ExNum extension

扩展Num

on

• num?

Methods

add(num value) → double?

加 (精确相加,防止精度丢失). add (without loosing precision).

dateFormat(String pattern, {bool isSecond = false}) → String?

根据格式将时间戳(Milliseconds)格式化日期

divide(num value) → double?

除 (精确相除,防止精度丢失). divide (without loosing precision).

getTimeDifference({bool isShowDay = true, bool isSecond = false}) → String?

时间戳(Milliseconds)距离当前的时间

getTimeDifferenceDescription({bool isSecond = false}) → String?

时间戳(Milliseconds)距离当前的时间描述

multiply(num value) → double?

乘 (精确相乘,防止精度丢失). multiply (without loosing precision).

spacing() → Widget

间距

subtract(num value) → double?

减 (精确相减,防止精度丢失). subtract (without loosing precision).

toDateString({bool isSecond = false}) → String?

将时间戳(Milliseconds)格式化日期

toDateTimeString({bool isSecond = false}) → String?

将时间戳(Milliseconds)格式化日期时间

toFileSize({int decimals = 0}) → String?

将字节转为容量单位

toPrice(int amount, {MoneyFormats format = MoneyFormats.NORMAL, MoneyUnit unit = MoneyUnit.NORMAL}) → String?

转为金额字符串

toTimeString({bool isSecond = false}) → String?

将时间戳(Milliseconds)格式化时间