466 lines
15 KiB
JavaScript
466 lines
15 KiB
JavaScript
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const fs = require('node:fs');
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const POLICY_LABELS = [
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'商业险保单号',
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'保险单号',
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'保险单号码',
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'电子保单号',
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'保单号',
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'保险合同号',
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'合同号',
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];
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const VIN_LABELS = ['车辆识别代号', '车辆识别代码', '车架号', 'VIN码', 'VIN', '识别代码'];
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const USAGE_NATURE_LABELS = ['使用性质', '车辆使用性质', '使用方式', '使用用途', '车辆用途'];
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const USAGE_NATURE_VALUES = [
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'家庭自用汽车',
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'家庭自用',
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'非营业个人',
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'非营业',
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'非营运',
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'企业非营业',
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'党政机关事业团体非营业',
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'预约出租客运',
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'网约车',
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'出租',
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'租赁',
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'客运',
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'货运',
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'营业',
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'营运',
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];
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const INSURANCE_PERIOD_LABELS = [
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'保险期间',
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'保险期限',
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'保险有效期',
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'保险起期',
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'保险止期',
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'起保日期',
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'终止日期',
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'起止日期',
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'承保期间',
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];
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const NAME_LABELS = [
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{ label: '被保险人', terms: ['被保险人名称', '被保险人姓名', '被保险人'] },
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{ label: '车主', terms: ['车主姓名', '车主名称', '车主'] },
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{ label: '投保人', terms: ['投保人名称', '投保人姓名', '投保人'] },
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];
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const COVERAGE_TERMS = ['机动车损失保险', '车辆损失保险', '车损险'];
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function toHalfWidth(text) {
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return String(text || '')
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.normalize('NFKC')
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.replace(/\u3000/g, ' ')
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.replace(/[：﹕]/g, ':')
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.replace(/[，、；;]/g, ' ')
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.replace(/[（(].*?[）)]/g, match => match);
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}
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function normalizeToken(value) {
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return String(value || '')
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.normalize('NFKC')
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.replace(/[^A-Za-z0-9-]/g, '')
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.toUpperCase();
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}
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function compactText(value) {
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return String(value || '').normalize('NFKC').replace(/\s+/g, '').toUpperCase();
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}
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function normalizeName(value) {
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return String(value || '').normalize('NFKC').replace(/\s+/g, '').trim();
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}
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function normalizeDate(year, month, day) {
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return [
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String(year).padStart(4, '0'),
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String(month).padStart(2, '0'),
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String(day).padStart(2, '0'),
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].join('-');
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}
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function readInputText(input) {
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if (typeof input.rawText === 'string' && input.rawText.trim()) return input.rawText;
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if (Array.isArray(input.lines)) return input.lines.filter(Boolean).join('\n');
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return '';
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}
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function linesFromText(text) {
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return toHalfWidth(text)
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.split(/\r?\n+/)
