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@ssports_fe/ssutils

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/** * @file 解决浮动运算问题,避免小数点后产生多位数和计算精度损失。 * 问题示例:2.3 + 2.4 = 4.699999999999999,1.0 - 0.9 = 0.09999999999999998 * @date 2018-03-01 * @author sunshaocheng */ /** * 四舍五入 */ const round = (num, ratio) => { const base = Math.pow(10, ratio); return divide(Math.round(times(num, base)), base); }; module.exports = round;