将数字转为中文金额的大写方式
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2008-06-22 @ Tag
java 人气:1
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- package test;
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- import java.util.regex.Matcher;
- import java.util.regex.Pattern;
-
- public class Amount2RMB {
- private static final Pattern AMOUNT_PATTERN =
- Pattern.compile("^(0|[1-9]\\d{0,11})\\.(\\d\\d)$");
- private static final char[] RMB_NUMS = "零壹贰叁肆伍陆柒捌玖".toCharArray();
- private static final String[] UNITS = {"元", "角", "分", "整"};
- private static final String[] U1 = {"", "拾", "佰", "仟"};
- private static final String[] U2 = {"", "万", "亿"};
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- public static String convert(String amount) throws IllegalArgumentException {
-
- amount = amount.replace(",", "");
-
-
- if (amount.equals("0.00")) {
- throw new IllegalArgumentException("金额不能为零.");
- }
- Matcher matcher = AMOUNT_PATTERN.matcher(amount);
- if (! matcher.find()) {
- throw new IllegalArgumentException("输入金额有误.");
- }
-
- String integer = matcher.group(1);
- String fraction = matcher.group(2);
-
- String result = "";
- if (! integer.equals("0")) {
- result += integer2rmb(integer) + UNITS[0];
- }
- if (fraction.equals("00")) {
- result += UNITS[3];
- } else if (fraction.startsWith("0") && integer.equals("0")) {
- result += fraction2rmb(fraction).substring(1);
- } else {
- result += fraction2rmb(fraction);
- }
-
- return result;
- }
-
-
- private static String fraction2rmb(String fraction) {
- char jiao = fraction.charAt(0);
- char fen = fraction.charAt(1);
- return (RMB_NUMS[jiao - '0'] + (jiao > '0' ? UNITS[1] : ""))
- + (fen > '0' ? RMB_NUMS[fen - '0'] + UNITS[2] : "");
- }
-
-
- private static String integer2rmb(String integer) {
- StringBuilder buffer = new StringBuilder();
-
- int i, j;
- for (i = integer.length() - 1, j = 0; i >= 0; i--, j++) {
- char n = integer.charAt(i);
- if (n == '0') {
-
- if (i < integer.length() - 1 && integer.charAt(i + 1) != '0') {
- buffer.append(RMB_NUMS[0]);
- }
-
- if (j % 4 == 0) {
- if (i > 0 && integer.charAt(i - 1) != '0'
- || i > 1 && integer.charAt(i - 2) != '0'
- || i > 2 && integer.charAt(i - 3) != '0') {
- buffer.append(U2[j / 4]);
- }
- }
- } else {
- if (j % 4 == 0) {
- buffer.append(U2[j / 4]);
- }
- buffer.append(U1[j % 4]);
- buffer.append(RMB_NUMS[n - '0']);
- }
- }
- return buffer.reverse().toString();
- }
-
- public static void main(String[] args) {
-
- System.out.println("壹万陆仟肆佰零玖元零贰分".equals(convert("16,409.02")));
- System.out.println("壹仟肆佰零玖元伍角".equals(convert("1,409.50")));
- System.out.println("陆仟零柒元壹角肆分".equals(convert("6,007.14")));
- System.out.println("壹仟陆佰捌拾元叁角贰分".equals(convert("1,680.32")));
- System.out.println("叁佰贰拾伍元零肆分".equals(convert("325.04")));
- System.out.println("肆仟叁佰贰拾壹元整".equals(convert("4,321.00")));
- System.out.println("壹分".equals(convert("0.01")));
-
- System.out.println(convert("1234,5678,9012.34")
- .equals("壹仟贰佰叁拾肆亿伍仟陆佰柒拾捌万玖仟零壹拾贰元叁角肆分"));
- System.out.println(convert("1000,1000,1000.10")
- .equals("壹仟亿零壹仟万零壹仟元壹角"));
- System.out.println(convert("9009,9009,9009.99")
- .equals("玖仟零玖亿玖仟零玖万玖仟零玖元玖角玖分"));
- System.out.println(convert("5432,0001,0001.01")
- .equals("伍仟肆佰叁拾贰亿零壹万零壹元零壹分"));
- System.out.println(convert("1000,0000,1110.00")
- .equals("壹仟亿零壹仟壹佰壹拾元整"));
- System.out.println(convert("1010,0000,0001.11")
- .equals("壹仟零壹拾亿零壹元壹角壹分"));
- System.out.println(convert("1000,0000,0000.01")
- .equals("壹仟亿元零壹分"));
- }
- }