347 lines
12 KiB
JavaScript
347 lines
12 KiB
JavaScript
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// 使用Intl.Segmenter对中文文本进行分词
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function segmentText(text) {
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const segmenter = new Intl.Segmenter('zh-Hans', {
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granularity: 'word'
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}); // 使用中文简体语言
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const segments = [];
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for (let segment of segmenter.segment(text.toLowerCase())) { // 转为小写后进行分词
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segments.push(segment.segment);
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}
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return segments;
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}
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// 语气 停用次
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const stopWords = ['的', '了', '啊', '哦', '/', '、', ' ', '', '-', '（', '）', '(', ')', '+', "=", "~", "!", "<", ">", "?",
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"[", "]", "{", "}"
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]
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function cleanKeywords(arr) {
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return arr.filter(word => word && !stopWords.includes(word))
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}
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function calculateMatchScore(source, target) {
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const sourceSet = new Set(cleanKeywords(source))
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const targetSet = new Set(cleanKeywords(target))
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let matchCount = 0
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for (let word of sourceSet) {
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if (targetSet.has(word)) {
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matchCount++
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}
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}
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// 匹配度 = source中匹配到的词 / source总词数
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return matchCount / sourceSet.size
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}
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class CsimilarityJobs {
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config = {
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thresholdVal: 0.69,
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titleSimilarityWeight: 0.4,
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salaryMatchWeight: 0.2,
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areaMatchWeight: 0.2,
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educationMatchWeight: 0.2,
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experiencenMatchWeight: 0.1
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}
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userTitle = ['Java', 'C', '全栈工程师'];
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userSalaryMin = 10000;
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userSalaryMax = 15000;
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userArea = 0; // 用户指定的区域（例如：市南区）
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userEducation = 4; // 用户学历（假设4为本科）
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userExperience = 2; // 用户工作经验
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jobTitle = '';
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jobMinSalary = 10000
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jobMaxSalary = 15000
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jobLocationAreaCode = 0
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jobEducation = 4
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jobExperience = 2
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jobCategory = ''
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// 系统
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log = false
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constructor() {}
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setUserInfo(resume) {
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this.userTitle = resume.jobTitle
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this.userSalaryMax = Number(resume.salaryMax)
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this.userSalaryMin = Number(resume.salaryMin)
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this.userArea = Number(resume.area)
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this.userEducation = resume.education
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this.userExperience = this.getUserExperience(Number(resume.age))
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}
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setJobInfo(jobInfo) {
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this.jobTitle = jobInfo.jobTitle;
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this.jobMinSalary = jobInfo.minSalary
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this.jobMaxSalary = jobInfo.maxSalary
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this.jobLocationAreaCode = jobInfo.jobLocationAreaCode
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this.jobEducation = jobInfo.education
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this.jobExperience = jobInfo.experience
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this.jobCategory = jobInfo.jobCategory
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}
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calculationMatchingDegreeJob(resume) {
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// 计算职位标题相似度
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// const titleSimilarity = stringSimilarity.compareTwoStrings(this.userTitle, job.jobTitle);
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let jobT = null
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if (this.jobCategory) {
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jobT = this.calculateBestJobCategoryMatch(resume.jobTitle || resume.jobTitleString || [], this
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.jobCategory);
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} else {
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jobT = this.calculateBestJobMatch(resume.jobTitle || resume.jobTitleString || [], this.jobTitle);
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}
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const {
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bestMatchJobTitle,
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maxSimilarity
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} = jobT
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// 计算薪资匹配度
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const salaryMatch = this.calculateSalaryMatch(Number(resume.salaryMin), Number(resume.salaryMax),
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this
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.jobMinSalary, this.jobMaxSalary);
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// 计算区域匹配度
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const areaMatch = this.calculateAreaMatch(Number(resume.area), this.jobLocationAreaCode);
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// 计算学历匹配度
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const educationMatch = this.calculateEducationMatch(resume.education, this.jobEducation);
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// 计算工作经验匹配度
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// const experiencenMatch = this.calculateExperienceMatch2(this.userExperience, job.experience);
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// 综合匹配度 = 0.4 * 职位相似度 + 0.2 * 薪资匹配度 + 0.1 * 区域匹配度 + 0.2 * 学历匹配度 + 0.1 * 工作经验匹配度
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const overallMatch = this.config.titleSimilarityWeight * maxSimilarity +
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this.config.salaryMatchWeight * salaryMatch + this.config.areaMatchWeight * areaMatch +
