数字转换金额
package com.chenqian.test;import java.awt.image.BufferStrategy;import java.util.Scanner;public class NumberToUpper { /** 大写数字 */ private static final char[] big = "零壹贰叁肆伍陸柒捌玖".toCharArray(); /** 整数部分的单位 */ private static final char[] iunit = "元拾佰仟万亿".toCharArray(); /** 小数部分的单位 */ // private static final char[] dunit = {'角','分'}; private static final String toChinese(String num) {char[] arabia = num.toCharArray();int length = num.length();StringBuffer result = new StringBuffer(length * 2);for (int i = 0; i = 9) { if (varlen == 9) c = iunit; else c = iunit;} else if (varlen >= 5) { if (varlen == 5) c = iunit; else c = iunit;} else c = iunit;return c; } public static void main(String[] args) {System.out.print("请输入需要转换的金额(13位整数)：");Scanner scanner = new Scanner(System.in);String number = scanner.nextLine(); String result;// String expression = "\\d{1,13}";String expression = "\\d{0,12}";//正则表达式if (number.matches(expression)) result = toChinese(number);else result = "输入有误，无法计算";System.out.println(result); System.out.print("是否继续(Y/N)：");String yn = scanner.next();if(yn.equalsIgnoreCase("y")) main(args);else System.exit(0); }}
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