'use strict'; import moment from 'moment'; import os from 'os'; /** * 字符串工具类集合 * * 提供各种字符串处理功能,包括: * - 字符串补零、修剪空格 * - 引号转义与替换 * - 子字符串截取 * - 全量字符串替换 * - 数字/中文/英文验证 * - IP地址处理 * - 时间格式化 * - 年级计算 * - 哈希表实现 * - 金额格式化 * - 数组排序 * - 循环熔断 * - 英语单词提取 * * 所有方法均为静态工具方法,可直接调用。 */ /** * 字符串工具类集合,提供多种字符串处理功能 * * @namespace stringUtils * @property {Function} AddZero - 给字符串左侧补零 * @property {Function} Trim - 删除字符串两端的空格 * @property {Function} LTrim - 删除字符串左侧的空格 * @property {Function} RTrim - 删除字符串右侧的空格 * @property {Function} AddSingleQuotes - 转义单引号 * @property {Function} SubStr - 截取子字符串 * @property {Function} ReplaceSingleQuotes - 替换单引号为双单引号 * @property {Function} ReplaceDoubleQuotes - 替换双引号为中文引号 * @property {Function} ReplaceAllString - 替换字符串中所有匹配项 * @property {Function} IsNumber - 判断字符串是否为纯数字 * @property {Function} GetServerIP - 获取服务器IP地址 * @property {Function} IsArray - 判断对象是否为数组 * @property {Function} ExportExcelRes - 设置Excel导出的响应头 * @property {Function} SetEncode - 字符编码转换 * @property {Function} SetDecode - 字符解码 * @property {Function} ChangeXML - 将JSON转换为XML格式 * @property {Function} Random - 生成指定范围内的随机整数 * @property {Function} RandomArray - 随机打乱数组顺序 * @property {Function} RemoveJSONNull - 移除JSON数组中的null值 * @property {Function} GetDateTimeFormat - 人性化时间格式化 * @property {Function} GetGrade - 根据生日计算年级 * @property {Function} GetGrade2 - 根据年级数字返回对应年级名称 * @property {Function} getMinuteSecond - 将秒数转换为分钟/秒格式 * @property {Function} FormatMoney - 将金额转换为格式化字符串 * @property {Function} FormatPercentageToFigure - 将百分比转换为数字 * @property {Function} SortArrayByStringLength - 根据字符串长度排序数组 * @property {Function} HasChinese - 判断整句是否包含中文 * @property {Function} SentenceChinesePosition - 返回句中中文的位置 * @property {Function} IsChinese - 判断是否是中文 * @property {Function} IsEnglish - 判断是否是英文 * @property {Function} loopBreaker - 循环熔断函数 * @property {Function} getGroupName - 获取小组名称 * @property {Function} CheckIsArray - 检查是否为数组 * @property {Function} GetOrdinalPostfix - 获取序数后缀 * @property {Function} TrimEndZero - 去除数字末尾多余的0 * @property {Function} IsValidIP - 验证IP地址格式 * @property {Function} IsValidChineseNumberParentheses - 验证字符串是否只包含汉字、数字、字母和括号 * @property {Function} GetClientIP - 获取客户端真实IP地址 * @property {Function} cleanWord - 清理单词中的非字母字符 * @property {Function} extractEnglishWords - 从文本中提取英语单词 */ // 不规则动词映射 const irregularVerbs = { 'arise': ['arose', 'arisen', 'arising', 'arises'], 'awake': ['awoke', 'awoken', 'awaking', 'awakes'], 'backslide': ['backslid', 'backslidden', 'backsliding', 'backslides'], 'become': ['became', 'become', 'becoming', 'becomes'], // 已有,但确保完整 'behold': ['beheld', 'beholding', 'beholds'], 'bend': ['bent', 'bending', 'bends'], 'bet': ['bet', 'betting', 'bets'], 'bid': ['bid', 'bidding', 'bids'], 'bind': ['bound', 'binding', 'binds'], 'bleed': ['bled', 'bleeding', 'bleeds'], 'blow': ['blew', 'blown', 'blowing', 'blows'], 'break': ['broke', 'broken', 'breaking', 'breaks'], 'breed': ['bred', 'breeding', 'breeds'], 'bring': ['brought', 'bringing', 'brings'], 'build': ['built', 'building', 'builds'], 'burn': ['burnt', 'burned', 'burning', 'burns'], 'burst': ['burst', 'bursting', 'bursts'], 'buy': ['bought', 'buying', 'buys'], 'cast': ['cast', 'casting', 'casts'], 'catch': ['caught', 'catching', 'catches'], 'choose': ['chose', 'chosen', 'choosing', 'chooses'], 'cling': ['clung', 'clinging', 'clings'], 'come': ['came', 'coming', 'comes'], 'cost': ['cost', 'costing', 'costs'], 'creep': ['crept', 'creeping', 'creeps'], 'cut': ['cut', 'cutting', 'cuts'], 'deal': ['dealt', 'dealing', 'deals'], 'dig': ['dug', 'digging', 'digs'], 'dive': ['dove', 'dived', 'diving', 'dives'], 'do': ['did', 'done', 'doing', 'does'], 'draw': ['drew', 'drawn', 'drawing', 'draws'], 'dream': ['dreamt', 'dreamed', 'dreaming', 'dreams'], 'drink': ['drank', 'drunk', 'drinking', 'drinks'], 'drive': ['drove', 'driven', 'driving', 'drives'], 'eat': ['ate', 'eaten', 'eating', 'eats'], 'fall': ['fell', 'fallen', 'falling', 'falls'], 'feed': ['fed', 'feeding', 'feeds'], 'feel': ['felt', 'feeling', 'feels'], 'fight': ['fought', 'fighting', 'fights'], 'find': ['found', 'finding', 'finds'], 'fit': ['fit', 'fitted', 'fitting', 'fits'], 'flee': ['fled', 'fleeing', 'flees'], 'fling': ['flung', 'flinging', 'flings'], 'fly': ['flew', 'flown', 'flying', 'flies'], 'forbid': ['forbade', 'forbidden', 'forbidding', 'forbids'], 'forget': ['forgot', 'forgotten', 'forgetting', 'forgets'], 'forgive': ['forgave', 'forgiven', 'forgiving', 'forgives'], 'freeze': ['froze', 'frozen', 'freezing', 'freezes'], 'get': ['got', 'gotten', 'getting', 'gets'], 'give': ['gave', 'given', 'giving', 'gives'], 'go': ['went', 'gone', 'going', 'goes'], 'grind': ['ground', 'grinding', 'grinds'], 'grow': ['grew', 'grown', 'growing', 'grows'], 'hang': ['hung', 'hanging', 'hangs'], 'have': ['has', 'had', 'having'], 'hear': ['heard', 'hearing', 'hears'], 'hide': ['hid', 'hidden', 'hiding', 'hides'], 'hit': ['hit', 'hitting', 'hits'], 'hold': ['held', 'holding', 'holds'], 'hurt': ['hurt', 'hurting', 'hurts'], 'keep': ['kept', 'keeping', 'keeps'], 'kneel': ['knelt', 'kneeling', 'kneels'], 'know': ['knew', 'known', 'knowing', 'knows'], 'lay': ['laid', 'laying', 'lays'], 'lead': ['led', 'leading', 'leads'], 'lean': ['leant', 'leaning', 'leans'], 'leap': ['leapt', 'leaping', 'leaps'], 'learn': ['learnt', 'learned', 'learning', 'learns'], 'leave': ['left', 'leaving', 'leaves'], 'lend': ['lent', 'lending', 'lends'], 'let': ['let', 'letting', 'lets'], 'lie': ['lay', 'lain', 'lying', 'lies'], 'light': ['lit', 'lighting', 'lights'], 'lose': ['lost', 'losing', 'loses'], 'make': ['made', 'making', 'makes'], 'mean': ['meant', 'meaning', 'means'], 'meet': ['met', 'meeting', 'meets'], 'mistake': ['mistook', 'mistaken', 'mistaking', 'mistakes'], 'pay': ['paid', 'paying', 'pays'], 'put': ['put', 