Calculate class

主类，主要作用是空间命名

Constructors

Calculate()

Properties

hashCode → int

The hash code for this object.

read-only, inherited

runtimeType → Type

A representation of the runtime type of the object.

read-only, inherited

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a non-existent method or property is accessed.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

funs → Map<String, Function>

静态符号和计算方法名的map映射

final

Static Methods

divide(num a, num b) → num

相除计算方法

formatList(List<String> list) → List<String>

去除一个数字列表中数学计算符号有相重的问题。

LinierCalculate(String str) → num

计算一个数学计算字符串的值

ListCalculate(List<String> list) → num

计算一个正常的数字计算列表

multiply(num a, num b) → num

相乘计算方法

percent(num a, num b) → num

百分比,消费计算方法

plus(num a, num b) → num

相加计算方法

substract(num a, num b) → num

相减计算方法

toNumberList(String str, {bool onlyNumber = false}) → List<String>

toNumberList从一端字符串中解析出数字list onlyNumber bool false 是否也包括一些计算符号