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.map(line => line.trim())
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.filter(Boolean);
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}
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function hasAnyLabel(line, labels) {
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return labels.some(label => line.includes(label));
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}
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function extractCandidates(text) {
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const result = [];
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const re = /[A-Z0-9][A-Z0-9-]{7,49}/gi;
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let match;
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while ((match = re.exec(toHalfWidth(text).toUpperCase())) !== null) {
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result.push(normalizeToken(match[0]));
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}
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return [...new Set(result)];
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}
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function isVin(value) {
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const token = normalizeToken(value).replace(/-/g, '');
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return /^[A-HJ-NPR-Z0-9]{17}$/.test(token);
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}
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function isIdCard(value) {
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return /^\d{17}[\dX]$/i.test(String(value || '').trim());
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}
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function isDateLike(value) {
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return /^\d{4}[-/.]\d{1,2}[-/.]\d{1,2}$/.test(String(value || ''));
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}
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function isValidPolicyNo(value, options = {}) {
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const token = normalizeToken(value);
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if (token.length < 8 || token.length > 50) return false;
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if (!/^[A-Z0-9-]+$/.test(token)) return false;
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const expectedVin = normalizeToken(options.expectedVin).replace(/-/g, '');
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if (isVin(token.replace(/-/g, ''))) {
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if (!options.allowVinShape || token.replace(/-/g, '') === expectedVin) return false;
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}
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if (isIdCard(token) || isDateLike(token)) return false;
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const digits = (token.match(/\d/g) || []).length;
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const letters = (token.match(/[A-Z]/g) || []).length;
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if (digits < 4) return false;
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if (letters === 0 && token.length === 11) return false;
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return letters > 0 || token.length >= 12;
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}
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function scorePolicyNo(value) {
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const token = normalizeToken(value);
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let score = token.length;
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if (/[A-Z]/.test(token)) score += 8;
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if (/\d/.test(token)) score += 4;
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if (token.includes('-')) score -= 2;
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if (/^P[A-Z0-9]/.test(token)) score += 3;
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return score;
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}
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function bestPolicyCandidate(candidates, expectedPolicyNo, options = {}) {
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const expected = normalizeToken(expectedPolicyNo);
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if (expected) {
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const exact = candidates.map(normalizeToken).find(item => item === expected);
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if (exact) return exact;
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}
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const valid = candidates
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.map(normalizeToken)
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.filter(item => isValidPolicyNo(item, options));
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if (!valid.length) return '';
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return valid.sort((a, b) => scorePolicyNo(b) - scorePolicyNo(a))[0] || '';
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}
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function extractPolicyNo(lines, fullText, expectedPolicyNo, expectedVin) {
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for (let i = 0; i < lines.length; i += 1) {
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if (!hasAnyLabel(lines[i], POLICY_LABELS)) continue;
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const windowText = [lines[i], lines[i + 1] || '', lines[i + 2] || ''].join(' ');
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const candidate = bestPolicyCandidate(extractCandidates(windowText), expectedPolicyNo, {
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allowVinShape: true,
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expectedVin,
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});
