数值金额若有计算，先.toFixed(2)四舍五入

/**
 * 数值金额转中文大写金额
 * @param {数值金额} money 
 */
Vue.filter('amountToChinese',(money) => {
    let cnNums = new Array('零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖');
    let cnIntRadice = new Array('', '拾', '佰', '仟');
    let cnIntUnits = new Array('', '万', '亿', '兆');
    let cnDecUnits = new Array('角', '分', '毫', '厘');
    let cnInteger = '整';
    let cnIntLast = '元';
    let maxNum = 999999999999999.9999;
    let integerNum;
    let decimalNum;
    let chineseStr = '';
    let parts;
    if (money == '') { return ''; }
    money = parseFloat(money);
    if (money >= maxNum) {
      return '';
    }
    if (money == 0) {
      chineseStr = cnNums[0] + cnIntLast + cnInteger;
      return chineseStr;
    }
    money = money.toString();
    if (money.indexOf('.') == -1) {
      integerNum = money;
      decimalNum = '';
    } else {
      parts = money.split('.');
      integerNum = parts[0];
      decimalNum = parts[1].substr(0, 4);
    }
    if (parseInt(integerNum, 10) > 0) {
      let zeroCount = 0;
      let IntLen = integerNum.length;
      for (let i = 0; i < IntLen; i++) {
        let n = integerNum.substr(i, 1);
        let p = IntLen - i - 1;
        let q = p / 4;
        let 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 != '') {
      let decLen = decimalNum.length;
      for (let i = 0; i < decLen; i++) {
        let 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;
});

 效果：