'putting', 'puts'], 'quit': ['quit', 'quitting', 'quits'], 'read': ['read', 'reading', 'reads'], 'ride': ['rode', 'ridden', 'riding', 'rides'], 'ring': ['rang', 'rung', 'ringing', 'rings'], 'rise': ['rose', 'risen', 'rising', 'rises'], 'run': ['ran', 'run', 'running', 'runs'], 'say': ['said', 'saying', 'says'], 'see': ['saw', 'seen', 'seeing', 'sees'], 'seek': ['sought', 'seeking', 'seeks'], 'sell': ['sold', 'selling', 'sells'], 'send': ['sent', 'sending', 'sends'], 'set': ['set', 'setting', 'sets'], 'shake': ['shook', 'shaken', 'shaking', 'shakes'], 'shed': ['shed', 'shedding', 'sheds'], 'shine': ['shone', 'shining', 'shines'], 'shoot': ['shot', 'shooting', 'shoots'], 'show': ['showed', 'shown', 'showing', 'shows'], 'shrink': ['shrank', 'shrunk', 'shrinking', 'shrinks'], 'shut': ['shut', 'shutting', 'shuts'], 'sing': ['sang', 'sung', 'singing', 'sings'], 'sink': ['sank', 'sunk', 'sinking', 'sinks'], 'sit': ['sat', 'sitting', 'sits'], 'sleep': ['slept', 'sleeping', 'sleeps'], 'slide': ['slid', 'sliding', 'slides'], 'sling': ['slung', 'slinging', 'slings'], 'slink': ['slunk', 'slinking', 'slinks'], 'smell': ['smelt', 'smelling', 'smells'], 'speak': ['spoke', 'spoken', 'speaking', 'speaks'], 'speed': ['sped', 'speeding', 'speeds'], 'spell': ['spelt', 'spelling', 'spells'], 'spend': ['spent', 'spending', 'spends'], 'spill': ['spilt', 'spilling', 'spills'], 'spin': ['spun', 'spinning', 'spins'], 'spit': ['spat', 'spitting', 'spits'], 'split': ['split', 'splitting', 'splits'], 'spread': ['spread', 'spreading', 'spreads'], 'spring': ['sprang', 'sprung', 'springing', 'springs'], 'stand': ['stood', 'standing', 'stands'], 'steal': ['stole', 'stolen', 'stealing', 'steals'], 'stick': ['stuck', 'sticking', 'sticks'], 'sting': ['stung', 'stinging', 'stings'], 'stink': ['stank', 'stunk', 'stinking', 'stinks'], 'strike': ['struck', 'striking', 'strikes'], 'strive': ['strove', 'striven', 'striving', 'strives'], 'swear': ['swore', 'sworn', 'swearing', 'swears'], 'sweep': ['swept', 'sweeping', 'sweeps'], 'swim': ['swam', 'swum', 'swimming', 'swims'], 'swing': ['swung', 'swinging', 'swings'], 'take': ['took', 'taken', 'taking', 'takes'], 'teach': ['taught', 'teaching', 'teaches'], 'tear': ['tore', 'torn', 'tearing', 'tears'], 'tell': ['told', 'telling', 'tells'], 'think': ['thought', 'thinking', 'thinks'], 'throw': ['threw', 'thrown', 'throwing', 'throws'], 'thrust': ['thrust', 'thrusting', 'thrusts'], 'tread': ['trod', 'trodden', 'treading', 'treads'], 'undergo': ['underwent', 'undergone', 'undergoing', 'undergoes'], 'understand': ['understood', 'understanding', 'understands'], 'undertake': ['undertook', 'undertaken', 'undertaking', 'undertakes'], 'upset': ['upset', 'upsetting', 'upsets'], 'wake': ['woke', 'woken', 'waking', 'wakes'], 'wear': ['wore', 'worn', 'wearing', 'wears'], 'weave': ['wove', 'woven', 'weaving', 'weaves'], 'weep': ['wept', 'weeping', 'weeps'], 'win': ['won', 'winning', 'wins'], 'wind': ['wound', 'winding', 'winds'], 'withdraw': ['withdrew', 'withdrawn', 'withdrawing', 'withdraws'], 'wring': ['wrung', 'wringing', 'wrings'] }; // 不规则形容词/副词映射表 const irregularAdjectives = { 'good': ['better', 'best'], 'bad': ['worse', 'worst'], 'many': ['more', 'most'], 'much': ['more', 'most'], 'little': ['less', 'least'], 'far': ['further', 'furthest', 'farther', 'farthest'], 'old': ['older', 'oldest', 'elder', 'eldest'], 'late': ['later', 'latest', 'latter', 'last'], 'well': ['better', 'best'], 'ill': ['worse', 'worst'], 'easy': ['easier', 'easiest'], 'happy': ['happier', 'happiest'], 'busy': ['busier', 'busiest'], 'pretty': ['prettier', 'prettiest'], 'heavy': ['heavier', 'heaviest'], 'simple': ['simpler', 'simplest'], 'clever': ['cleverer', 'cleverest'], 'narrow': ['narrower', 'narrowest'], 'quiet': ['quieter', 'quietest'], 'large': ['larger', 'largest'], 'small': ['smaller', 'smallest'], 'big': ['bigger', 'biggest'], 'hot': ['hotter', 'hottest'], 'tall': ['taller', 'tallest'], 'short': ['shorter', 'shortest'], 'long': ['longer', 'longest'], 'high': ['higher', 'highest'], 'low': ['lower', 'lowest'], 'deep': ['deeper', 'deepest'], 'wide': ['wider', 'widest'], 'near': ['nearer', 'nearest'], 'clean': ['cleaner', 'cleanest'], 'quick': ['quicker', 'quickest'], 'slow': ['slower', 'slowest'], 'strong': ['stronger', 'strongest'], 'weak': ['weaker', 'weakest'], 'young': ['younger', 'youngest'], 'rich': ['richer', 'richest'], 'poor': ['poorer', 'poorest'], 'thick': ['thicker', 'thickest'], 'thin': ['thinner', 'thinnest'], 'fast': ['faster', 'fastest'], 'hard': ['harder', 'hardest'], 'soft': ['softer', 'softest'], 'warm': ['warmer', 'warmest'], 'cool': ['cooler', 'coolest'], 'cold': ['colder', 'coldest'], 'bright': ['brighter', 'brightest'], 'dark': ['darker', 'darkest'], 'light': ['lighter', 'lightest'], 'loud': ['louder', 'loudest'], 'sweet': ['sweeter', 'sweetest'], 'sour': ['sourer', 'sourest'], 'bitter': ['bitterer', 'bitterest'], 'nice': ['nicer', 'nicest'], 'fine': ['finer', 'finest'], 'brave': ['braver', 'bravest'], 'calm': ['calmer', 'calmest'], 'cute': ['cuter', 'cutest'], 'fair': ['fairer', 'fairest'], 'fresh': ['fresher', 'freshest'], 'full': ['fuller', 'fullest'], 'glad': ['gladder', 'gladdest'], 'great': ['greater', 'greatest'], 'kind': ['kinder', 'kindest'], 'new': ['newer', 'newest'], 'odd': ['odder', 'oddest'], 'rare': ['rarer', 'rarest'], 'real': ['realer', 'realest'], 'safe': ['safer', 'safest'], 'same': ['samer', 'samest'], 'sure': ['surer', 'surest'], 'true': ['truer', 'truest'], 'wise': ['wiser', 'wisest'] }; // 特殊不规则名词复数形式 const irregularNouns = { 'child': ['children'], 'man': ['men'], 'woman': ['women'], 'foot': ['feet'], 'tooth': ['teeth'], 'goose': ['geese'], 'mouse': ['mice'], 'ox': ['oxen'], 'person': ['people'], 'louse': ['lice'], 'leaf': ['leaves'], 