var formmater = function(num, digit){
  var n = num || 0
  if(n > 100000000) return Number((n/100000000).toFixed(digit)) + '亿'
  if(n > 10000) return Number((n/10000).toFixed(digit)) + '万'
  return Number(n.toFixed(digit))
}

module.exports = {
  formmater:formmater
}