java实现阿拉伯数字转换为汉字数字源代码

来源：互联网发布：股票数据宝手机版编辑：程序博客网时间：2024/06/07 09:56
package bin;/** * @author Elsa * @param args * @param 2013-1-21 */public class DoubleTest {    static String[] units = { "", "十", "百", "千", "万", "十万", "百万", "千万", "亿",            "十亿", "百亿", "千亿", "万亿" };    static char[] numArray = { '零', '一', '二', '三', '四', '五', '六', '七', '八', '九' };    /**     * 测试     * @param args     */    public static void main(String[] args) {        int num = 234234324;        String numStr = foematInteger(num);        System.out.println("num= " + num + ", convert result: " + numStr);        double decimal = 12312;        System.out                .println("============================================================");        String decStr = formatDecimal(decimal);        System.out.println("decimal= " + decimal + ", decStr: " + decStr);    }    private static String foematInteger(int num) {        char[] val = String.valueOf(num).toCharArray();        int len = val.length;        StringBuilder sb = new StringBuilder();        for (int i = 0; i < len; i++) {            String m = val[i] + "";            int n = Integer.valueOf(m);            boolean isZero = n == 0;            String unit = units[(len - 1) - i];            if (isZero) {                if ('0' == val[i - 1]) {                    continue;                } else {                    sb.append(numArray[n]);                }            } else {                sb.append(numArray[n]);                sb.append(unit);            }        }        return sb.toString();    }    /**     * 对于double类型的的装换     *      * @param decimal     * @return     */    private static String formatDecimal(double decimal) {        String decimals = String.valueOf(decimal);        int decIndex = decimals.indexOf(".");        int integ = Integer.valueOf(decimals.substring(0, decIndex));        int dec = Integer.valueOf(decimals.substring(decIndex + 1));        String result = foematInteger(integ) + "." + formatFractionalPart(dec);        return result;    }    /**     * 对整数类型的转换     *      * @param decimal     * @return     */    private static String formatFractionalPart(int decimal) {        char[] val = String.valueOf(decimal).toCharArray();        int len = val.length;        StringBuilder sb = new StringBuilder();        for (int i = 0; i < len; i++) {            int n = Integer.valueOf(val[i] + "");            sb.append(numArray[n]);        }        return sb.toString();    }}
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