Java實現金額大小寫轉換工具類

jopen 11年前發布 | 83K 次閱讀 Java Java開發

小寫轉大寫

/*
 金額大小寫轉換工具類
 */
 public class MoneyUtil {

/ 大寫數字 */ private static final String[] NUMBERS = { "零", "壹", "貳", "叁", "肆", "伍", "陸", "柒", "捌", "玖" }; / 整數部分的單位 / private static final String[] IUNIT = { "元", "拾", "佰", "仟", "萬", "拾", "佰", "仟", "億", "拾", "佰", "仟", "萬", "拾", "佰", "仟" }; /** 小數部分的單位 / private static final String[] DUNIT = { "角", "分", "厘" };

/**

  • 得到大寫金額。 */ public static String toChinese(String str) { str = str.replaceAll(",", "");// 去掉"," String integerStr;// 整數部分數字 String decimalStr;// 小數部分數字

    // 初始化:分離整數部分和小數部分 if (str.indexOf(".") > 0) { integerStr = str.substring(0, str.indexOf(".")); decimalStr = str.substring(str.indexOf(".") + 1); } else if (str.indexOf(".") == 0) { integerStr = ""; decimalStr = str.substring(1); } else { integerStr = str; decimalStr = ""; } // integerStr去掉首0,不必去掉decimalStr的尾0(超出部分舍去) if (!integerStr.equals("")) { integerStr = Long.toString(Long.parseLong(integerStr)); if (integerStr.equals("0")) { integerStr = ""; } } // overflow超出處理能力,直接返回 if (integerStr.length() > IUNIT.length) { System.out.println(str + ":超出處理能力"); return str; }

    int[] integers = toArray(integerStr);// 整數部分數字 boolean isMust5 = isMust5(integerStr);// 設置萬單位 int[] decimals = toArray(decimalStr);// 小數部分數字 return getChineseInteger(integers, isMust5) + getChineseDecimal(decimals); }

    /**

  • 整數部分和小數部分轉換為數組,從高位至低位 */ private static int[] toArray(String number) { int[] array = new int[number.length()]; for (int i = 0; i < number.length(); i++) { array[i] = Integer.parseInt(number.substring(i, i + 1)); } return array; }

    /**

  • 得到中文金額的整數部分。 */ private static String getChineseInteger(int[] integers, boolean isMust5) { StringBuffer chineseInteger = new StringBuffer(""); int length = integers.length; for (int i = 0; i < length; i++) { // 0出現在關鍵位置:1234(萬)5678(億)9012(萬)3456(元) // 特殊情況:10(拾元、壹拾元、壹拾萬元、拾萬元) String key = ""; if (integers[i] == 0) { if ((length - i) == 13)// 萬(億)(必填)

     key = IUNIT[4];
    

    else if ((length - i) == 9)// 億(必填)

     key = IUNIT[8];
    

    else if ((length - i) == 5 && isMust5)// 萬(不必填)

     key = IUNIT[4];
    

    else if ((length - i) == 1)// 元(必填)

     key = IUNIT[0];
    

    // 0遇非0時補零,不包含最后一位 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(); }

    /**

  • 得到中文金額的小數部分。 */ private static String getChineseDecimal(int[] decimals) { StringBuffer chineseDecimal = new StringBuffer(""); for (int i = 0; i < decimals.length; i++) { // 舍去3位小數之后的 if (i == 3) break; chineseDecimal.append(decimals[i] == 0 ? ""

     : (NUMBERS[decimals[i]] + DUNIT[i]));
    

    } return chineseDecimal.toString(); }

    /**

  • 判斷第5位數字的單位"萬"是否應加。 */ private static boolean isMust5(String integerStr) { int length = integerStr.length(); if (length > 4) { String subInteger = ""; if (length > 8) { // 取得從低位數,第5到第8位的字串 subInteger = integerStr.substring(length - 8, length - 4); } else { subInteger = integerStr.substring(0, length - 4); } return Integer.parseInt(subInteger) > 0; } else { return false; } }

// public static void main(String[] args) { // MoneyUtil moneyUtil = new MoneyUtil(); // System.out.println(moneyUtil.toChinese("10001")); // }

