数字格式进位

moneyFormat(arg){
  if(arg.toString().length>=13){
    // return arg/1000000000000+"万亿"
    const moneys = arg/1000000000000
    const realVal = parseFloat(moneys).toFixed(2);
    this.unit = "万亿"
    return {num:realVal,unit:"万亿"}

  }else if(arg.toString().length>=9){
    const moneys = arg/100000000
    const realVal = parseFloat(moneys).toFixed(2);
    this.unit = "亿"
    return {num:realVal,unit:"亿"}
  }else if(arg.toString().length>4){
    const moneys = arg/10000
    const realVal = parseFloat(moneys).toFixed(2);
    this.unit = "万"
    return {num:realVal,unit:"万"}
  } else {
    return {num:arg,unit:""}
  }

},