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中文转换为阿拉伯数字 #7

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muyuqiu001 opened this issue Nov 20, 2017 · 0 comments
Open

中文转换为阿拉伯数字 #7

muyuqiu001 opened this issue Nov 20, 2017 · 0 comments

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@muyuqiu001
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    /**
     * chinese numeric chars. <br />
     * i have put the chars into the lexicon file lex-cn-numeric.lex for the old version. <r /> it's better to follow
     * the current work.
     */
    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);
    }

    /**
     * check the given char is chinese numeric or not. <br />
     * 
     * @param c
     *            <br />
     * @return boolean true yes and false for not.
     */
    public static int isCNNumeric(char c)
    {
        Integer i = cnNumeric.get(c);
        if (i == null)
            return -1;
        return i.intValue();
    }

    /**
     * a static method to turn the Chinese numeric to Arabic numbers.
     * 
     * @param cnn
     * @param boolea
     *            flag
     * @return int
     */
    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', ' ');
        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;
        val = cnNumericToArabic("三亿二千零六万七千五百零六", true);
        // val = cnNumericToArabic("一九九八", true);
        System.out.println(val);
    }
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