格式化金钱
方法1
/** * 参数说明: * number:要格式化的数字 * decimals:保留几位小数 * dec_point:小数点符号 * thousands_sep:千分位符号 */ export const number_format = (number, decimals, dec_point, thousands_sep) => { number = (number + '').replace(/[^0-9+-Ee.]/g, '') var n = !isFinite(+number) ? 0 : +number var prec = !isFinite(+decimals) ? 0 : Math.abs(decimals) var sep = (typeof thousands_sep === 'undefined') ? ',' : thousands_sep var dec = (typeof dec_point === 'undefined') ? '.' : dec_point var s = '' var toFixedFix = function(n, prec) { var k = Math.pow(10, prec) return '' + Math.ceil(n * k) / k } s = (prec ? toFixedFix(n, prec) : '' + Math.round(n)).split('.') var re = /(-?\d+)(\d{3})/ while (re.test(s[0])) { s[0] = s[0].replace(re, '$1' + sep + '$2') } if ((s[1] || '').length < prec) { s[1] = s[1] || '' s[1] += new Array(prec - s[1].length + 1).join('0') } return s.join(dec) }
方法2
/** * @description 格式化金额 * @param number:要格式化的数字 * @param val:单位w */ export const moneyFormat = (number, unit) => { const unitVal = window.i18n.t('金额单位') if (number === '' || number === null || number === undefined) { return '' } let val = 0 if (unit === 'rate') { // 强制保留4位小数 val = +(parseFloat(number)).toFixed(4) } else { val = +(parseFloat(number)).toFixed(2) } if (unit === 'w' && unitVal === '(万)' || unit === 'w' && unitVal === '(万)') { return decimalFormat(val, unit, unitVal).replace(/0+$/, '').replace(/\.$/, '') } else { return decimalFormat(val, unit, unitVal).replace(/0+$/, '').replace(/\.$/, '') } }