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this.config.educationMatchWeight * educationMatch
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// console.log(`Job ${job.jobTitle}工作经验匹配度: ${experiencenMatch}`);
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if (this.log) {
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console.log(
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`Job ${job.jobTitle} 标题相似度 ${maxSimilarity} 薪资匹配度: ${salaryMatch}学历匹配度: ${educationMatch} 区域匹配度: ${areaMatch} 综合匹配度: ${overallMatch.toFixed(2)}`
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);
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}
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// 设置阈值进行岗位匹配判断
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const threshold = this.config.thresholdVal;
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return {
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overallMatch: (overallMatch.toFixed(2) * 100) + '%',
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data: resume,
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maxSimilarity,
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salaryMatch,
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educationMatch,
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areaMatch
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}
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}
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calculationMatchingDegree(job) {
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// 计算职位标题相似度
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// console.log(this.userTitle, job.jobTitle)
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// const titleSimilarity = stringSimilarity.compareTwoStrings(this.userTitle, job.jobTitle);
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let jobT = null
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if (job.jobCategory) {
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jobT = this.calculateBestJobCategoryMatch(this.userTitle, job.jobCategory);
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} else {
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jobT = this.calculateBestJobMatch(this.userTitle, job.jobTitle);
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}
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const {
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bestMatchJobTitle,
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maxSimilarity
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} = jobT
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// 计算薪资匹配度
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const salaryMatch = this.calculateSalaryMatch(this.userSalaryMin, this.userSalaryMax, job.minSalary,
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job
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.maxSalary);
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// 计算区域匹配度
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const areaMatch = this.calculateAreaMatch(this.userArea, job.jobLocationAreaCode);
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// 计算学历匹配度
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const educationMatch = this.calculateEducationMatch(this.userEducation, job.education);
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// 计算工作经验匹配度
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// const experiencenMatch = this.calculateExperienceMatch2(this.userExperience, job.experience);
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// 综合匹配度 = 0.4 * 职位相似度 + 0.2 * 薪资匹配度 + 0.1 * 区域匹配度 + 0.2 * 学历匹配度 + 0.1 * 工作经验匹配度
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const overallMatch = this.config.titleSimilarityWeight * maxSimilarity +
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this.config.salaryMatchWeight * salaryMatch + this.config.areaMatchWeight * areaMatch +
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this.config.educationMatchWeight * educationMatch
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// console.log(`Job ${job.jobTitle}工作经验匹配度: ${experiencenMatch}`);
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if (this.log) {
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console.log(
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`Job ${job.jobTitle} 标题相似度 ${maxSimilarity} 薪资匹配度: ${salaryMatch}学历匹配度: ${educationMatch} 区域匹配度: ${areaMatch} 综合匹配度: ${overallMatch.toFixed(2)}`
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);
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}
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// 设置阈值进行岗位匹配判断
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const threshold = this.config.thresholdVal;
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if (overallMatch > threshold) {
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return {
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overallMatch: (overallMatch.toFixed(2) * 100) + '%',
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data: job,
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maxSimilarity,
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salaryMatch,
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educationMatch,
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areaMatch
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}
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}
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}
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// 根据用户年龄推算工作经验年限区间
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getUserExperience(age) {
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if (age = 0) { // 30以下
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return {
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min: 0,
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max: 5
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};
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} else if (age <= 1) { // 40以下
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return {
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min: 5,
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max: 10
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};
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} else if (age <= 2) { // 50以下
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return {
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min: 10,
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max: 20
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};
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} else { // 50以上
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return {
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min: 20,
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max: 40
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};
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}
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}
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// 计算经验匹配度
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calculateExperienceMatch2(userExperience, jobExperience) {
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const jobExperienceRange = this.mapJobExperience(jobExperience);
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if (userExperience.min <= jobExperienceRange.max && userExperience.max >= jobExperienceRange.min) {
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return 1;
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}
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if (
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(userExperience.min <= jobExperienceRange.max && userExperience.max > jobExperienceRange.min) ||
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(userExperience.max >= jobExperienceRange.min && userExperience.min < jobExperienceRange.max)
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) {
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return 0.5; // 部分匹配
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}
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return 0; // 不匹配
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}
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// 映射岗位经验要求到工作经验年限区间
