註釋：將金錢的小寫轉化為大寫

setChargePercent(price){
  let n =   price;
  let fraction = ['角','分'];
  let digit = ['壹','貳','叄','肆','伍','陸','柒','捌','玖']  
  let unit = [['元','萬','億',],['','拾','佰','仟']]  
  let head = n<0?'欠':'';
  n = Math.abs(n);
  var s = '';
  for (let i = 0 ; i < fraction.length ; i++) {
     s
 
+ = (digit[Math.floor(n*10*Math.pow(10,i))%10] +     fraction[i]).replace(/零./,'') ;
    }  
    s = s|| '整';
      n = Math.floor(n);
     for (let i= 0; i < unit[0].length && n >0; i++ ){
        let p = ''
         for (let j= 0;  j< unit[1].length && n >0; j++ ){
           p = digit[n%10]+unit[1][j]+p
            n
 
=Math.floor(n/10);
         } 
        s   = p.replace(/(零.)*零$/,'').replace(/^$/,'零')+unit[0][i]+s;
    } 
     var chargePrice = '';
      chargePrice = head +   s.replace(/(零.)*零元/,'元').replace(/(零.)+/g,'零').replace(/^整$/,'零元整')；
  
}