小写金额转化成大写金额java代码

来源：互联网发布：守望先锋安娜数据编辑：程序博客网时间：2024/05/18 04:02
</pre><pre name="code" class="java"><pre name="code" class="java">import java.text.DecimalFormat;public class ChangeRMB {    private static final String[] NUMBERS = { "零", "壹", "贰", "叁", "肆", "伍", "陆","柒", "捌", "玖" };        private static final String[] IUNIT = { "圆", "拾", "佰", "仟", "万", "拾", "佰","仟", "亿", "拾", "佰", "仟", "万", "拾", "佰", "仟" };        private static final String[] DUNIT = { "角", "分", "厘" };        public static String doChangeRMB(String str) {      str=formatDouble(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)+getChineseSuffix(decimals);    }        /**     * 如果没有小数加后缀”整“     * @param suffix     * @return     */    private static String getChineseSuffix(int[] suffix){        String ret = "";        boolean flag = true;        for (int i = 0; i < suffix.length; i++) {            if(suffix[i]!=0){                flag = false;            }        }        if(flag){            ret = "整";        }        return ret;    }        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;    }        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();    }        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();    }        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;      }    }    private static String formatDouble(String val) {        if(val==null){            return "0";        }                DecimalFormat df = new DecimalFormat();          df.setMaximumFractionDigits(2);         String result = df.format(Double.valueOf(val)).replaceAll(",", "");          return result;    }    public static void main(String[] args) {      double number = 1590219.15;      System.out.println(number + " " + ChangeRMB.doChangeRMB(1590219.15+""));          }}
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