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mapJobExperience(jobExperience) {
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const experienceMapping = {
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"1": {
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min: 0,
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max: 0
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},
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"2": {
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min: 0,
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max: 1
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},
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"3": {
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min: 0,
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max: 1
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},
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"4": {
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min: 1,
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max: 3
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},
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"5": {
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min: 3,
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max: 5
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},
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"6": {
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min: 5,
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max: 10
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},
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"7": {
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min: 10,
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max: 20
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},
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"8": {
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min: 0,
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max: 40
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}
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};
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return experienceMapping[jobExperience];
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}
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// 计算工作经验匹配度
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calculateExperiencenMatch(userExperience, jobExperience) {
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if (userExperience === jobExperience) {
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return 1;
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} else if (userExperience > jobExperience) {
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return 0.75;
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} else {
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return 0;
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}
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}
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calculateSalaryMatch(userMin, userMax, jobMin, jobMax) {
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const isMinMatch = userMin >= jobMin && userMin <= jobMax;
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const isMaxMatch = userMax >= jobMin && userMax <= jobMax;
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if (isMinMatch || isMaxMatch) {
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return 1;
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}
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const minDifference = Math.abs(userMin - jobMin);
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const maxDifference = Math.abs(userMax - jobMax);
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if (minDifference > 3000 && maxDifference > 3000) {
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return 0;
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}
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return 0.5; // 部分匹配
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}
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// 计算区域匹配度
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calculateAreaMatch(userArea, jobArea) {
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return userArea === jobArea ? 1 : 0.5;
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}
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calculateBestJobCategoryMatch(userJobTitles, jobTitle) {
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let maxSimilarity = 0;
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let bestMatchJobTitle = '';
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for (let i = 0; i < userJobTitles.length; i++) {
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let userTitle = userJobTitles[i];
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if (userTitle === jobTitle) {
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maxSimilarity = 1;
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bestMatchJobTitle = userTitle;
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break
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}
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}
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return {
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bestMatchJobTitle,
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maxSimilarity
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};
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}
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// 计算职位匹配度
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calculateBestJobMatch(userJobTitles, jobTitle) {
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let maxSimilarity = 0;
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let bestMatchJobTitle = '';
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userJobTitles.forEach((userTitle) => {
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const userSegments = segmentText(userTitle);
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const jobSegments = segmentText(jobTitle);
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// 比较分词的交集，计算匹配度
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// const intersection = userSegments.filter(segment => jobSegments.includes(segment));
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// const similarity = intersection.length / userSegments.length; // 计算匹配度
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// 计算匹配度
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const similarity = calculateMatchScore(userSegments, jobSegments)
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// 记录匹配度最高的职位
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if (similarity > maxSimilarity) {
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maxSimilarity = similarity;
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bestMatchJobTitle = userTitle;
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}
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});
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return {
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bestMatchJobTitle,
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maxSimilarity
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};
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}
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// 计算学历匹配度
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calculateEducationMatch(userEducation, jobEducation) {
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if (userEducation === jobEducation) {
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return 1;
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} else if (userEducation > jobEducation) {
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return 1;
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} else {
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return 0;
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}
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}
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}
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const similarityJobs = new CsimilarityJobs()
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export default similarityJobs
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