人民币小写转换为大写

来源：互联网发布：淘宝鸿星尔克编辑：程序博客网时间：2024/05/21 10:23

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”。

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();
}
}
}

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