人民币，大写中文与数字之间转换

import java.util.Scanner;

public class RMBTest {

public static void main(String[] args) {
Scanner scan=new Scanner(System.in);
while (scan.hasNext())
{
RMB r=new RMB(scan.next());
r.show();
}
}
}

class RMB {
private String num[]={"零","一" ,"二" ,"三" ,"四" ,"五" ,"六" ,"七" ,"八" ,"九"};
private String unit[]={"厘","分","角","","十","百","千"};
private String a="";
private String b="";
boolean isZero=false;
public RMB(String money) {
int i=0;
for(;i<money.length()&&money.charAt(i)!='.';i++)
{
a=a+money.charAt(i);
}
while(++i<money.length())
{
b=b+money.charAt(i);
}
}
public String divideByInteger()
{
String answer="";
if(!a.equals("0"))
{

answer=answer+ devideByHM(a)+"元";
}
if(!b.equals(""))
{
answer=answer + small();
}

return answer;
}
public String small()
{
String answer="";
int n=2;
boolean isZero=false;
boolean firstZero=(b.charAt(0)=='0'&&a.equals("0")?true:false);
for(int i=0;n-i>=0&&i<b.length();i++)
{
if(b.charAt(i)=='0')
{
isZero=true;
continue;
}
if(isZero&&!firstZero)
{
answer=answer+num[0]+num[b.charAt(i)-'0']+unit[n-i];
isZero=false;
}
else
{
answer=answer+num[b.charAt(i)-'0']+unit[n-i];
}
}
return answer;
}
public String devideByHM(String a)
{
String answer="";
if(a.length()>8)
{
answer=answer+ devideByTS(a.substring(0,a.length()-8))+"亿";
if(a.substring(a.length()-8,a.length()).charAt(0)=='0')isZero=true;
answer=answer+ devideByTS(a.substring(a.length()-8,a.length()));
}
else
{
answer=answer+ devideByTS(a);
}
return answer;
}
public String devideByTS(String a)
{
String answer="";
if(a.length()>4&&!allZero(a.substring(0,a.length()-4)))
{
answer=answer+ devideByThousand(a.substring(0,a.length()-4))+"万";
if(a.substring(a.length()-4,a.length()).charAt(0)=='0')isZero=true;
answer=answer+ devideByThousand(a.substring(a.length()-4,a.length()));
}
else
{
answer=answer+ devideByThousand(a.substring(/*a.length()-4*/0,a.length()));
}
return answer;
}
public String devideByThousand(String a)
{
String answer="";
int unitStart=3;
int unitEnd=6;

for(int i=0;unitEnd-i>=unitStart&&i<a.length();i++)
{
if(a.charAt(i)=='0')
{
isZero=true;
continue;
}
if(isZero)
{
answer=answer+num[0]+num[a.charAt(i)-'0']+unit[unitStart-1+a.length()-i];
isZero=false;
}
else
{
answer=answer+num[a.charAt(i)-'0']+unit[unitStart-1+a.length()-i];
}
}

return answer;
}
private boolean allZero(String a)
{
for(int i=0;i<a.length();i++)
{
if(a.charAt(i)!='0')return false;
}
return true;
}
public void show()
{
System.out.println(divideByInteger());
}
}