ExtensionNum extension

num 扩展

on

Properties

acos → double

Available on num, provided by the ExtensionNum extension

no setter
asin → double

Available on num, provided by the ExtensionNum extension

no setter
cos → double

Available on num, provided by the ExtensionNum extension

no setter
days → Duration

Available on num, provided by the ExtensionNum extension

天
no setter
exp → double

Available on num, provided by the ExtensionNum extension

no setter
heightBox → Widget

Available on num, provided by the ExtensionNum extension

Converts the number into a SizedBox with the height as that number.
no setter
hours → Duration

Available on num, provided by the ExtensionNum extension

时
no setter
isEven → bool

Available on num, provided by the ExtensionNum extension

Returns if the number is even
no setter
isNegative → bool

Available on num, provided by the ExtensionNum extension

Returns if the number is negative
no setter
isOdd → bool

Available on num, provided by the ExtensionNum extension

Returns if the number is odd
no setter
isPositive → bool

Available on num, provided by the ExtensionNum extension

Returns if the number is positive
no setter
length → int

Available on num, provided by the ExtensionNum extension

num 长
no setter
log → double

Available on num, provided by the ExtensionNum extension

no setter
microseconds → Duration

Available on num, provided by the ExtensionNum extension

微秒
no setter
milliseconds → Duration

Available on num, provided by the ExtensionNum extension

毫秒
no setter
minutes → Duration

Available on num, provided by the ExtensionNum extension

分
no setter
seconds → Duration

Available on num, provided by the ExtensionNum extension

秒
no setter
sqrt → double

Available on num, provided by the ExtensionNum extension

no setter
squareBox → Widget

Available on num, provided by the ExtensionNum extension

Converts the number into a SizedBox with the width & height as that number.
no setter
tan → double

Available on num, provided by the ExtensionNum extension

no setter
toClipboard → Future<void>

Available on num, provided by the ExtensionNum extension

复制到粘贴板
no setter
widthBox → Widget

Available on num, provided by the ExtensionNum extension

Converts the number into a SizedBox with the width as that number.
no setter

Methods

atan2(num value) → double

Available on num, provided by the ExtensionNum extension

contains(Pattern other, [int startIndex = 0]) → bool

Available on num, provided by the ExtensionNum extension

是否包含 other
fromMicrosecondsSinceEpoch({bool isUtc = false}) → DateTime?

Available on num, provided by the ExtensionNum extension

微秒时间戳转换 DateTime
fromMillisecondsSinceEpoch({bool isUtc = false}) → DateTime?

Available on num, provided by the ExtensionNum extension

毫秒时间戳转换 DateTime
generate<T>(T generator(int index), {bool growable = true}) → List<T>

Available on num, provided by the ExtensionNum extension

创建指定长度的List
insert(int index, dynamic element) → dynamic

Available on num, provided by the ExtensionNum extension

element 无论是 int 还是 double 返回 num 自己的类型 element 是String 返回 String 类型
max<T extends num>(T value) → T

Available on num, provided by the ExtensionNum extension

min<T extends num>(T value) → T

Available on num, provided by the ExtensionNum extension

padLeft(int width, [String padding = ' ']) → String

Available on num, provided by the ExtensionNum extension

toChineseNumbers({bool isSimplify = true, bool isWeek = false}) → String

Available on num, provided by the ExtensionNum extension

数字转中文 简繁体
toFileSize() → String

Available on num, provided by the ExtensionNum extension

int 字节转 k MB GB