数字转成大写
1,本程序是一个关于数字转化成大写的小程序,支持小数,例如:123 一百二十三,56.78 五十六点七八
2,目前支持的最大位数到兆为止,请看程序
/** * */package com.img.collection;import java.util.Scanner;import java.util.regex.Pattern;/** * change the number from lower to upper(e.g.1:壹) * * @author Bruce * @date Sep 24, 2011 * @version */public class UpperCaseCharacter {public static void main(String[] args) {Scanner sc = new Scanner(System.in);String str = null;while (true) {System.out.println("Type number:");str = sc.next();if (!str.matches("\\d+\\.?\\d*")) {System.out.println("Type format is invalid");continue;}String[] numInfo = str.split("\\.");if (!str.matches("\\d+\\.\\d*")) {System.out.println(parser(numInfo[0]));} else {String before = numInfo[0];String tail = numInfo[1];System.out.println(parser(before, tail));}break;}}/** * TODO * * @param before * @param tail */private static String parser(String before, String tail) {String start = parser(before);int length = tail.length();StringBuilder sb = new StringBuilder();String end = null;for (int i = 0; i < length; i++) {char ch = tail.charAt(i);sb.append(convertNum(ch));}end = sb.toString();return start + "点" + end;}private static String convertNum(char c) {switch (c) {case '0':return "零";case '1':return "壹";case '2':return "贰";case '3':return "叁";case '4':return "肆";case '5':return "五";case '6':return "六";case '7':return "七";case '8':return "八";case '9':return "玖";default:break;}return null;}private static String convert(int c) {switch (c) {// 亿，千(万)，百(万)， 十(万)， 万，千，百，十, 897654case 1:return "十";case 2:return "百";case 3:return "千";case 4:return "万";case 5:return "十";case 6:return "百";case 7:return "千";case 8:return "亿";case 9:return "十";case 10:return "百";case 11:return "千";case 12:return "万";case 13:return "兆";default:break;}return null;}/** * TODO * * @param str * @return */private static String parser(String str) {int length = str.length();StringBuilder sb = new StringBuilder();for (int i = 0; i < length; i++) {char ch = str.charAt(i);sb.append(convertNum(ch));if (length - 1 - i != 0) {sb.append(convert(length - 1 - i));}}return sb.toString();}// 909878.}// 亿，千(万)，百(万)， 十(万)， 万，千，百，十, 897654