (sca.hasNextInt())
//            {
//                Integer a = sca.nextInt();
//               
//                input = a.toString();
//            }
           
            input = br.readLine();
            System.out.println(input);
            for (int count = 0; count < input.length(); count++)
            {
                //转成数字  
                char temp = input.charAt(count);
                switch (temp)
                {
                    case '1':
                        System.out.print(c[1]);
                        break;
                    case '2':
                        System.out.print(c[2]);
                        break;
                    case '3':
                        System.out.print(c[3]);
                        break;
                    case '4':
                        System.out.print(c[4]);
                        break;
                    case '5':
                        System.out.print(c[5]);
                        break;
                    case '6':
                        System.out.print(c[6]);
                        break;
                    case '9':
                        System.out.print(c[9]);
                        break;
                    case '8':
                        System.out.print(c[8]);
                        break;
                    case '0':
                        System.out.print(c[0]);
                        break;
                    default:
                        break;
                }
                    System.out.print(unit[count]);
               
            }
        }
        catch (Exception e)
        {
            e.printStackTrace();
        }
    }
}