vue金额数字转大写的方法

    // 金额数字转大写
    digitUppercase(price) {
      const fraction = ['角', '分']
      const digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']
      const unit = [
        ['元', '万', '亿'],
        ['', '拾', '佰', '仟']
      ]
      let num = Math.abs(price)
      let s = ''
      fraction.forEach((item, index) => {
        s += (digit[Math.floor(num * 10 * (10 ** index)) % 10] + item).replace(/零./, '')
      })
      s = s || '整'
      num = Math.floor(num)
      for (let i = 0; i < unit[0].length && num > 0; i += 1) {
        let p = ''
        for (let j = 0; j < unit[1].length && num > 0; j += 1) {
          p = digit[num % 10] + unit[1][j] + p
          num = Math.floor(num / 10)
        }
        s = p.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + s
      }

      return s.replace(/(零.)*零元/, '元').replace(/(零.)+/g, '零').replace(/^整$/, '零元整')
    }