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if (candidate) return candidate;
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}
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return bestPolicyCandidate(extractCandidates(fullText), expectedPolicyNo, { expectedVin });
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}
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function extractVin(lines, fullText, expectedVin) {
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const expected = normalizeToken(expectedVin).replace(/-/g, '');
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if (expected && isVin(expected) && compactText(fullText).includes(expected)) return expected;
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for (let i = 0; i < lines.length; i += 1) {
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if (!hasAnyLabel(lines[i], VIN_LABELS)) continue;
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const windowText = [lines[i], lines[i + 1] || ''].join(' ');
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const candidate = extractCandidates(windowText)
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.map(item => item.replace(/-/g, ''))
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.find(isVin);
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if (candidate) return candidate;
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}
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return extractCandidates(fullText)
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.map(item => item.replace(/-/g, ''))
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.find(isVin) || '';
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}
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function cleanNameText(text) {
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return String(text || '')
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.replace(/^(名称|姓名|客户名称|客户姓名)[:：]?/, '')
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.split(/(?:证件|身份证|统一社会信用|地址|电话|手机|车架|车辆|号牌|保单|保险|发动机|VIN|使用性质|车辆使用性质|使用方式|使用用途|保险期间|保险期限|保险有效期|起保|终止|承保)/)[0]
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.replace(/[0-9A-Za-z_*xX:：/\\-]/g, ' ')
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.trim();
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}
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function findNamesInText(text) {
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const cleaned = cleanNameText(text);
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const blacklist = new Set([
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'被保险人',
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'投保人',
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'车主姓名',
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'车主名称',
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'车主',
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'姓名',
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'名称',
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'机动车',
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'商业险',
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'保险单',
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'保险人',
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'使用性质',
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'家庭自用汽车',
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'有限公司',
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]);
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const names = [];
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const re = /[\u4e00-\u9fa5·]{2,12}/g;
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let match;
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while ((match = re.exec(cleaned)) !== null) {
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const name = normalizeName(match[0]);
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if (!blacklist.has(name) && !name.includes('保险') && !name.includes('地址')) {
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names.push(name);
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}
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}
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return names;
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}
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function addNameCandidate(candidates, label, name) {
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const normalized = normalizeName(name);
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if (!normalized) return;
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if (candidates.some(item => item.label === label && item.name === normalized)) return;
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if (candidates.some(item => item.name === normalized)) {
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const existing = candidates.find(item => item.name === normalized);
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if (existing && !existing.label.includes(label)) existing.label = `${existing.label}/${label}`;
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return;
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}
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candidates.push({ label, name: normalized });
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}
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function extractNameCandidates(lines, fullText, expectedOwnerName) {
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const candidates = [];
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const compact = compactText(fullText);
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const expected = normalizeName(expectedOwnerName);
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if (expected && compact.includes(compactText(expected))) {
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addNameCandidate(candidates, '全文匹配', expected);
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}
