千亿级别数字的人民币读法

来源：互联网发布：mysql用户名和密码编辑：程序博客网时间：2024/06/11 10:06
</pre><pre name="code" class="java">package com.sungeo;/** * 人民币的读法是四位一节；  x仟x百x拾 x  （亿）     x仟x百x拾 x  （万） x仟x百x拾 x  * @author Administrator */public class NumToRmb {private String[] hanArr=new String[]{"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"};private String[] unitArr=new String[]{"拾","百","仟"};private String[] wyArr=new String[]{"万","亿"};private static String[]  xiaoArr=new String[]{"分","角","圆"};/** * @param args */public static void main(String[] args) {NumToRmb toRMB=new NumToRmb();String[] arr=toRMB.divideDouble(12001234.12);//输入数字，变成保留两位小数的人民币读法，支持千亿级别的人民币读法int len=checkLength(arr[0]);String readHan="";if(len<=4){readHan=toRMB.readZheng4(arr[0]);}else if(len<=8){readHan=toRMB.readZheng8(arr[0]);}else if(len<=12){readHan=toRMB.readZheng12(arr[0]);}else {System.out.println("只支持千亿级读法!");}System.out.println(readHan+(readHan==""?"":xiaoArr[2])+toRMB.readXiao(arr[1]));}private static int checkLength(String str){return str.length();}/** *  长度小于等于12的整数读法 */private String readZheng12(String numStr){String result="";String last8Str=numStr.substring(numStr.length()-8);String result8=readZheng8(last8Str);String first=numStr.substring(0, numStr.length()-8);String firstStr=readZheng4(first);result=firstStr+wyArr[1]+result8;return result;}/** * 长度小于等于8的整数读法 * @param numStr * @return */private String readZheng8(String numStr){String result="";String last4Str=numStr.substring(numStr.length()-4);String result4=readZheng4(last4Str);String first=numStr.substring(0, numStr.length()-4);String firstStr=readZheng4(first);result=firstStr+wyArr[0]+result4;return result;}/** *长度小于等于4的整数的读法 */private String readZheng4(String numStr){String result="";for(int i=0;i<numStr.length();i++){int num=numStr.charAt(i)-48;//‘4’->4;if(num!=0&&i!=numStr.length()-1){result+=hanArr[num]+unitArr[numStr.length()-i-2];}else if(num==0){ //中间为0的不读取}else {result+=hanArr[num];}}return result;}/** * 小数的读法 */private String readXiao(String xiaoStr){String result="";for(int i=0;i<xiaoStr.length();i++){int num=xiaoStr.charAt(i)-48;//‘4’->4;if(num!=0 ){result+=hanArr[num]+xiaoArr[xiaoArr.length-i-2];}}return result;}/** * 将一个double数分割成小数和整数两部分；   3.14d -> {"3","14"} * @param d  要分割的double 数 * @return   整数和小数形成的字符串数组  */private String[] divideDouble(double d){if(d<=0){System.out.println("请输入有效金额！");}String zheng=(long)d+"";String xiao=(long)Math.round((d%1*100))+"";return new String[]{zheng,xiao};}}
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