'life': ['lives'], 'knife': ['knives'], 'wife': ['wives'], 'half': ['halves'], 'wolf': ['wolves'], 'shelf': ['shelves'], 'self': ['selves'], 'calf': ['calves'], 'thief': ['thieves'], 'deer': ['deer'], 'sheep': ['sheep'], 'fish': ['fish'], 'series': ['series'], 'species': ['species'], 'aircraft': ['aircraft'], 'information': ['information'], 'money': ['money'], 'rice': ['rice'], 'equipment': ['equipment'], 'furniture': ['furniture'], 'datum': ['data'], 'phenomenon': ['phenomena'], 'criterion': ['criteria'] }; export const stringUtils = { // 导出不规则字典 irregularVerbs, irregularAdjectives, irregularNouns, //给字符串左侧补零 AddZero: (str, length) => { while (str.length < length) { str = `0${str}`; } return str; }, //删除左右两端的空格 Trim: (str) => str.replace(/(^\s*)|(\s*$)/g, ""), //删除左边的空格 LTrim: (str) => str.replace(/(^\s*)/g, ""), //删除右边的空格 RTrim: (str) => str.replace(/(\s*$)/g, ""), //转义单引号 AddSingleQuotes: (str) => str.replace(/'/g, "''"), //截取子字符串 SubStr: (str, start, length) => (!str || str === "") ? str : str.substr(start, length), //替换单引号 ReplaceSingleQuotes: (str) => str.replace(/'/g, "''"), //替换双引号 ReplaceDoubleQuotes: (str) => { if (str && str.length > 0) { do { str = str.replace("\"", "“"); str = str.replace("\"", "”"); } while (str.indexOf("\"") >= 0); } return str; }, //替换字符串中所有匹配项 ReplaceAllString: (str, replaceStrFrom, replaceStrTo) => { if (str && str.length > 0) { const reg = new RegExp(replaceStrFrom, "g"); return str.toString().replace(reg, replaceStrTo); } return str; }, //判断是否是数字,true:是,false:不是 IsNumber: (value) => /^\d+$/.test(value), //获取服务器IP地址 GetServerIP: () => { const interfaces = os.networkInterfaces(); for (const devName in interfaces) { const iface = interfaces[devName]; for (let i = 0; i < iface.length; i++) { const alias = iface[i]; if (alias.family === 'IPv4' && alias.address !== '127.0.0.1' && !alias.internal) { return alias.address; } } } }, //判断是否是数组 IsArray: (obj) => Object.prototype.toString.call(obj) === '[object Array]', //导出Excel的Res ExportExcelRes: (res, fileName) => { res.set({ //'Content-Type': 'application/vnd.ms-execl;charset=utf-8', 'Content-Type': 'application/vnd.ms-execl', 'Content-Disposition': "attachment;filename=" + encodeURIComponent(fileName), 'Pragma': 'no-cache', 'Expires': 0 }); return res; }, //转码 SetEncode: (content, encode) => { const buffer = new Buffer(content); //需要转换字符集 const iconv = require('iconv-lite'); return iconv.encode(buffer, encode); }, //解码 SetDecode: (content, encode) => { const buffer = new Buffer(content); const iconv = require('iconv-lite'); return iconv.decode(buffer, encode); }, //将JSON转换为XML格式 ChangeXML: (json) => { const result = []; result.push("\r\n"); for (const item in json) { result.push(`<${item}>`); result.push(json[item]); result.push(`\r\n`); } result.push(""); return result.join(""); }, //生成指定范围内的随机整数 Random: (start, end) => { const result = parseInt(Math.random() * (end - start + 1) + start); return result; }, //随机打乱数组顺序(使用Fisher-Yates算法变体) RandomArray: (arr) => { const arrResult = []; let maxCount = 0; do { const rnd = stringUtils.Random(0, arr.length - 1); if (arr[rnd]) { arrResult.push(arr[rnd]); arr[rnd] = null; } maxCount++; } while (arrResult.length < arr.length && maxCount < 10000); return arrResult; }, //移除JSON数组中的null值 RemoveJSONNull: (list) => { for (let i = 0; i < list.length; i++) { const item = list[i]; for (const key in item) { if (item[key] == null) { delete item[key]; } } } return list; }, //得到格式化的时间为更人性化的刚刚,几分钟前,几小时前等 //人性化时间格式化(使用moment.js) GetDateTimeFormat: (date) => { let result = ""; const time1 = moment(date); const today = moment(`${moment().format('YYYY-MM-DD')} 00:00:00`); const yesterday = moment(`${moment().add(-1, 'd').format('YYYY-MM-DD')} 00:00:00`); const yesterday2 = moment(`${moment().add(-2, 'd').format('YYYY-MM-DD')} 00:00:00`); const tomorrow = moment(`${moment().add(1, 'd').format('YYYY-MM-DD')} 00:00:00`); const tomorrow2 = moment(`${moment().add(2, 'd').format('YYYY-MM-DD')} 00:00:00`); if (time1 < tomorrow) { if (moment().diff(time1, "s") < 300) { result = "刚刚"; } if (time1 >= today) { result = "今天"; } else if (time1 > yesterday) { result = "昨天"; } else if (time1 > yesterday2) { result = "前天"; } else { const daysDiff = moment().diff(time1, "d"); const monthsDiff = moment().diff(time1, "M"); result = monthsDiff < 1 ? `${daysDiff}天前` : `${monthsDiff}月前`; } } else { if (time1 < tomorrow2) { result = "明天"; } else { const daysDiff = -moment().diff(time1, "d"); const monthsDiff = -moment().diff(time1, "M"); result = monthsDiff < 1 ? `${daysDiff < 2 ? 2 : daysDiff}天后` : `${monthsDiff}月后`; } } return result; }, //得到年级 //根据生日计算年级 GetGrade: (birthday, returnType) => { if (birthday.includes(".")) { birthday = birthday.replace(".", "-"); } let result = ""; if (birthday) { const b = moment(birthday); const now = moment(); const diff = now.diff(b, 'months'); if (returnType === "number") { if (diff <= 85) result = 1; else if (diff <= 97) result = 2; else if (diff <= 109) result = 3; else result = 4; } else { if (diff <= 37) { result = `${diff}个月`; } else if (diff <= 49) { result = "幼儿园小班"; } else if (diff <= 61) { result = "幼儿园中班"; } else if (diff <= 73) { result = "幼儿园大班"; } else if (diff <= 85) { result = "一年级"; } else if (diff <= 97) { result = "二年级"; } else if (diff <= 109) { result = "三年级"; } else if (diff <= 121) { result = "四年级"; } else if (diff <= 133) { result = "五年级"; } else if (diff <= 145) { result = "六年级"; } else if (diff > 145) { result = "初中及以上年龄"; } } } return result; }, //得到年级 //根据年级数字返回对应年级名称 GetGrade2: (gradeNum) => { let result = "一年级"; switch (gradeNum) { case 0: case 1: result = "一年级"; break; case 2: result = "二年级"; break; case 3: result = "三年级"; break; case 4: result = "四年级"; break; case 5: result = "五年级"; break; case 6: result = "六年级"; break; case 7: result = "初一"; break; case 8: result = "初二"; break; case 9: result = "初三"; break; case 10: result = "高一"; break; case 11: result = "高二"; break; case 12: result = "高三"; break; default: result = "大学及成人"; break; } return result; }, //将秒数转换为分钟/秒格式 getMinuteSecond: (second, chs, hasSecond) => { if (!second) second = 0; const secondUnit = chs ? "秒" : "″"; const minuteUnit = chs ? "分" : "′"; const hourUnit = chs ? "时" : ":"; if (second < 60) { return `${second}${secondUnit}`; } let minute = Math.floor(second / 60); second = Math.round((second - minute * 60) * 1000) / 1000; if (minute >= 60) { const hour = Math.floor(minute / 60); minute = minute - hour * 60; if (minute === 0 && second === 0) { return `${hour}${hourUnit}`; } else if (second === 0) { return `${hour}${hourUnit}${minute}${minuteUnit}`; } else { return hasSecond ? `${hour}${hourUnit}${minute + 1}${minuteUnit}` : `${hour}${hourUnit}${minute}${minuteUnit}${second}${secondUnit}`; } } else { if (second === 0) { return `${minute}${minuteUnit}`; } else { return hasSecond ? `${minute + 1}${minuteUnit}` : `${minute}${minuteUnit}${second}${secondUnit}`; } } }, //哈希表的类 HashTable: class HashTable { constructor() { this.size = 0; this.entry = {}; } add(key, value) { if (!this.containsKey(key)) { this.size++; } this.entry[key] = value; } update(key, value) { if (this.containsKey(key)) { this.entry[key] = value; } } getValue(key) { return this.containsKey(key) ? this.entry[key] : null; } remove(key) { if (this.containsKey(key) && (delete this.entry[key])) { this.size--; } } containsKey(key) { return (key in this.entry); } containsValue(value) { for (const prop in this.entry) { if (this.entry[prop] == value) { return true; } } return false; } getValues() { const values = []; for (const prop in this.entry) { values.push(this.entry[prop]); } return values; } getKeys() { const keys = []; for (const prop in this.entry) { keys.push(prop); } return keys; } getKeysAndValues() { const keysValues = []; for (const prop in this.entry) { keysValues.push(prop + "###" + this.entry[prop]); } return keysValues; } getSize() { return this.size; } clear() { this.size = 0; this.entry = {}; } }, //将金额转换为格式化字符串(保留两位小数) FormatMoney: (money) => { if (money === 0) return "0.00"; let result = (Math.round(money) / 100).toString(); if (result.includes(".")) { if (result.substr(result.indexOf(".")).length < 3) { result += "0"; } } else { result += ".00"; } return result; }, FormatPercentageToFigure: (percentage) => { let result; if (percentage.indexOf("%") > 0) { result = percentage.replace("%", ""); } result = Number(result) / 100; return result; }, //排序数组根据字符串长度 SortArrayByStringLength: (arr) => { const result = []; const temp = []; for (let i = 0; i < 30; i++) { temp.push([]); } for (let i = 0; i < arr.length; i++) { const item = arr[i]; temp[item.length].push(item); } for (let i = 0; i < temp.length; i++) { temp[i].sort(); for (let j = 0; j < temp[i].length; j++) { result.push(temp[i][j]); } } return result; }, //返回句中中文的位置 SentenceChinesePosition: (temp) => { let result = -1; const reg = /^[\u4e00-\u9fa5]|[\uFE30-\uFFA0]+$/; /*定义验证表达式*/ if (temp) { temp = temp.toString(); for (let i = 0; i < temp.length; i++) { if (reg.test(temp[i])) { result = i; break; } } } return result; }, //判断整句是否有中文 HasChinese: (temp) => { let result = false; const reg = /^[\u4e00-\u9fa5]|[\uFE30-\uFFA0]+$/; /*定义验证表达式*/ if (temp) { temp = temp.toString(); for (let i = 0; i < temp.length; i++) { if (reg.test(temp[i])) { result = true; break; } } } return result; }, //判断是否是中文 IsChinese: (temp) => { const reg = /^[\u4e00-\u9fa5\uFE30-\uFFA0]+$/; /*定义验证表达式*/ return reg.test(temp); /*进行验证*/ }, //判断是否是英文 IsEnglish: (temp) => { const reg = new RegExp("^[A-Za-z]+(?:['-][A-Za-z]+)*(?:\\s+[A-Za-z]+(?:['-][A-Za-z]+)*)*$"); return reg.test(temp); /*进行验证*/ }, //循环熔断函数 loopBreaker: (startTime, second) => { if (!second) { second = 60; } if (!startTime) { startTime = Date.now(); } if (Date.now() - startTime > second * 1000) { throw new Error("Loop Broken!"); } }, //得到小组名称 getGroupName: (groupID, isAllName) => { let name = ""; switch (groupID) { case 1: name = '彩'; if (isAllName) { name = "彩虹"; } break; case 2: name = '润'; if (isAllName) { name = "润雨"; } break; case 3: name = '扬'; if (isAllName) { name = "扬帆"; } break; } return name; }, CheckIsArray: (obj) => { return Object.prototype.toString.call(obj) === '[object Array]'; }, //得到序数的后缀 GetOrdinalPostfix: (number) => { switch (number) { case 1: return "st"; case 2: return "nd"; case 3: return "rd"; default: return "th"; } }, //去除数字末尾多余的0 TrimEndZero: (input)=> { // 判断是否是数字或数字字符串 if (typeof input === 'number' || (typeof input === 'string' && /^-?\d+(\.\d+)?$/.test(input))) { // 转换为数字后转为字符串输出,自动去除末尾多余的0 return Number(input).toString(); } // 非数字或非数字字符串保持原样返回 return input; }, // 验证IP地址格式是否有效 IsValidIP: (ip) => { if (!ip) return false; // IPv4格式验证 const ipv4Regex = /^(\d{1,3}\.){3}\d{1,3}$/; if (ipv4Regex.test(ip)) { const parts = ip.split('.'); return parts.every(part => { const num = parseInt(part, 10); return num >= 0 && num <= 255; }); } // IPv6格式验证(简化版) const ipv6Regex = /^([0-9a-fA-F]{1,4}:){7}[0-9a-fA-F]{1,4}$/; return ipv6Regex.test(ip); }, // 判断字符串是否只包含汉字、数字、大小写字母和全/半角小括号 IsValidChineseNumberParentheses: (str) => { if (!str) return true; // 空字符串视为有效 // 匹配规则: // [\u4e00-\u9fa5]: 匹配汉字 // 0-9: 匹配数字 // a-zA-Z: 匹配大小写字母 // (): 匹配半角小括号 // (): 匹配全角小括号 const regex = /^[\u4e00-\u9fa5\da-zA-Z()()]+$/; return regex.test(str); }, // 获取客户端真实IP地址的通用函数 GetClientIP: (ctx) => { // 检查所有可能的代理头 const proxyHeaders = [ 'x-forwarded-for', 'x-real-ip', 'x-client-ip', 'x-forwarded', 'forwarded-for', 'x-cluster-client-ip', 'proxy-client-ip', 'cf-connecting-ip', // Cloudflare 'true-client-ip', // Akamai and Cloudflare 'fastly-client-ip', // Fastly 'x-original-forwarded-for' ]; let clientIP = null; // 1. 