本程序的作用是将人民币的小写形式转换为大写，例如：调用upper(“18.5″)，将会返回字符串“壹拾捌圆伍角”。
[java] view plaincopy package com.zzb.test0; import junit.framework.Assert; import org.junit.Test; /** * 测试人民币小写转大写 * @author zhengzhb */ public class UpperMoney { public String upper(String money) throws Exception{ if(!money.matches(“^[1-9]+[0-9]*$|^[1-9]+[0-9]*.[0-9]+$” )){ throw new Exception(“钱数格式错误！”); } String[] part= money.split(“\\.”); StringBuffer integer = new StringBuffer(); for(int i=0;i<part[0].length();i++){ char perchar = part[0].charAt(i); integer.append(this.upperNumber(perchar)); integer.append(this.upperNumber(part[0].length()-i-1)); } StringBuffer decimal = new StringBuffer(); if(part.length>1 && !“00”.equals(part[1])){ int length = part[1].length()>=2?2:part[1].length(); for(int i=0;i<length;i++){ char perchar = part[1].charAt(i); decimal.append(this.upperNumber(perchar)); if(i==0)decimal.append(‘角’); if(i==1)decimal.append(‘分’); } } String result = integer.toString()+decimal.toString(); return this.dispose(result); } private char upperNumber(char number){ switch(number){ case ‘0’: return ‘零’; case ‘1’: return ‘壹’; case ‘2’: return ‘贰’; case ‘3’: return ‘叁’; case ‘4’: return ‘肆’; case ‘5’: return ‘伍’; case ‘6’: return ‘陆’; case ‘7’: return ‘柒’; case ‘8’: return ‘捌’; case ‘9’: return ‘玖’; } return 0; } private char upperNumber(int index){ switch(index){ case 0: return ‘圆’; case 1: return ‘拾’; case 2: return ‘佰’; case 3: return ‘仟’; case 4: return ‘万’; case 5: return ‘拾’; case 6: return ‘佰’; case 7: return ‘仟’; case 8: return ‘亿’; case 9: return ‘拾’; case 10: return ‘佰’; case 11: return ‘仟’; } return 0; } private String dispose(String result){ result = result.replaceAll(“零仟零佰零拾|零仟零佰|零佰零拾|零仟|零佰|零拾”, “零”) .replaceAll(“零+”, “零”).replace(“零亿”, “亿”); result = result.matches(“^.*亿零万[^零]仟.*$” )?result.replace(“零万”, “零”) :result.replace(“零万”, “万”); result = result.replace(“亿万”, “亿”).replace(“零圆”, “圆”).replace(“零分”, “”) .replaceAll(“圆零角零分|圆零角$|圆$” , “圆整”); return result; } @Test public void test(){ try { Assert.assertEquals(upper(“1”), “壹圆整”); Assert.assertEquals(upper(“10”), “壹拾圆整”); Assert.assertEquals(upper(“20.7”), “贰拾圆柒角”); Assert.assertEquals(upper(“10.70”), “壹拾圆柒角”); Assert.assertEquals(upper(“18.5”), “壹拾捌圆伍角”); Assert.assertEquals(upper(“200.5”), “贰佰圆伍角”); Assert.assertEquals(upper(“2000”), “贰仟圆整”); Assert.assertEquals(upper(“50000”), “伍万圆整”); Assert.assertEquals(upper(“500000”), “伍拾万圆整”); Assert.assertEquals(upper(“5000000”), “伍佰万圆整”); Assert.assertEquals(upper(“50000000”), “伍仟万圆整”); Assert.assertEquals(upper(“500000000”), “伍亿圆整”); Assert.assertEquals(upper(“5000000000”), “伍拾亿圆整”); Assert.assertEquals(upper(“5000000001”), “伍拾亿零壹圆整”); Assert.assertEquals(upper(“5000000021”), “伍拾亿零贰拾壹圆整”); Assert.assertEquals(upper(“5000000421”), “伍拾亿零肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5000005421”), “伍拾亿零伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5000035421”), “伍拾亿零叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5000635421”), “伍拾亿零陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5004635421”), “伍拾亿零肆佰陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5024635421”), “伍拾亿贰仟肆佰陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“5224635421”), “伍拾贰亿贰仟肆佰陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“15224635421”), “壹佰伍拾贰亿贰仟肆佰陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“215224635421”), “贰仟壹佰伍拾贰亿贰仟肆佰陆拾叁万伍仟肆佰贰拾壹圆整”); Assert.assertEquals(upper(“500021”), “伍拾万零贰拾壹圆整”); Assert.assertEquals(upper(“5000821”), “伍佰万零捌佰贰拾壹圆整”); Assert.assertEquals(upper(“5050006501”), “伍拾亿伍仟万陆仟伍佰零壹圆整”); Assert.assertEquals(upper(“550300001”), “伍亿伍仟零叁拾万零壹圆整”); } catch (Exception e) { e.printStackTrace(); } } }