数字金额转为大写金额字符，JS和PHP代码实现

JS

      function convertCurrency(money) {
        //汉字的数字
        var cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
        //基本单位
        var cnIntRadice = new Array('', '拾', '佰', '仟');
        //对应整数部分扩展单位
        var cnIntUnits = new Array('', '万', '亿', '兆');
        //对应小数部分单位
        var cnDecUnits = new Array('角', '分', '毫', '厘');
        //整数金额时后面跟的字符
        var cnInteger = '整';
        //整型完以后的单位
        var cnIntLast = '元';
        //最大处理的数字
        var maxNum = 999999999999999.9999;
        //金额整数部分
        var integerNum;
        //金额小数部分
        var decimalNum;
        //输出的中文金额字符串
        var chineseStr = '';
        //分离金额后用的数组，预定义
        var parts;
        if (money == '') { return ''; }
        money = parseFloat(money);
        if (money >= maxNum) {
          //超出最大处理数字
          return '';
        }
        if (money == 0) {
          chineseStr = cnNums[0] + cnIntLast + cnInteger;
          return chineseStr;
        }
        //转换为字符串
        money = money.toString();
        if (money.indexOf('.') == -1) {
          integerNum = money;
          decimalNum = '';
        } else {
          parts = money.split('.');
          integerNum = parts[0];
          decimalNum = parts[1].substr(0, 4);
        }
        //获取整型部分转换
        if (parseInt(integerNum, 10) > 0) {
          var zeroCount = 0;
          var IntLen = integerNum.length;
          for (var i = 0; i < IntLen; i++) {
            var n = integerNum.substr(i, 1);
            var p = IntLen - i - 1;
            var q = p / 4;
            var m = p % 4;
            if (n == '0') {
              zeroCount++;
            } else {
              if (zeroCount > 0) {
                chineseStr += cnNums[0];
              }
              //归零
              zeroCount = 0;
              chineseStr += cnNums[parseInt(n)] + cnIntRadice[m];
            }
            if (m == 0 && zeroCount < 4) {
              chineseStr += cnIntUnits[q];
            }
          }
          chineseStr += cnIntLast;
        }
        //小数部分
        if (decimalNum != '') {
          var decLen = decimalNum.length;
          for (var i = 0; i < decLen; i++) {
            var n = decimalNum.substr(i, 1);
            if (n != '0') {
              chineseStr += cnNums[Number(n)] + cnDecUnits[i];
            }
          }
        }
        if (chineseStr == '') {
          chineseStr += cnNums[0] + cnIntLast + cnInteger;
        } else if (decimalNum == '') {
          chineseStr += cnInteger;
        }
        return chineseStr;
      }

PHP

    public static function toChineseNumber($money)
    {
        if (!$money) {
            return '';
        }
        $money = round($money, 2);
        $cnynums = array("零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖");
        $cnyunits = array("圆", "角", "分");
        $cnygrees = array("拾", "佰", "仟", "万", "拾", "佰", "仟", "亿");
        list($int, $dec) = explode(".", $money, 2);
        $dec = array_filter(array($dec[1], $dec[0]));
        $ret = array_merge($dec, array(implode("", static::cnyMapUnit(str_split($int), $cnygrees)), ""));
        $ret = implode("", array_reverse(static::cnyMapUnit($ret, $cnyunits)));
        return str_replace(array_keys($cnynums), $cnynums, $ret);
    }
    private static function cnyMapUnit($list, $units)
    {
        $ul = count($units);
        $xs = array();
        foreach (array_reverse($list) as $x) {
            $l = count($xs);
            if ($x != "0" || !($l % 4))
                $n = ($x == '0' ? '' : $x) . ($units[($l - 1) % $ul]);
            else
                $n = is_numeric($xs[0][0]) ? $x : '';
            array_unshift($xs, $n);
        }
        return $xs;
    }

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