金额小写转化为大写

Posted 2021-02-28 xiaoyuer1229

private static final String UNIT = "万仟佰拾亿仟佰拾万仟佰拾元角分";
private static final String DIGIT = "零壹贰叁肆伍陆柒捌玖";
private static final double MAX_VALUE = 9999999999999.99D;

public  String change(double v) {
    if (v < 0 || v > MAX_VALUE) {
        return "参数非法!";
    }
    long l = Math.round(v * 100);
    if (l == 0) {
        return "零元整";
    }
    String strValue = l + "";
    // i用来控制数
    int i = 0;
    // j用来控制单位
    int j = UNIT.length() - strValue.length();
    String rs = "";
    boolean isZero = false;
    for (; i < strValue.length(); i++, j++) {
        char ch = strValue.charAt(i);
        if (ch == ‘0‘) {
            isZero = true;
            if (UNIT.charAt(j) == ‘亿‘ || UNIT.charAt(j) == ‘万‘ || UNIT.charAt(j) == ‘元‘) {
                rs = rs + UNIT.charAt(j);
                isZero = false;
            }
        } else {
            if (isZero) {
                rs = rs + "零";
                isZero = false;
            }
            rs = rs + DIGIT.charAt(ch - ‘0‘) + UNIT.charAt(j);
        }
    }
    if (!rs.endsWith("分")) {
        rs = rs + "整";
    }
    rs = rs.replaceAll("亿万", "亿");
    return rs;
}

aae022Sum.setScale(2, RoundingMode.HALF_UP)--保留两位小数