}

</pre>大寫轉小寫

    import java.util.HashMap;
import java.util.Map;

public class CNNMFilter {  
    private static final Character[] CN_NUMERIC = { '一', '二', '三', '四', '五',  
            '六', '七', '八', '九', '壹', '貳', '叁', '肆', '伍', '陸', '柒', '捌', '玖',  
            '十', '百', '千', '拾', '佰', '仟', '萬', '億', '○', 'O', '零' };  

    private static Map<Character, Integer> cnNumeric = null;  

    static {  
        cnNumeric = new HashMap<Character, Integer>(40, 0.85f);  
        for (int j = 0; j < 9; j++)  
            cnNumeric.put(CN_NUMERIC[j], j + 1);  
        for (int j = 9; j < 18; j++)  
            cnNumeric.put(CN_NUMERIC[j], j - 8);  
        cnNumeric.put('兩', 2);  
        cnNumeric.put('十', 10);  
        cnNumeric.put('拾', 10);  
        cnNumeric.put('百', 100);  
        cnNumeric.put('佰', 100);  
        cnNumeric.put('千', 1000);  
        cnNumeric.put('仟', 1000);  
        cnNumeric.put('萬', 10000);  
        cnNumeric.put('億', 100000000);  
    }  
    public static int isCNNumeric(char c) {  
        Integer i = cnNumeric.get(c);  
        if (i == null)  
            return -1;  
        return i.intValue();  
    }  
    public static int cnNumericToArabic(String cnn, boolean flag) {  

        cnn = cnn.trim();  
        if (cnn.length() == 1)  
            return isCNNumeric(cnn.charAt(0));  

        if (flag)  
            cnn = cnn.replace('佰', '百').replace('仟', '千').replace('拾', '十')  
                    .replace('零', ' ');  
        // System.out.println(cnn);  
        int yi = -1, wan = -1, qian = -1, bai = -1, shi = -1;  
        int val = 0;  
        yi = cnn.lastIndexOf('億');  
        if (yi > -1) {  
            val += cnNumericToArabic(cnn.substring(0, yi), false) * 100000000;  
            if (yi < cnn.length() - 1)  
                cnn = cnn.substring(yi + 1, cnn.length());  
            else  
                cnn = "";  

            if (cnn.length() == 1) {  
                int arbic = isCNNumeric(cnn.charAt(0));  
                if (arbic <= 10)  
                    val += arbic * 10000000;  
                cnn = "";  
            }  
        }  

        wan = cnn.lastIndexOf('萬');  
        if (wan > -1) {  
            val += cnNumericToArabic(cnn.substring(0, wan), false) * 10000;  
            if (wan < cnn.length() - 1)  
                cnn = cnn.substring(wan + 1, cnn.length());  
            else  
                cnn = "";  
            if (cnn.length() == 1) {  
                int arbic = isCNNumeric(cnn.charAt(0));  
                if (arbic <= 10)  
                    val += arbic * 1000;  
                cnn = "";  
            }  
        }  

        qian = cnn.lastIndexOf('千');  
        if (qian > -1) {  
            val += cnNumericToArabic(cnn.substring(0, qian), false) * 1000;  
            if (qian < cnn.length() - 1)  
                cnn = cnn.substring(qian + 1, cnn.length());  
            else  
                cnn = "";  
            if (cnn.length() == 1) {  
                int arbic = isCNNumeric(cnn.charAt(0));  
                if (arbic <= 10)  
                    val += arbic * 100;  
                cnn = "";  
            }  
        }  

        bai = cnn.lastIndexOf('百');  
        if (bai > -1) {  
            val += cnNumericToArabic(cnn.substring(0, bai), false) * 100;  
            if (bai < cnn.length() - 1)  
                cnn = cnn.substring(bai + 1, cnn.length());  
            else  
                cnn = "";  
            if (cnn.length() == 1) {  
                int arbic = isCNNumeric(cnn.charAt(0));  
                if (arbic <= 10)  
                    val += arbic * 10;  
                cnn = "";  
            }  
        }  

        shi = cnn.lastIndexOf('十');  
        if (shi > -1) {  
            if (shi == 0)  
                val += 1 * 10;  
            else  
                val += cnNumericToArabic(cnn.substring(0, shi), false) * 10;  
            if (shi < cnn.length() - 1)  
                cnn = cnn.substring(shi + 1, cnn.length());  
            else  
                cnn = "";  
        }  

        cnn = cnn.trim();  
        for (int j = 0; j < cnn.length(); j++)  
            val += isCNNumeric(cnn.charAt(j))  
                    * Math.pow(10, cnn.length() - j - 1);  

        return val;  
    }  

    public static int qCNNumericToArabic(String cnn) {  
        int val = 0;  
        cnn = cnn.trim();  
        for (int j = 0; j < cnn.length(); j++)  
            val += isCNNumeric(cnn.charAt(j))  
                    * Math.pow(10, cnn.length() - j - 1);  
        return val;  
    }  

    public static void main(String[] args) {  
        int val = 0;  
        long s = System.nanoTime();  
        val = cnNumericToArabic("三億二千零六萬七千五百六", true);  
        System.out.println(val);  
        val = cnNumericToArabic("一九九八", true);  
        System.out.println(val);  
        long e = System.nanoTime();  
        System.out.format("Done[" + val + "], cost: %.5fsec\n",  
                ((float) (e - s)) / 1E9);  
    }  

}  </pre>
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