Java實(shí)現(xiàn)人民幣大寫轉(zhuǎn)化功能 附實(shí)例代碼

<dependency>
            <groupId>commons-lang</groupId>
            <artifactId>commons-lang</artifactId>
            <version>2.6</version>
        </dependency>

        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
            <scope>test</scope>
        </dependency>
    </dependencies>

public class ConvertUpMoney {
    //整數(shù)部分的人民幣大寫
    private static final String[] NUMBERS = {"零", "壹", "貳", "叁", "肆", "伍", "陸", "柒", "捌", "玖"};
    //數(shù)位部分
    private static final String[] IUNIT = {"元", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "萬", "拾", "佰", "仟"};
    //小數(shù)部分的人民幣大寫
    private static final String[] DUNIT = {"角", "分", "厘"};

    //轉(zhuǎn)成中文的大寫金額
    public static String toChinese(String str) {
        //判斷輸入的金額字符串是否符合要求
        if (StringUtils.isBlank(str) || !str.matches("(-)?[\d]*(.)?[\d]*")) {
            System.out.println("抱歉，請(qǐng)輸入數(shù)字！");
            return str;
        }
        //判斷輸入的金額字符串
        if ("0".equals(str) || "0.00".equals(str) || "0.0".equals(str)) {
            return "零元";
        }

        //判斷是否存在負(fù)號(hào)"-"
        boolean flag = false;
        if (str.startsWith("-")) {
            flag = true;
            str = str.replaceAll("-", "");
        }
        //如果輸入字符串中包含逗號(hào)，替換為 "." 
        str = str.replaceAll(",", ".");

        String integerStr;//整數(shù)部分?jǐn)?shù)字
        String decimalStr;//小數(shù)部分?jǐn)?shù)字


        //分離整數(shù)部分和小數(shù)部分
        if (str.indexOf(".") > 0) {//整數(shù)部分和小數(shù)部分
            integerStr = str.substring(0, str.indexOf("."));
            decimalStr = str.substring(str.indexOf(".") + 1);
        } else if (str.indexOf(".") == 0) {//只存在小數(shù)部分 .34
            integerStr = "";
            decimalStr = str.substring(1);
        } else { //只存在整數(shù)部分 34
            integerStr = str;
            decimalStr = "";
        }

        //整數(shù)部分超出計(jì)算能力，直接返回
        if (integerStr.length() > IUNIT.length) {
            System.out.println(str + "：超出計(jì)算能力");
            return str;
        }

        //整數(shù)部分存入數(shù)組  目的是為了可以動(dòng)態(tài)的在字符串?dāng)?shù)組中取對(duì)應(yīng)的值
        int[] integers = toIntArray(integerStr);

        //判斷整數(shù)部分是否存在輸入012的情況
        if (integers.length > 1 && integers[0] == 0) {
            System.out.println("抱歉，請(qǐng)輸入數(shù)字！");
            if (flag) {
                str = "-" + str;
            }
            return str;
        }
        boolean isWan = isWanUnits(integerStr);//設(shè)置萬單位

        //小數(shù)部分?jǐn)?shù)字存入數(shù)組
        int[] decimals = toIntArray(decimalStr);

        String result = getChineseInteger(integers, isWan) + getChineseDecimal(decimals);//返回最終的大寫金額

        if (flag) {
            return "負(fù)" + result;//如果是負(fù)數(shù)，加上"負(fù)"
        } else {
            return result;
        }
    }

    //將字符串轉(zhuǎn)為int數(shù)組
    private static int[] toIntArray(String number) {
        //初始化一維數(shù)組長度
        int[] array = new int[number.length()];
        //循環(huán)遍歷賦值
        for (int i = 0; i < number.length(); i++) {
            array[i] = Integer.parseInt(number.substring(i, i + 1));
        }
        return array;
    }