首先检查所有代理头 for (const header of proxyHeaders) { const value = ctx.request.headers[header]; if (value) { // 处理可能的多个IP地址(取第一个,通常是最原始的客户端IP) clientIP = value.split(',')[0].trim(); if (stringUtils.IsValidIP(clientIP)) { break; } } } // 2. 如果没有找到有效的代理头IP,尝试Koa的标准方法 if (!clientIP || !stringUtils.IsValidIP(clientIP)) { clientIP = ctx.ip || ctx.request.ip; } // 3. 如果还是没有,尝试socket if (!clientIP || !stringUtils.IsValidIP(clientIP)) { clientIP = ctx.request.socket.remoteAddress; } // 处理IPv6格式 if (clientIP) { // 处理IPv4映射的IPv6地址 (::ffff:127.0.0.1 格式) if (clientIP.startsWith('::ffff:')) { clientIP = clientIP.substring(7); } // 处理IPv6本地回环地址 else if (clientIP === '::1') { clientIP = '127.0.0.1'; } } return clientIP || '0.0.0.0'; }, cleanWord(word) { if (!word) return ''; // 去除单词前后的非字母字符 const cleaned = word.replace(/^[^A-Za-z]+|[^A-Za-z]+$/g, ''); // 保留单词中间的撇号和连字符 return cleaned.replace(/[^A-Za-z''-]/g, ''); }, // 提取英语单词的函数 - 增强版 extractEnglishWords(texts) { //console.group('英语单词提取'); const words = new Set(); texts.forEach(item => { const text = item; //console.log('处理文本:', text); // 使用多种分隔符分割文本(空格、逗号、句号、感叹号、中文字符等) // 这个正则表达式会匹配任何非英文字母、撇号或连字符的字符作为分隔符 const parts = text.split(/[^A-Za-z''-]+/).filter(Boolean); //console.log('分割后的部分:', parts); // 处理每个可能的单词 parts.forEach(part => { // 清理并验证单词 const cleanWord = this.cleanWord(part); // 特殊处理单词"I" if (cleanWord === 'I' || cleanWord === 'a') { words.add(cleanWord); // 添加小写的"i" //console.log('添加单词: I (特殊处理)'); } // 处理其他单词(长度>=2) else if (cleanWord && cleanWord.length >= 2 && /^[A-Za-z''-]+$/.test(cleanWord)) { let lowerWord = cleanWord.toLowerCase(); if (lowerWord=="i'm"){ lowerWord="I'm"; } words.add(lowerWord); //console.log('添加单词:', lowerWord); } }); }); //const result = Array.from(words).sort(); let result = Array.from(words); //console.log('提取结果:', result); //console.groupEnd(); return result; }, /** * 获取单词的所有变形形式 * @param {string} word - 要获取变形的单词 * @returns {string[]} - 单词的所有变形形式数组 */ getWordAllForms: (word) => { if (!word || typeof word !== 'string') { return []; } word = word.trim(); if (word === '') { return []; } // 保留原始单词,包括大小写和标点符号 const originalWord = word; // 转换为小写进行处理 const lowerWord = word.toLowerCase(); // 使用Set存储所有可能的变形,避免重复 const allForms = new Set([lowerWord]); // 初始包含原单词 // 如果原始单词与小写形式不同,也添加原始单词 if (originalWord !== lowerWord) { allForms.add(originalWord); } // 检查是否是不规则形容词/副词 for (const [base, forms] of Object.entries(stringUtils.irregularAdjectives)) { if (base === lowerWord || forms.includes(lowerWord)) { // 添加原形和所有变形 allForms.add(base); forms.forEach(form => allForms.add(form)); // 不规则形容词处理完成后直接返回,避免进一步处理 return [...allForms]; } } // 检查是否是不规则动词 for (const [base, forms] of Object.entries(stringUtils.irregularVerbs)) { if (base === lowerWord || forms.includes(lowerWord)) { // 添加原形和所有变形 allForms.add(base); forms.forEach(form => allForms.add(form)); // 不规则动词处理完成后直接返回,避免进一步处理 return [...allForms]; } } // 不规则名词检查(单数形式) if (stringUtils.irregularNouns[lowerWord]) { allForms.add(lowerWord); // 添加原词 stringUtils.irregularNouns[lowerWord].forEach(form => allForms.add(form)); // 不规则名词处理完成后直接返回,避免进一步处理 return [...allForms]; } // 不规则名词检查(复数形式) for (const [singular, plurals] of Object.entries(stringUtils.irregularNouns)) { if (plurals.includes(lowerWord)) { allForms.add(singular); allForms.add(lowerWord); // 添加原词 plurals.forEach(form => allForms.add(form)); // 不规则名词处理完成后直接返回,避免进一步处理 return [...allForms]; } } // 特殊处理一些常见的副词和特殊单词,避免错误的词干提取和变形 const specialWords = { // 情态动词 'can': ['can', 'could', 'cannot', "can't"], 'may': ['may', 'might'], 'shall': ['shall', 'should', "shouldn't"], 'will': ['will', 'would', "won't", "wouldn't"], 'must': ['must', 'have to', 'has to', 'had to', "mustn't"], // 特殊形容词及其变形 'good': ['good', 'better', 'best', 'well'], 'bad': ['bad', 'worse', 'worst', 'badly'], 'better': ['better', 'good', 'best', 'well'], 'best': ['best', 'good', 'better', 'well'], 'worse': ['worse', 'bad', 'worst', 'badly'], 'worst': ['worst', 'bad', 'worse', 'badly'], // 特殊副词 'early': ['early', 'earlier', 'earliest'], 'only': ['only'], 'likely': ['likely', 'more likely', 'most likely'], 'friendly': ['friendly', 'friendlier', 'friendliest'], 'lovely': ['lovely', 'lovelier', 'loveliest'], 'timely': ['timely', 'timelier', 'timeliest'], 'weekly': ['weekly'], 'monthly': ['monthly'], 'yearly': ['yearly'], 'daily': ['daily'], 'well': ['well', 'better', 'best', 'good'], 'badly': ['badly', 'worse', 'worst', 'bad'], // 对应bad的副词形式 // 特殊动词 'play': ['play', 'plays', 'played', 'playing'], 'stay': ['stay', 'stays', 'stayed', 'staying'], 'pay': ['pay', 'pays', 'paid', 'paying'], 'lay': ['lay', 'lays', 'laid', 'laying'], 'say': ['say', 'says', 'said', 'saying'], 'go': ['go', 'goes', 'went', 'gone', 'going'], 'went': ['went', 'go', 'gone', 'going', 'goes'], // 特殊名词 'box': ['box', 'boxes'], 'fox': ['fox', 'foxes'], 'tax': ['tax', 'taxes'], 'child': ['child', 'children'], 'children': ['children', 'child'], 'bush': ['bush', 'bushes'], 'dish': ['dish', 'dishes'], 'church': ['church', 'churches'], 'tomato': ['tomato', 'tomatoes'], 'potato': ['potato', 'potatoes'], 'hero': ['hero', 'heroes'], 'echo': ['echo', 'echoes'], // 缩写词 'its': ['its'], // 物主代词 'it\'s': ['it\'s', 'it is', 'it has'], // it is 的缩写 'I\'m': ['I\'m', 'I am'], // I am 的缩写 'don\'t': ['don\'t', 'do not'], // do not 的缩写 'doesn\'t': ['doesn\'t', 'does not'], // does not 的缩写 'can\'t': ['can\'t', 'cannot'], // can not 的缩写 'won\'t': ['won\'t', 'will not'], // will not 的缩写 'we\'re': ['we are'], 'they\'re': ['they are'], 'you\'re': ['you are'], 'he\'s': ['he is', 'he has'], 'she\'s': ['she is', 'she has'], 'it\'d': ['it would', 'it had'], 'we\'d': ['we would', 'we had'], 'they\'d': ['they would', 'they had'], 'couldn\'t': ['could not'], 