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chinese-numerals

v0.1.0

Published

convert arabic number to chinese number

Downloads

5

Readme

Chinese Numerals

将阿拉伯数字转换为中文格式

Features

  • 以万为进位,转换数字为符合中文语法的中文格式数字
  • 支持使用自定义的文字字符,默认使用简体中文,并内置繁体中文字符集
  • 提供简单转换方式,不使用单位表示,直接使用数字表示
  • 支持以字符串传入的超大数字参数参数

Install

$ npm install chinese-numerals

Broswer

可以直接通过script引入,也支持amd
需要Array.prototype.map支持

API

interface ChineseNumerals {
    setDigit: (digitTable: DigitTable) => void;
    converter: (num: number | string) => string;
    transform: (num: number | string) => string;
    SimplifiedLetters: DigitTable;
    TraditionalLetters: DigitTable;
}

setDigit (digitTable: DigitTable) => void

设置使用的字符集合
其中,传入的digitTable参数格式

interface DigitTable {
    digit: [string, string, string, string, string, string, string, string, string, string];
    unit: [string, string, string];
    scale: string[];
    dot: string;
    negative: string;
}

可以基于内置的字符集改变部分字符来使用

const customDigits = Object.assign({}, chineseNumerals.SimplifiedLetters, {
  digit: ['〇', '一', '两', '三', '四', '五', '六', '七', '八', '九']
})
chineseNumerals.setDigit(customDigits)

converter (num: number | string) => string

转换数字为符合中文语法的数字字符串,对于超大数字可使用字符串参数
默认使用的位数为['万', '亿', '兆', '京', '垓', '秭', '穰', '沟', '涧', '正', '载']

chineseNumerals.converter(105500050)  // 一亿零五百五十万零五十
// 超大数使用字符串
chineseNumerals.converter('19007199254740993')  // 一京九千零七兆一千九百九十二亿五千四百七十四万零九百九十三

// 可通过自定义字符集来使用特定位表示
const customDigits = Object.assign({}, chineseNumerals.SimplifiedLetters, {
  scale: ['万', '亿'] // 只使用万和亿
})
chineseNumerals.setDigit(customDigits)
chineseNumerals.converter(1000000050005)  // 一万亿零五万零五 (一兆零五万零五)
chineseNumerals.converter('100000000000000000000000')  // 一千万亿亿 (一千垓)
chineseNumerals.converter('10000040004400000320000')  // 一百万零四亿零四万四千亿零三十二万 (一百垓零四京零四兆四千亿零三十二万)

transform (num: number | string) => string

直接转换数字为中文字符数字,不进行基于中文语法的位数转换

const customDigits = Object.assign({}, chineseNumerals.SimplifiedLetters, {
  digit: ['洞', '幺', '两', '三', '四', '五', '六', '拐', '八', '九']
})
chineseNumerals.setDigit(customDigits)

chineseNumerals.transform('001')  // 洞洞幺
chineseNumerals.transform('13012345678')  // 幺三洞幺两三四五六拐八

License

(The MIT License)