number-reads-cn/dist/index.js

数字中文读法转换工具（电话读法、数值读法、序列读法、金额读法、大写读法）

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.chineseReadToNumber = exports.chineseToNumber = exports.getAllNumberReads = void 0;
const digitToChineseMap = {
    '0': '零',
    '1': '一',
    '2': '二',
    '3': '三',
    '4': '四',
    '5': '五',
    '6': '六',
    '7': '七',
    '8': '八',
    '9': '九',
};
const digitToPhoneMap = {
    '0': '零',
    '1': '夭',
    '2': '二',
    '3': '三',
    '4': '四',
    '5': '五',
    '6': '六',
    '7': '七',
    '8': '八',
    '9': '九',
};
const digitToUppercaseMap = {
    '0': '零',
    '1': '壹',
    '2': '贰',
    '3': '叁',
    '4': '肆',
    '5': '伍',
    '6': '陆',
    '7': '柒',
    '8': '捌',
    '9': '玖',
};
/**
 * 数值中文大写（金额式读法）—— 支持亿以内
 */
const numberToChineseValue = (numStr) => {
    const num = Number(numStr);
    if (isNaN(num))
        return numStr;
    const digitToChinese = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'];
    const unit = ['', '十', '百', '千'];
    const sectionUnit = ['', '万', '亿', '兆'];
    const toSection = (sectionNum) => {
        let str = '';
        let zero = true;
        const sectionArr = sectionNum.split('').reverse();
        for (let i = 0; i < sectionArr.length; i++) {
            const n = parseInt(sectionArr[i]);
            if (n === 0) {
                if (!zero) {
                    zero = true;
                    str = digitToChinese[0] + str;
                }
            }
            else {
                zero = false;
                str = digitToChinese[n] + unit[i] + str;
            }
        }
        return str.replace(/零+$/g, '');
    };
    const numArr = numStr.split('').reverse().join('').match(/.{1,4}/g) || [];
    let result = '';
    for (let i = 0; i < numArr.length; i++) {
        const section = toSection(numArr[i].split('').reverse().join(''));
        if (section !== '') {
            result = section + sectionUnit[i] + result;
        }
        else {
            if (!result.startsWith('零'))
                result = '零' + result;
        }
    }
    result = result.replace(/^一十/, '十');
    result = result.replace(/零+/g, '零');
    result = result.replace(/零+$/g, '');
    return result;
};
/**
 * 获取所有中文数字读法
 */
const getAllNumberReads = (input) => {
    const phoneRead = input
        .split('')
        .map(char => digitToPhoneMap[char] || char);
    const phoneSegments = [
        phoneRead.slice(0, 3).join(''),
        phoneRead.slice(3, 7).join(''),
        phoneRead.slice(7).join(''),
    ];
    const telephone = phoneSegments.filter(s => s).join(' ');
    const number = numberToChineseValue(input);
    const currency = number + '元';
    const sequence = input
        .split('')
        .map(char => digitToChineseMap[char] || char)
        .join(' ');
    const upper = input
        .split('')
        .map(char => digitToUppercaseMap[char] || char)
        .join('');
    return [
        { label: '电话读法', value: telephone },
        { label: '数值读法', value: number },
        { label: '金额读法', value: currency },
        { label: '序列读法', value: sequence },
        { label: '大写读法', value: upper },
    ];
};
exports.getAllNumberReads = getAllNumberReads;
/**
 * 将中文数字读法（如：一百八十六）反向转为数字（如：186）
 * 暂只支持简体数字读法，不支持金额/大写/序列等
 */
const chineseToNumber = (chinese) => {
    const charToDigit = {
        '零': 0, '一': 1, '二': 2, '三': 3, '四': 4,
        '五': 5, '六': 6, '七': 7, '八': 8, '九': 9
    };
    const unitMap = {
        '十': 10,
        '百': 100,
        '千': 1000,
        '万': 10000,
        '亿': 100000000
    };
    let result = 0;
    let section = 0;
    let number = 0;
    let unit = 1;
    for (let i = chinese.length - 1; i >= 0; i--) {
        const char = chinese[i];
        if (char in charToDigit) {
            number = charToDigit[char];
            if (unit > 1) {
                section += number * unit;
                unit = 1;
            }
            else {
                section += number;
            }
        }
        else if (char in unitMap) {
            unit = unitMap[char];
            if (unit >= 10000) {
                result += section * unit;
                section = 0;
            }
        }
        else {
            // 忽略非数字字符
        }
    }
    result += section;
    return isNaN(result) ? null : result;
};
exports.chineseToNumber = chineseToNumber;
/**
 * 支持 getAllNumberReads 返回的所有读法反向转为数字
 */
const chineseReadToNumber = (read) => {
    // 去除空格和单位
    const cleanRead = read.replace(/[元\s]/g, '');
    // 如果是序列或电话读法（逐个数字中文）
    if (/^[零一二三四五六七八九夭]+$/.test(cleanRead)) {
        const map = { '夭': '1', '零': '0', '一': '1', '二': '2', '三': '3', '四': '4', '五': '5', '六': '6', '七': '7', '八': '8', '九': '9' };
        return Number(cleanRead.split('').map(c => map[c] || '').join('')) || null;
    }
    // 如果是大写读法（壹贰叁）
    if (/^[壹贰叁肆伍陆柒捌玖零]+$/.test(cleanRead)) {
        const map = { '壹': '1', '贰': '2', '叁': '3', '肆': '4', '伍': '5', '陆': '6', '柒': '7', '捌': '8', '玖': '9', '零': '0' };
        return Number(cleanRead.split('').map(c => map[c] || '').join('')) || null;
    }
    // 否则用中文数值解析（如 一百八十六）
    return (0, exports.chineseToNumber)(cleanRead);
};
exports.chineseReadToNumber = chineseReadToNumber;