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for (let i = 0; i < lines.length; i += 1) {
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for (const group of NAME_LABELS) {
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const term = group.terms.find(item => lines[i].includes(item));
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if (!term) continue;
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const sameLineTail = lines[i].slice(lines[i].indexOf(term) + term.length).replace(/^[:：\s]+/, '');
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const windowTexts = [sameLineTail, lines[i + 1] || ''];
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for (const text of windowTexts) {
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for (const name of findNamesInText(text)) {
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addNameCandidate(candidates, group.label, name);
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}
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}
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}
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}
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return candidates.slice(0, 8);
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}
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function extractCertificate(fullText) {
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const normalized = toHalfWidth(fullText).replace(/\s+/g, '');
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const full = normalized.match(/\d{17}[\dXx]/);
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if (full) return { certificateNo: full[0].toUpperCase(), certificateNoMasked: false };
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const masked = normalized.match(/(?:\d{2,8})[*Xx]{4,14}(?:\d{2,6})|[*Xx]{6,16}(?:\d{2,6})/);
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if (masked) return { certificateNo: masked[0].toUpperCase(), certificateNoMasked: true };
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return { certificateNo: '', certificateNoMasked: false };
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}
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function extractPlateNo(lines, fullText) {
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const plateRe = /[\u4e00-\u9fa5][A-Z][A-Z0-9]{5,7}/g;
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for (const line of lines) {
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if (!/(车牌|号牌|牌照|牌号)/.test(line)) continue;
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const match = toHalfWidth(line).toUpperCase().match(plateRe);
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if (match) return match[0];
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}
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const match = toHalfWidth(fullText).toUpperCase().match(plateRe);
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return match ? match[0] : '';
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}
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function extractEngineNo(lines) {
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for (let i = 0; i < lines.length; i += 1) {
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if (!/(发动机号|发动机号码|发动机编号)/.test(lines[i])) continue;
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const windowText = [lines[i], lines[i + 1] || ''].join(' ');
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const candidates = extractCandidates(windowText).filter(item => !isVin(item) && !isValidPolicyNo(item));
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const candidate = candidates.find(item => item.length >= 5 && item.length <= 24);
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if (candidate) return candidate;
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}
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return '';
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}
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function extractDateCandidatesFromText(text) {
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const dates = [];
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const re = /(\d{4})[年\-/.](\d{1,2})[月\-/.](\d{1,2})日?/g;
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let match;
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while ((match = re.exec(toHalfWidth(text))) !== null) {
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const date = normalizeDate(match[1], match[2], match[3]);
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if (!dates.includes(date)) dates.push(date);
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}
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return dates;
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}
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function extractLabelTail(line, labels) {
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const matchedLabel = labels.find(label => line.includes(label));
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if (!matchedLabel) return '';
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return line.slice(line.indexOf(matchedLabel) + matchedLabel.length).replace(/^[:：\s]+/, '').trim();
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}
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function extractUsageNatureFromText(text) {
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const normalized = toHalfWidth(text).replace(/\s+/g, '');
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for (const value of USAGE_NATURE_VALUES) {
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if (normalized.includes(value)) return value;
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}
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return '';
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}
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function extractUsageNature(lines, fullText) {
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for (let i = 0; i < lines.length; i += 1) {
