Java实现金额大小写转换工具类

jopen 6年前

小写转大写

/**   *金额大小写转换工具类   */   public class MoneyUtil {      /** 大写数字 */    private static final String[] NUMBERS = { "零", "壹", "贰", "叁", "肆", "伍", "陆",        "柒", "捌", "玖" };    /** 整数部分的单位 */    private static final String[] IUNIT = { "元", "拾", "佰", "仟", "万", "拾", "佰",        "仟", "亿", "拾", "佰", "仟", "万", "拾", "佰", "仟" };    /** 小数部分的单位 */    private static final String[] DUNIT = { "角", "分", "厘" };      /**     * 得到大写金额。     */    public static String toChinese(String str) {      str = str.replaceAll(",", "");// 去掉","      String integerStr;// 整数部分数字      String decimalStr;// 小数部分数字        // 初始化:分离整数部分和小数部分      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超出处理能力,直接返回      if (integerStr.length() > IUNIT.length) {        System.out.println(str + ":超出处理能力");        return str;      }        int[] integers = toArray(integerStr);// 整数部分数字      boolean isMust5 = isMust5(integerStr);// 设置万单位      int[] decimals = toArray(decimalStr);// 小数部分数字      return getChineseInteger(integers, isMust5) + getChineseDecimal(decimals);    }      /**     * 整数部分和小数部分转换为数组,从高位至低位     */    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;    }      /**     * 得到中文金额的整数部分。     */    private static String getChineseInteger(int[] integers, boolean isMust5) {      StringBuffer chineseInteger = new StringBuffer("");      int length = integers.length;      for (int i = 0; i < length; i++) {        // 0出现在关键位置:1234(万)5678(亿)9012(万)3456(元)        // 特殊情况:10(拾元、壹拾元、壹拾万元、拾万元)        String key = "";        if (integers[i] == 0) {          if ((length - i) == 13)// 万(亿)(必填)            key = IUNIT[4];          else if ((length - i) == 9)// 亿(必填)            key = IUNIT[8];          else if ((length - i) == 5 && isMust5)// 万(不必填)            key = IUNIT[4];          else if ((length - i) == 1)// 元(必填)            key = IUNIT[0];          // 0遇非0时补零,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();    }      /**     * 得到中文金额的小数部分。     */    private static String getChineseDecimal(int[] decimals) {      StringBuffer chineseDecimal = new StringBuffer("");      for (int i = 0; i < decimals.length; i++) {        // 舍去3位小数之后的        if (i == 3)          break;        chineseDecimal.append(decimals[i] == 0 ? ""            : (NUMBERS[decimals[i]] + DUNIT[i]));      }      return chineseDecimal.toString();    }      /**     * 判断第5位数字的单位"万"是否应加。     */    private static boolean isMust5(String integerStr) {      int length = integerStr.length();      if (length > 4) {        String subInteger = "";        if (length > 8) {          // 取得从低位数,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"));  //  }    }       
大写转小写
    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', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖',                    '十', '百', '千', '拾', '佰', '仟', '万', '亿', '○', '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('两', 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('万', 10000);                cnNumeric.put('亿', 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('亿');                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('万');                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("三亿二千零六万七千五百六", 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);            }                }