这篇文章主要介绍了Java如何将数字金额转为大写中文金额,具有一定借鉴价值,感兴趣的朋友可以参考下,希望大家阅读完这篇文章之后大有收获,下面让小编带着大家一起了解一下。
前言:
输入数字金额参数,运行程序得到其对应的大写中文金额;例如:输入— 12.56,输出— 12.56:壹拾贰元伍角陆分;
奉上代码:
/** *@Title: ConvertUpMoney * @Description: 将数字金额转为大写汉字金额 * @date: 2019年6月18日 下午10:52:27 */ public class ConvertUpMoney { //大写数字 private static final String[] NUMBERS = {"零","壹","贰","叁","肆","伍","陆","柒","捌","玖"}; // 整数部分的单位 private static final String[] IUNIT = {"元","拾","佰","仟","万","拾","佰","仟","亿","拾","佰","仟","万","拾","佰","仟"}; //小数部分的单位 private static final String[] DUNIT = {"角","分","厘"}; //转成中文的大写金额 public static String toChinese(String str) { //判断输入的金额字符串是否符合要求 if (StringUtils.isBlank(str) || !str.matches("(-)?[\\d]*(.)?[\\d]*")) { System.out.println("抱歉,请输入数字!"); return str; } if("0".equals(str) || "0.00".equals(str) || "0.0".equals(str)) { return "零元"; } //判断是否存在负号"-" boolean flag = false; if(str.startsWith("-")){ flag = true; str = str.replaceAll("-", ""); } str = str.replaceAll(",", "");//去掉"," String integerStr;//整数部分数字 String decimalStr;//小数部分数字 //初始化:分离整数部分和小数部分 if(str.indexOf(".")>0) { integerStr = str.substring(0,str.indexOf(".")); decimalStr = str.substring(str.indexOf(".")+1); }else if(str.indexOf(".")==0) { integerStr = ""; decimalStr = str.substring(1); }else { integerStr = str; decimalStr = ""; } //beyond超出计算能力,直接返回 if(integerStr.length()>IUNIT.length) { System.out.println(str+":超出计算能力"); return str; } int[] integers = toIntArray(integerStr);//整数部分数字 //判断整数部分是否存在输入012的情况 if (integers.length>1 && integers[0] == 0) { System.out.println("抱歉,请输入数字!"); if (flag) { str = "-"+str; } return str; } boolean isWan = isWan5(integerStr);//设置万单位 int[] decimals = toIntArray(decimalStr);//小数部分数字 String result = getChineseInteger(integers,isWan)+getChineseDecimal(decimals);//返回最终的大写金额 if(flag){ return "负"+result;//如果是负数,加上"负" }else{ return result; } } //将字符串转为int数组 private static int[] toIntArray(String number) { int[] array = new int[number.length()]; for(int i = 0;i<number.length();i++) { array[i] = Integer.parseInt(number.substring(i,i+1)); } return array; } //将整数部分转为大写的金额 public static String getChineseInteger(int[] integers,boolean isWan) { StringBuffer chineseInteger = new StringBuffer(""); int length = integers.length; if (length == 1 && integers[0] == 0) { return ""; } for(int i=0;i<length;i++) { String key = ""; if(integers[i] == 0) { if((length - i) == 13)//万(亿) key = IUNIT[4]; else if((length - i) == 9) {//亿 key = IUNIT[8]; }else if((length - i) == 5 && isWan) {//万 key = IUNIT[4]; }else if((length - i) == 1) {//元 key = IUNIT[0]; } if((length - i)>1 && integers[i+1]!=0) { key += NUMBERS[0]; } } chineseInteger.append(integers[i]==0?key:(NUMBERS[integers[i]]+IUNIT[length - i -1])); } return chineseInteger.toString(); } //将小数部分转为大写的金额 private static String getChineseDecimal(int[] decimals) { StringBuffer chineseDecimal = new StringBuffer(""); for(int i = 0;i<decimals.length;i++) { if(i == 3) { break; } chineseDecimal.append(decimals[i]==0?"":(NUMBERS[decimals[i]]+DUNIT[i])); } return chineseDecimal.toString(); } //判断当前整数部分是否已经是达到【万】 private static boolean isWan5(String integerStr) { int length = integerStr.length(); if(length > 4) { String subInteger = ""; if(length > 8) { subInteger = integerStr.substring(length- 8,length -4); }else { subInteger = integerStr.substring(0,length - 4); } return Integer.parseInt(subInteger) > 0; }else { return false; } } //Test public static void main(String[] args) { String number = "12.56"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "1234567890563886.123"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "1600"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "156,0"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "-156,0"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "0.12"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "0.0"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "01.12"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "0125"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "-0125"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); number = "sdw5655"; System.out.println(number+": "+ConvertUpMoney.toChinese(number)); System.out.println(null+": "+ConvertUpMoney.toChinese(null)); } }
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