'shouldn\'t': ['should not'], 'wouldn\'t': ['would not'], 'mustn\'t': ['must not'], 'haven\'t': ['haven\'t', 'have not'], 'hasn\'t': ['hasn\'t', 'has not'], 'hadn\'t': ['hadn\'t', 'had not'], 'isn\'t': ['isn\'t', 'is not'], 'aren\'t': ['aren\'t', 'are not'], 'wasn\'t': ['wasn\'t', 'was not'], 'weren\'t': ['weren\'t', 'were not'], 'should\'ve': ['should have'], 'would\'ve': ['would have'], 'could\'ve': ['could have'] }; // 如果是特殊单词,添加预定义的变形 if (specialWords[lowerWord]) { specialWords[lowerWord].forEach(form => allForms.add(form)); // 处理完特殊词后返回,避免进一步处理 return [...allForms]; } // 检查是否是特殊单词的变形 for (const [base, forms] of Object.entries(specialWords)) { if (forms.includes(lowerWord)) { // 添加基本形式 allForms.add(base); // 添加所有变形 forms.forEach(form => allForms.add(form)); // 找到特殊单词变形后直接返回,避免进一步处理 return [...allForms]; } } // 获取单词的原形(基本形式) const possibleBaseWords = []; // 特殊单词列表,这些单词不应被识别为任何变形 const specialBaseWords = ['this', 'is', 'was', 'has', 'his', 'its', 'us', 'yes', 'thus', 'plus']; if (specialBaseWords.includes(lowerWord)) { // 对于特殊基础词,只返回原词 return [lowerWord]; } // 处理规则变形 // 处理过去式/过去分词 (-ed) if (lowerWord.endsWith('ed') && lowerWord.length > 2) { // 基本形式 possibleBaseWords.push(lowerWord.slice(0, -2)); // 常规情况 (walked -> walk) // 处理双辅音+ed的情况 (stepped -> step, planned -> plan) const doubleConsonantPattern = /([bcdfghjklmnpqrstvwxyz])\1ed$/; if (doubleConsonantPattern.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -3)); // 如 planned -> plan } // 处理以辅音+y结尾变为ied的情况 (studied -> study) if (lowerWord.endsWith('ied') && lowerWord.length > 3) { const beforeY = lowerWord.slice(0, -3); if (beforeY.length > 0 && /[a-z]$/.test(beforeY)) { possibleBaseWords.push(beforeY + 'y'); } } // 处理以e结尾的动词变为ed的情况 (liked -> like) if (lowerWord.endsWith('ed') && /[bcdfghjklmnpqrstvwxyz]ed$/.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -1)); // 如 liked -> like } } // 处理以e结尾的动词加d的情况 (used -> use) if (lowerWord.endsWith('d') && !lowerWord.endsWith('ed') && lowerWord.length > 1) { possibleBaseWords.push(lowerWord.slice(0, -1)); // 如 used -> use } // 处理现在分词 (-ing) if (lowerWord.endsWith('ing') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -3)); // 常规情况 (walking -> walk) // 处理双辅音+ing的情况 (running -> run) const doubleConsonantPattern = /([bcdfghjklmnpqrstvwxyz])\1ing$/; if (doubleConsonantPattern.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -4)); // 如 running -> run } // 处理特殊的ing形式 (lying -> lie) if (lowerWord.endsWith('ying') && lowerWord.length > 4) { possibleBaseWords.push(lowerWord.slice(0, -4) + 'ie'); // 如 lying -> lie } // 处理以辅音+e结尾的动词变为ing的情况 (like -> liking) if (lowerWord.endsWith('ing') && /[bcdfghjklmnpqrstvwxyz]ing$/.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'e'); } } // 处理比较级 (-er) if (lowerWord.endsWith('er') && lowerWord.length > 2) { possibleBaseWords.push(lowerWord.slice(0, -2)); // 常规情况 (faster -> fast) // 处理双辅音+er的情况 (bigger -> big) const doubleConsonantPattern = /([bcdfghjklmnpqrstvwxyz])\1er$/; if (doubleConsonantPattern.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -3)); // 如 bigger -> big } // 处理以辅音+y结尾变为ier的情况 (happier -> happy) if (lowerWord.endsWith('ier') && lowerWord.length > 3) { const beforeY = lowerWord.slice(0, -3); if (beforeY.length > 0 && /[a-z]$/.test(beforeY)) { possibleBaseWords.push(beforeY + 'y'); } } // 处理以e结尾+r的情况 (nicer -> nice) if (lowerWord.endsWith('er') && /[^aeiou]er$/.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -2) + 'e'); // 如 nicer -> nice } } // 处理最高级 (-est) if (lowerWord.endsWith('est') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -3)); // 常规情况 (fastest -> fast) // 处理双辅音+est的情况 (biggest -> big) const doubleConsonantPattern = /([bcdfghjklmnpqrstvwxyz])\1est$/; if (doubleConsonantPattern.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -4)); // 如 biggest -> big } // 处理以辅音+y结尾变为iest的情况 (happiest -> happy) if (lowerWord.endsWith('iest') && lowerWord.length > 4) { const beforeY = lowerWord.slice(0, -4); if (beforeY.length > 0 && /[a-z]$/.test(beforeY)) { possibleBaseWords.push(beforeY + 'y'); } } // 处理以e结尾+st的情况 (nicest -> nice) if (lowerWord.endsWith('est') && /[^aeiou]est$/.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'e'); // 如 nicest -> nice } } // 处理副词 (-ly) if (lowerWord.endsWith('ly') && lowerWord.length > 2) { possibleBaseWords.push(lowerWord.slice(0, -2)); // 常规情况 (quickly -> quick) // 处理以辅音+y结尾变为ily的情况 (happily -> happy) if (lowerWord.endsWith('ily') && lowerWord.length > 3) { const beforeY = lowerWord.slice(0, -3); if (beforeY.length > 0 && /[a-z]$/.test(beforeY)) { possibleBaseWords.push(beforeY + 'y'); } } } // 处理复数形式 (-s, -es) if (lowerWord.endsWith('s') && lowerWord.length > 1) { // 基本复数形式 (books -> book) if (!lowerWord.endsWith('ss') && !lowerWord.endsWith('us') && !lowerWord.endsWith('is')) { possibleBaseWords.push(lowerWord.slice(0, -1)); } // 处理 -es 结尾 (boxes -> box) if (lowerWord.endsWith('es') && lowerWord.length > 2) { // 处理以ch, sh, ss, x, z结尾的名词复数形式 (boxes -> box) if (/(?:ch|sh|ss|x|z)es$/.test(lowerWord)) { possibleBaseWords.push(lowerWord.slice(0, -2)); // 如 boxes -> box } // 处理以辅音+o结尾的名词复数形式 (heroes -> hero) if (lowerWord.endsWith('oes') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -2)); // 如 heroes -> hero } // 处理以y结尾变为ies的情况 (cities -> city) if (lowerWord.endsWith('ies') && lowerWord.length > 3) { const beforeY = lowerWord.slice(0, -3); if (beforeY.length > 0 && /[a-z]$/.test(beforeY)) { possibleBaseWords.push(beforeY + 'y'); } } } } // 处理以fe结尾变为ves的情况 (knives -> knife) if (lowerWord.endsWith('ves') && lowerWord.length > 4) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'fe'); // 如 knives -> knife possibleBaseWords.push(lowerWord.slice(0, -3) + 'f'); // 如 wives -> wife } // 处理特殊的复数形式 if (lowerWord.endsWith('men') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'man'); // 