/**
* @description 格式化金额
* @param number:要格式化的数字
* @param decimals:保留几位小数 默认0位
* @param decPoint:小数点符号 默认.
* @param thousandsSep:千分位符号 默认为,
*/
export const formatMoney = (number, decimals = 0, decPoint = '.', thousandsSep = ',') => {
number = (number + '').replace(/[^0-9+-Ee.]/g, '')
let n = !isFinite(+number) ? 0 : +number
let prec = !isFinite(+decimals) ? 0 : Math.abs(decimals)
let sep = (typeof thousandsSep === 'undefined') ? ',' : thousandsSep
let dec = (typeof decPoint === 'undefined') ? '.' : decPoint
let s = ''
let toFixedFix = function (n, prec) {
let k = Math.pow(10, prec)
return '' + Math.ceil(n * k) / k
}
s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.')
let re = /(-?\d+)(\d{3})/
while (re.test(s[0])) {
s[0] = s[0].replace(re, '$1' + sep + '$2')
}
if ((s[1] || '').length < prec) {
s[1] = s[1] || ''
s[1] += new Array(prec - s[1].length + 1).join('0')
}
return s.join(dec)
}
参考:https://www.cnblogs.com/wxcbg/p/5845844.html