将万亿以下的阿拉伯数字转为中文金额

package test.practice.month3;

public class Test005 {
//可以不用swich case将123456789转为一二三四五六七八九
//直接用char[] chars= {'一','二','三','四','五','六','七','八','九'};

public static void main(String[] args) {
System.out.println(getCMoney(102030405067L));
}
private static String getCMoney(long n) {
String result="";
int i=new Long(n/100000000).intValue();
if(i!=0) {
result=result+getThousand(i)+'亿';
}
i=new Long((n%100000000)/10000).intValue();
if(i!=0) {
result=result+getThousand(i)+'万';
}else {
result=result+'零';
}
i=new Long(n%10000).intValue();
if(i!=0) {
result=result+getThousand(i);
}
result+="元整";
if(result.charAt(0)=='零') {
result=result.substring(1);
}
return result;
}
private static String getThousand(int n) {
String result="";
int i=n/1000;
if(i!=0) {
result=result+getChar(i)+'仟';
}
i=(n%1000)/100;
if(i!=0) {
result=result+getChar(i)+'佰';
}
else {
result=result+'零';
}
i=(n%100)/10;
if(i!=0) {
result=result+getChar(i)+'拾';
}
else {
result=result+'零';
}
i=n%10;
if(i!=0) {
result=result+getChar(i);
}
result=result.replace("零零", "零");
if(result.charAt(0)=='零') {
result=result.substring(1);
}
if(result.charAt(result.length()-1)=='零') {
result=result.substring(0, result.length()-1);
}
return result;
}
private static char getChar(int i) {
char c;
switch(i) {
case 1:
c='壹';
break;
case 2:
c='贰';
break;
case 3:
c='叁';
break;
case 4:
c='肆';
break;
case 5:
c='伍';
break;
case 6:
c='陆';
break;
case 7:
c='柒';
break;
case 8:
c='捌';
break;
case 9:
c='玖';
break;
default:c='越';
}
return c;
}
}

网上找来的别人的更好的方法

public class Test007 {
private static final char[] UNIT = "万千佰拾亿千佰拾万千佰拾元角分".toCharArray();
private static final char[] DIGIT = "零壹贰叁肆伍陆柒捌玖".toCharArray();
private static final double MAX_VALUE = 9999999999999.99D;

public static String change(double v) {
if (v < 0 || v > MAX_VALUE) {
return "参数非法!";
}
long l =(long)(v*100);
if (l == 0) {
return "零元整";
}
String strValue = l + "";
// j用来控制单位
int j = UNIT.length - strValue.length();
String rs = "";
boolean isZero = false;
for (int i = 0;i < strValue.length(); i++, j++) {
char ch = strValue.charAt(i);
if (ch == '0') {
isZero = true;
if (UNIT[j] == '亿' || UNIT[j] == '万' || UNIT[j] == '元') {
rs = rs + UNIT[j];
isZero = false;
}
} else {
if (isZero) {
rs = rs + "零";
isZero = false;
}
rs = rs + DIGIT[ch - '0'] + UNIT[j];
}
}
if (!rs.endsWith("分")&&!rs.endsWith("角")) {
rs = rs + "整";
}
rs = rs.replaceAll("亿万", "亿");
rs = rs.replaceAll("^壹拾", "拾");
return rs;
}
public static void main(String[] args) {
System.out.println(Test007.change(9999999999999.90D));
}
}