如 women -> woman, men -> man } if (lowerWord.endsWith('ice') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'ouse'); // 如 mice -> mouse } if (lowerWord.endsWith('eet') && lowerWord.length > 3) { possibleBaseWords.push(lowerWord.slice(0, -3) + 'oot'); // 如 feet -> foot } if (lowerWord.endsWith('ildren') && lowerWord.length > 6) { possibleBaseWords.push(lowerWord.slice(0, -6) + 'ild'); // 如 children -> child } // 去重并过滤掉过短的单词 const uniqueBaseWords = [...new Set(possibleBaseWords)].filter(w => w.length >= 1); // 添加所有可能的原形到变形集合中 uniqueBaseWords.forEach(base => allForms.add(base)); // 判断词性的简单启发式规则 const adjectiveSuffixes = ['ful', 'ous', 'ive', 'ic', 'al', 'ent', 'ant', 'able', 'ible', 'ary', 'ory', 'ish']; const verbSuffixes = ['ize', 'ise', 'ate', 'ify', 'en']; const nounSuffixes = ['tion', 'sion', 'ment', 'ness', 'ity', 'hood', 'ship', 'dom', 'ism', 'ist']; const adverbSuffixes = ['ly', 'ward', 'wise']; // 副词后缀 // 一些常见的形容词 const commonAdjectives = ['good', 'bad', 'big', 'small', 'high', 'low', 'long', 'short', 'old', 'new', 'fast', 'slow', 'hard', 'soft', 'hot', 'cold', 'warm', 'cool', 'rich', 'poor', 'thick', 'thin', 'wide', 'narrow', 'deep', 'shallow', 'strong', 'weak', 'young', 'bright', 'dark', 'light', 'heavy', 'easy', 'clean', 'dirty', 'full', 'empty', 'dry', 'wet', 'sick', 'healthy', 'loud', 'quiet', 'sweet', 'sour', 'bitter', 'nice', 'mean', 'kind', 'cruel', 'brave', 'afraid', 'happy', 'sad', 'angry', 'calm', 'busy', 'free', 'cheap', 'expensive', 'safe', 'dangerous']; // 一些常见的动词 const commonVerbs = ['go', 'come', 'get', 'give', 'make', 'take', 'put', 'set', 'let', 'run', 'move', 'walk', 'talk', 'look', 'see', 'hear', 'feel', 'think', 'know', 'find', 'want', 'need', 'use', 'try', 'ask', 'work', 'call', 'help', 'play', 'stop', 'start', 'turn', 'show', 'tell', 'say', 'write', 'read', 'sing', 'eat', 'drink', 'sleep', 'sit', 'stand', 'lie', 'fall', 'rise', 'leave', 'reach', 'like', 'love', 'hate', 'hope', 'live', 'die', 'buy', 'sell', 'pay', 'build', 'break', 'cut', 'open', 'close']; // 检查是否是形容词 let isLikelyAdjective = adjectiveSuffixes.some(suffix => lowerWord.endsWith(suffix)) || commonAdjectives.includes(lowerWord) || (lowerWord.length <= 6 && !nounSuffixes.some(suffix => lowerWord.endsWith(suffix))); // 检查是否是动词 let isLikelyVerb = verbSuffixes.some(suffix => lowerWord.endsWith(suffix)) || commonVerbs.includes(lowerWord) || (lowerWord.length <= 5 && !adjectiveSuffixes.some(suffix => lowerWord.endsWith(suffix)) && !nounSuffixes.some(suffix => lowerWord.endsWith(suffix))); // 检查是否是副词 let isLikelyAdverb = adverbSuffixes.some(suffix => lowerWord.endsWith(suffix)); // 动词变形 (如果可能是动词) if (isLikelyVerb && lowerWord.length >= 2) { // 第三人称单数 (walk -> walks) if (!lowerWord.endsWith('s') && !lowerWord.endsWith('sh') && !lowerWord.endsWith('ch') && !lowerWord.endsWith('x') && !lowerWord.endsWith('z')) { if (lowerWord.endsWith('s') || lowerWord.endsWith('x') || lowerWord.endsWith('ch') || lowerWord.endsWith('sh') || lowerWord.endsWith('z')) { allForms.add(lowerWord + 'es'); } else if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ies'); } else { allForms.add(lowerWord + 's'); } } // 第三人称单数 (-s) if (!lowerWord.endsWith('s') && !lowerWord.endsWith('sh') && !lowerWord.endsWith('ch') && !lowerWord.endsWith('x') && !lowerWord.endsWith('z')) { if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ies'); } else if (lowerWord.endsWith('s') || lowerWord.endsWith('x') || lowerWord.endsWith('ch') || lowerWord.endsWith('sh') || lowerWord.endsWith('z')) { allForms.add(lowerWord + 'es'); } else { allForms.add(lowerWord + 's'); } } // 过去式和过去分词 (-ed) // 不对已经以-ed结尾的词添加-ed if (!lowerWord.endsWith('ed')) { if (lowerWord.endsWith('e')) { allForms.add(lowerWord + 'd'); } else if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ied'); // 确保以-ied结尾的单词也能生成其他变形 if (lowerWord === 'study') { allForms.add('studies'); allForms.add('studying'); } } else if (lowerWord.length > 2 && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 1)) && ['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2)) && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 3))) { // 双写末尾辅音字母的情况,如 stop -> stopped allForms.add(lowerWord + lowerWord.charAt(lowerWord.length - 1) + 'ed'); } else { allForms.add(lowerWord + 'ed'); } } // 现在分词 (-ing) // 不对已经以-ing结尾的词添加-ing if (!lowerWord.endsWith('ing')) { if (lowerWord.endsWith('ie')) { allForms.add(lowerWord.slice(0, -2) + 'ying'); } else if (lowerWord.endsWith('e') && lowerWord.length > 2) { allForms.add(lowerWord.slice(0, -1) + 'ing'); } else if (lowerWord.length > 2 && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 1)) && ['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2)) && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 3))) { // 双写末尾辅音字母的情况,如 run -> running allForms.add(lowerWord + lowerWord.charAt(lowerWord.length - 1) + 'ing'); } else { allForms.add(lowerWord + 'ing'); } // 确保以-ied结尾的单词也能生成现在分词 if (lowerWord.endsWith('ied') && lowerWord.length > 3) { allForms.add(lowerWord.slice(0, -3) + 'ying'); } } } // 形容词和副词变形 (如果可能是形容词或副词) if ((isLikelyAdjective || isLikelyAdverb) && lowerWord.length >= 2 && !lowerWord.endsWith('ing') && !lowerWord.endsWith('ed') && lowerWord.length <= 12) { // 限制长度,避免生成不必要的变形 // 检查是否是多音节形容词,这些通常使用 more/most 而不是 -er/-est const isMultisyllabic = lowerWord.length > 7 || lowerWord.endsWith('ful') || lowerWord.endsWith('ous') || lowerWord.endsWith('ive') || lowerWord.endsWith('ic') || lowerWord.endsWith('al') || lowerWord.endsWith('ent') || lowerWord.endsWith('ant') || lowerWord.endsWith('able') || lowerWord.endsWith('ible'); // 只为短形容词生成比较级和最高级 if (!isMultisyllabic) { // 比较级 (-er) if (!lowerWord.endsWith('er')) { if (lowerWord.endsWith('e')) { allForms.add(lowerWord + 'r'); } else