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|||
|
|
if (!hasAnyLabel(lines[i], USAGE_NATURE_LABELS)) continue;
|
|||
|
|
const windowText = [extractLabelTail(lines[i], USAGE_NATURE_LABELS), lines[i + 1] || ''].join(' ');
|
|||
|
|
const value = extractUsageNatureFromText(windowText);
|
|||
|
|
if (value) return value;
|
|||
|
|
}
|
|||
|
|
return extractUsageNatureFromText(fullText);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function extractDates(lines, fullText) {
|
|||
|
|
for (let i = 0; i < lines.length; i += 1) {
|
|||
|
|
if (!hasAnyLabel(lines[i], INSURANCE_PERIOD_LABELS)) continue;
|
|||
|
|
const windowText = [extractLabelTail(lines[i], INSURANCE_PERIOD_LABELS), lines[i + 1] || ''].join(' ');
|
|||
|
|
const dates = extractDateCandidatesFromText(windowText);
|
|||
|
|
if (dates.length >= 2) return { startDate: dates[0], endDate: dates[1] };
|
|||
|
|
if (dates.length === 1) {
|
|||
|
|
const nextDates = extractDateCandidatesFromText(lines[i + 1] || '');
|
|||
|
|
if (nextDates.length) return { startDate: dates[0], endDate: nextDates[0] };
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const dates = extractDateCandidatesFromText(fullText);
|
|||
|
|
return { startDate: dates[0] || '', endDate: dates[1] || '' };
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function extractCoverage(fullText) {
|
|||
|
|
const compact = String(fullText || '').replace(/\s+/g, '');
|
|||
|
|
const evidence = COVERAGE_TERMS.filter(term => compact.includes(term));
|
|||
|
|
return {
|
|||
|
|
hasVehicleDamageCoverage: evidence.length > 0,
|
|||
|
|
coverageEvidence: evidence,
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function buildWarnings({ input, output }) {
|
|||
|
|
const warnings = [];
|
|||
|
|
if (!output.policyNo) warnings.push('未识别到商业险保单号');
|
|||
|
|
if (!output.vin) warnings.push('未识别到车架号VIN');
|
|||
|
|
if (!output.nameCandidates.length) warnings.push('未识别到被保险人/车主/投保人姓名');
|
|||
|
|
if (!output.usageNature) warnings.push('未识别到使用性质');
|
|||
|
|
if (!output.startDate || !output.endDate) warnings.push('未识别到保险期间');
|
|||
|
|
if (!output.hasVehicleDamageCoverage) warnings.push('未识别到车损险险种证据');
|
|||
|
|
|
|||
|
|
const expectedPolicyNo = normalizeToken(input.expectedPolicyNo);
|
|||
|
|
if (expectedPolicyNo && output.policyNo && expectedPolicyNo !== output.policyNo) {
|
|||
|
|
warnings.push('OCR保单号与订单已填商业险保单号不一致');
|
|||
|
|
}
|
|||
|
|
const expectedVin = normalizeToken(input.expectedVin).replace(/-/g, '');
|
|||
|
|
if (expectedVin && output.vin && expectedVin !== output.vin) {
|
|||
|
|
warnings.push('OCR车架号VIN与订单VIN不一致');
|
|||
|
|
}
|
|||
|
|
const expectedOwnerName = normalizeName(input.expectedOwnerName);
|
|||
|
|
if (expectedOwnerName && output.nameCandidates.length) {
|
|||
|
|
const matched = output.nameCandidates.some(item => normalizeName(item.name) === expectedOwnerName);
|
|||
|
|
if (!matched) warnings.push('OCR姓名候选与订单车主姓名不一致');
|
|||
|
|
}
|
|||
|
|
return warnings;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function computeConfidence(output) {
|
|||
|
|
let score = 0.2;
|
|||
|
|
if (output.policyNo) score += 0.25;
|
|||
|
|
if (output.vin) score += 0.25;
|
|||
|
|
if (output.nameCandidates.length) score += 0.15;
|
|||
|
|
if (output.usageNature) score += 0.05;
|
|||
|
|
if (output.startDate && output.endDate) score += 0.05;
|
|||
|
|
if (output.hasVehicleDamageCoverage) score += 0.1;
|
|||
|
|
if (output.certificateNo) score += 0.03;
|
|||
|
|
if (output.plateNo || output.engineNo) score += 0.02;
|
|||
|
|
return Math.max(0, Math.min(0.99, Number(score.toFixed(2))));
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
function parsePolicy(input) {
|
|||
|
|
const rawText = readInputText(input);
|
|||
|
|
if (!rawText.trim()) {
|
|||
|
|
return {
|
|||
|
|
success: false,
|
|||
|
|
policyNo: '',
|
|||
|
|
vin: '',
|
|||
|
|
nameCandidates: [],
|
|||
|
|
certificateNo: '',
|
|||
|
|
certificateNoMasked: false,
|
|||
|
|
plateNo: '',
|
|||
|
|
engineNo: '',
|
|||
|
|
usageNature: '',
|
|||
|
|
startDate: '',
|
|||
|
|
endDate: '',
|
|||
|
|
hasVehicleDamageCoverage: false,
|
|||
|
|
coverageEvidence: [],
|
|||
|
|
confidence: 0,
|
|||
|
|
warnings: [input.imageUrl ? '当前脚本不直接OCR图片，请先传入rawText' : '缺少rawText或lines'],
|
|||
|
|
rawText: '',
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
const fullText = toHalfWidth(rawText);
|
|||
|
|
const lines = linesFromText(fullText);
|
|||
|
|
const certificate = extractCertificate(fullText);
|
|||
|
|
const usageNature = extractUsageNature(lines, fullText);
|
|||
|
|
const dates = extractDates(lines, fullText);
|
|||
|
|
const coverage = extractCoverage(fullText);
|
|||
|
|
const output = {
|
|||
|
|
success: true,
|
|||
|
|
policyNo: extractPolicyNo(lines, fullText, input.expectedPolicyNo, input.expectedVin),
|
|||
|
|
vin: extractVin(lines, fullText, input.expectedVin),
|
|||
|
|
nameCandidates: extractNameCandidates(lines, fullText, input.expectedOwnerName),
|
|||
|
|
...certificate,
|
|||
|
|
plateNo: extractPlateNo(lines, fullText),
|
|||
|
|
engineNo: extractEngineNo(lines),
|
|||
|
|
usageNature,
|
|||
|
|
...dates,
|
|||
|
|
...coverage,
|
|||
|
|
confidence: 0,
|
|||
|
|
warnings: [],
|
|||
|
|
rawText: fullText,
|
|||
|
|
};
|
|||
|
|
output.warnings = buildWarnings({ input, output });
|
|||
|
|
output.confidence = computeConfidence(output);
|
|||
|
|
return output;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
async function main() {
|
|||
|
|
try {
|
|||
|
|
const stdin = fs.readFileSync(0, 'utf8');
|
|||
|
|
const input = JSON.parse(stdin || '{}');
|
|||
|
|
process.stdout.write(JSON.stringify(parsePolicy(input)));
|
|||
|
|
} catch (error) {
|
|||
|
|
process.stdout.write(JSON.stringify({ success: false, error: error.message }));
|
|||
|
|
process.exitCode = 0;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (require.main === module) {
|
|||
|
|
main();
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
module.exports = {
|
|||
|
|
parsePolicy,
|
|||
|
|
extractPolicyNo,
|
|||
|
|
extractVin,
|
|||
|
|
extractNameCandidates,
|
|||
|
|
};
|