abbott-methods/src/number/numberPriceBigWrite.ts

abbott,methods,method,functions,function

/**
 * @description 价格大写
 * @param {Number|String} number
 * @returns {String}
 */
export const numberPriceBigWrite = (number: number): string => {
  const fraction = ['角', '分']
  const digit = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖']
  const unit = [
    ['元', '万', '亿'],
    ['', '拾', '佰', '仟']
  ]
  const head = number < 0 ? '欠' : ''
  number = Math.abs(+number)
  let string = ''
  for (let i = 0; i < fraction.length; i++) {
    string += (digit[Math.floor(number * 10 * Math.pow(10, i)) % 10] + fraction[i]).replace(/零./, '')
  }
  string = string || '整'
  number = Math.floor(number)
  for (let i = 0; i < unit[0].length && number > 0; i++) {
    let dot = ''
    for (let j = 0; j < unit[1].length && number > 0; j++) {
      dot = digit[number % 10] + unit[1][j] + dot
      number = Math.floor(number / 10)
    }
    string = dot.replace(/(零.)*零$/, '').replace(/^$/, '零') + unit[0][i] + string
  }
  return (
    head +
    string
      .replace(/(零.)*零元/, '元')
      .replace(/(零.)+/g, '零')
      .replace(/^整$/, '零元整')
  )
}