    //將整數(shù)部分轉(zhuǎn)為大寫的金額
    public static String getChineseInteger(int[] integers, boolean isWan) {
        StringBuffer chineseInteger = new StringBuffer("");
        int length = integers.length;
        // 對(duì)于輸入的字符串為 "0." 存入數(shù)組后為 0
        if (length == 1 && integers[0] == 0) {
            return "";
        }
        for (int i = 0; i < length; i++) {
            String key = "";//0325464646464
            if (integers[i] == 0) {
                if ((length - i) == 13)//萬（億）
                    key = IUNIT[4];
                else if ((length - i) == 9) {//億
                    key = IUNIT[8];
                } else if ((length - i) == 5 && isWan) {//萬
                    key = IUNIT[4];
                } else if ((length - i) == 1) {//元
                    key = IUNIT[0];
                }
                if ((length - i) > 1 && integers[i + 1] != 0) {
                    key += NUMBERS[0];
                }
            }
            chineseInteger.append(integers[i] == 0 ? key : (NUMBERS[integers[i]] + IUNIT[length - i - 1]));
        }
        return chineseInteger.toString();
    }

    //將小數(shù)部分轉(zhuǎn)為大寫的金額
    private static String getChineseDecimal(int[] decimals) { //角 分 厘   038  壹分捌厘
        StringBuffer chineseDecimal = new StringBuffer("");
        for (int i = 0; i < decimals.length; i++) {
            if (i == 3) {
                break;
            }
            chineseDecimal.append(decimals[i] == 0 ? "" : (NUMBERS[decimals[i]] + DUNIT[i]));
        }
        return chineseDecimal.toString();
    }

    //判斷當(dāng)前整數(shù)部分是否已經(jīng)是達(dá)到【萬】
    private static boolean isWanUnits(String integerStr) {
        int length = integerStr.length();
        if (length > 4) {
            String subInteger = "";
            if (length > 8) {
                subInteger = integerStr.substring(length - 8, length - 4);
            } else {
                subInteger = integerStr.substring(0, length - 4);
            }
            return Integer.parseInt(subInteger) > 0;
        } else {
            return false;
        }
    }

@Test
    public void test() {
        String number = "1409.50";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//壹仟肆佰零玖元伍角
    }
    @Test
    public void test2() {
        String number = "6007.14";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//陸仟零柒元壹角肆分
    }
    @Test
    public void test3() {
        String number = "1680.32";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//壹仟陸佰捌拾元叁角貳分
    }
    @Test
    public void test4() {
        String number = "107000.53";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//壹拾萬零柒仟元伍角叁分
    }
    @Test
    public void test5() {
        String number = "16409.02";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//壹萬陸仟肆佰零玖元零貳分
    }
    @Test
    public void test6() {
        String number = "325.04";
        String afterStr = ConvertUpMoney.toChinese(number);
        System.out.println(number + ": " + afterStr);//叁佰貳拾伍元零肆分
    }

    @Test
    public void test7() {
        String number = "-0325.04";
        String afterStr = ConvertUpMoney.toChinese(number);//抱歉，請(qǐng)輸入數(shù)字！
        System.out.println(number + ": " + afterStr);
    }

    @Test
    public void test8() {
        String number = "325#sdr";
        String afterStr = ConvertUpMoney.toChinese(number);//抱歉，請(qǐng)輸入數(shù)字！
        System.out.println(number + ": " + afterStr);//325#sdr: 325#sdr
    }

    @Test
    public void test9() {
        String number = "-34327987";
        String afterStr = ConvertUpMoney.toChinese(number);//-34327987: 負(fù)叁仟肆佰叁拾貳萬柒仟玖佰捌拾柒元
        System.out.println(number + ": " + afterStr);
    }

    @Test
    public void test10() {
        String number = "78934029675923532";
        System.out.println("長度 :" + number.length());//長度 :17
        String afterStr = ConvertUpMoney.toChinese(number);//78934029675923532：超出計(jì)算能力
        System.out.println(number + ": " + afterStr);
    }