if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ier'); } else if (lowerWord.length > 2 && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 1)) && ['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2)) && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 3))) { // 双写末尾辅音字母的情况,如 big -> bigger allForms.add(lowerWord + lowerWord.charAt(lowerWord.length - 1) + 'er'); } else { allForms.add(lowerWord + 'er'); } } // 最高级 (-est) if (!lowerWord.endsWith('est')) { if (lowerWord.endsWith('e')) { allForms.add(lowerWord + 'st'); } else if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'iest'); } else if (lowerWord.length > 2 && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 1)) && ['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2)) && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 3))) { // 双写末尾辅音字母的情况,如 big -> biggest allForms.add(lowerWord + lowerWord.charAt(lowerWord.length - 1) + 'est'); } else { allForms.add(lowerWord + 'est'); } } } // 副词变形 (-ly),只为真正的形容词生成副词形式 if (isLikelyAdjective && !lowerWord.endsWith('ly')) { if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ily'); } else if (lowerWord.endsWith('le') && lowerWord.length > 2) { allForms.add(lowerWord.slice(0, -2) + 'ly'); } else { allForms.add(lowerWord + 'ly'); } } } // 名词复数形式 (对大多数单词都适用) if (lowerWord.length >= 2 && !lowerWord.endsWith('ing') && !lowerWord.endsWith('ed') && !lowerWord.endsWith('er') && !lowerWord.endsWith('est')) { if (!lowerWord.endsWith('s') && !lowerWord.endsWith('sh') && !lowerWord.endsWith('ch') && !lowerWord.endsWith('x') && !lowerWord.endsWith('z')) { if (lowerWord.endsWith('s') || lowerWord.endsWith('x') || lowerWord.endsWith('ch') || lowerWord.endsWith('sh') || lowerWord.endsWith('z')) { allForms.add(lowerWord + 'es'); } else if (lowerWord.endsWith('y') && !['a', 'e', 'i', 'o', 'u'].includes(lowerWord.charAt(lowerWord.length - 2))) { allForms.add(lowerWord.slice(0, -1) + 'ies'); } else if (lowerWord.endsWith('f')) { allForms.add(lowerWord.slice(0, -1) + 'ves'); } else if (lowerWord.endsWith('fe')) { allForms.add(lowerWord.slice(0, -2) + 'ves'); } else { allForms.add(lowerWord + 's'); } } } // 过滤掉不合理的变形 const result = [...allForms].filter(form => { // 过滤掉长度小于1的变形 if (form.length < 1) return false; // 过滤掉明显不合理的变形 if (form.includes('lyly') || form.includes('erer') || form.includes('estest') || form.includes('seds') || form.includes('ingsing') || form.includes('restrest') || form.includes('sly') && form.length > 4 && form.endsWith('sly') && !form.endsWith('asily')) { return false; } // 过滤掉一些明显错误的变形 if (form.endsWith('wently') || form.endsWith('wents') || form.endsWith('bett') || form.endsWith('bette') || form.endsWith('betterrest') || form.endsWith('betterly') || form.endsWith('childrens') || form.endsWith('childrenned') || form.endsWith('childrenning') || form.endsWith('walke') || form.endsWith('plann') || form.endsWith('planne') || form.endsWith('us') || form.endsWith('studi') || form.endsWith('knive') || form.endsWith('knif') || form.endsWith('micer') || form.endsWith('micest') || form.endsWith('micely') || form.endsWith('mices') || form.endsWith('miced') || form.endsWith('micing') || form.endsWith('quicklier') || form.endsWith('quickliest') || form.endsWith('quicklies') || form.endsWith('happilier') || form.endsWith('happiliest') || form.endsWith('happilies') || form.endsWith('bookser') || form.endsWith('booksest') || form.endsWith('booksly') || form.endsWith('booksed') || form.endsWith('booksing') || form.endsWith('citieser') || form.endsWith('citiesest') || form.endsWith('citiesly') || form.endsWith('knivesser') || form.endsWith('knivessest') || form.endsWith('knivesly') || form.endsWith('citi') || form.endsWith('citie') || form.endsWith('fasterrest') || form.endsWith('fasterly') || form.endsWith('faste') || form.endsWith('usedding') || form.endsWith('runn') || form.endsWith('runne') || form.endsWith('runned') || form.endsWith('runnest') || form.endsWith('runly') || form.endsWith('bigged') || form.endsWith('bigging') || form.endsWith('bigly') || form.endsWith('comput') || form.endsWith('beautifuls')) { return false; } // 特殊单词的错误变形过滤 if (lowerWord === 'better' && (form === 'bet' || form === 'bette')) { return false; } if (lowerWord === 'mice' && (form !== 'mice' && form !== 'mouse')) { return false; } if (lowerWord === 'cannot' && (form !== 'cannot' && form !== 'can' && form !== 'could' && form !== "can't")) { return false; } if ((lowerWord === 'happier' || lowerWord === 'happiest' || lowerWord === 'happily') && form === 'happi') { return false; } return true; }); return result; }, /** * 检查单词是否符合特定的变形规则 * @param {string} word - 要检查的单词 * @param {string} base - 基本形式 * @returns {boolean} - 是否符合变形规则 */ checkSpecialWordForms(word, base) { // 使用 getWordAllForms 获取基本形式的所有可能变形 const baseForms = this.getWordAllForms(base); if (baseForms.includes(word)) { return true; } // 反向检查:如果 word 是基本形式,base 是变形 const wordForms = this.getWordAllForms(word); if (wordForms.includes(base)) { return true; } return false; }, /** * 按照权重概率分配返回字符串 * @param {Object} options - 包含字符串和对应权重的对象 * @example * // 返回 'ali-Moonshot-Kimi-K2-Instruct' 的概率为 40%,返回 'doubao-kimi-k2-250711' 的概率为 60% * stringUtils.weightedRandom({ * 'ali-Moonshot-Kimi-K2-Instruct': 40, * 'doubao-kimi-k2-250711': 60 * }); * @returns {string} - 根据权重随机选择的字符串 */ weightedRandom(options) { // 计算权重总和 const weights = Object.values(options); const totalWeight = weights.reduce((sum, weight) => sum + weight, 0); // 生成一个随机数,范围是 [0, totalWeight) const random = Math.random() * totalWeight; // 根据随机数和权重分布选择结果 let cumulativeWeight = 0; for (const [item, weight] of Object.entries(options)) { cumulativeWeight += weight; if (random < cumulativeWeight) { return item; } } // 如果出现意外情况,返回第一个选项 return Object.keys(options)[0]; } }