From dcbc251483c39459f837f1d642e950bc33fca8c5 Mon Sep 17 00:00:00 2001 From: wzclm <2971861643@qq.com> Date: Thu, 7 Nov 2024 14:21:20 +0800 Subject: [PATCH] =?UTF-8?q?=E5=90=8E=E7=AB=AF?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .gitignore | 1 + app.js | 26 + db/index.js | 9 + index.js | 148 + package-lock.json | 1237 +++ package.json | 21 + router/index.js | 284 + router/stb.js | 360 + 华为ICT题库提取版.txt | 18239 ++++++++++++++++++++++++++++++++++++++++ 9 files changed, 20325 insertions(+) create mode 100644 .gitignore create mode 100644 app.js create mode 100644 db/index.js create mode 100644 index.js create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 router/index.js create mode 100644 router/stb.js create mode 100644 华为ICT题库提取版.txt diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..c2658d7 --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +node_modules/ diff --git a/app.js b/app.js new file mode 100644 index 0000000..eb3233c --- /dev/null +++ b/app.js @@ -0,0 +1,26 @@ +const express = require('express') +const app = express() +const router = require('./router/index') + +const cors = require('cors') +app.use(cors()) + + +app.use(express.json()) + +app.use(express.urlencoded({ extended: false })) + +// 获取试卷列表 +app.get('/api/papers', router.getList) +// 搜索题目 +app.get('/api/topics/search', router.searchTopics) +// 上传试卷 +app.post('/api/papers/upload', router.uploadPaper) +// 获取试卷详情 +app.post('/api/paperDetail', router.getPaperDetail) +// 获取试卷题目 +app.post('/api/paperQuestions/topics', router.getPaperQuestions) + +app.listen(3000, () => { + console.log('http://localhost:3000') +}) diff --git a/db/index.js b/db/index.js new file mode 100644 index 0000000..2926729 --- /dev/null +++ b/db/index.js @@ -0,0 +1,9 @@ +const db = require('mysql2') +const pool = db.createPool({ + host: 'localhost', + user: 'sgjq', + password: '123456', + database: 'stb2' +}) + +module.exports = pool \ No newline at end of file diff --git a/index.js b/index.js new file mode 100644 index 0000000..4ca05ed --- /dev/null +++ b/index.js @@ -0,0 +1,148 @@ +const fs = require('fs'); +const mysql = require('mysql2/promise'); + +const dbConfig = { + host: 'localhost', + user: 'root', + password: '123456', + database: 'stb2' +}; + +function convertAnswerToNumber(answer, type) { + const answerMap = { + 'A': 0, 'a': 0, + 'B': 1, 'b': 1, + 'C': 2, 'c': 2, + 'D': 3, 'd': 3, + 'E': 4, 'e': 4, + 'F': 5, 'f': 5, + 'G': 6, 'g': 6, + 'H': 7, 'h': 7, + 'I': 8, 'i': 8, + 'J': 9, 'j': 9 + }; + + if (!answer) return type === 'checkbox' ? [] : 0; + + if (type === 'checkbox') { + return answer.split('').map(letter => { + if (['对', '正确', 'T', 'TRUE'].includes(letter)) return 0; + if (['错', '错误', 'F', 'FALSE'].includes(letter)) return 1; + return answerMap[letter] ?? 0; + }); + } else { + if (['对', '正确', 'T', 'TRUE'].includes(answer)) return 0; + if (['错', '错误', 'F', 'FALSE'].includes(answer)) return 1; + return answerMap[answer] ?? 0; + } +} + +function formatOption(index, value, type) { + if (!value) return `${String.fromCharCode(65 + index)}.`; + + if (type === 'radio' && value.match(/^(对|错|正确|错误|TRUE|FALSE|T|F)$/i)) { + return [`A.正确`, `B.错误`]; + } + return `${String.fromCharCode(65 + index)}.${value.trim()}`; +} + +function convertQuestionType(type) { + if (!type) return 'radio'; + if (type.includes('单选')) { + return 'radio'; + } else if (type.includes('多选')) { + return 'checkbox'; + } else if (type.includes('判断')) { + return 'radio'; + } + return 'radio'; +} + +async function insertData() { + const connection = await mysql.createConnection(dbConfig); + const content = fs.readFileSync('华为ICT题库提取版.txt', 'utf8'); + const questions = content.split('\n\n'); + + try { + await connection.beginTransaction(); + const topicIds = []; + + for(const questionBlock of questions) { + if(!questionBlock.trim()) continue; + + const lines = questionBlock.split('\n').filter(line => line.trim()); + if(lines.length < 4) continue; + + const title = lines[0].replace(/^题目\d+:/, '').trim() || '未知题目'; + const originalType = lines[1].replace('题目类型:', '').trim(); + const type = convertQuestionType(originalType); + + const optionsStartIndex = lines.findIndex(line => line === '选项:'); + const optionsEndIndex = lines.findIndex(line => line.startsWith('答案:')); + + if(optionsStartIndex === -1 || optionsEndIndex === -1) continue; + + const optionsRaw = lines.slice(optionsStartIndex + 1, optionsEndIndex) + .filter(line => line.trim()); + + let options; + if (type === 'radio' && originalType.includes('判断')) { + options = ['A.正确', 'B.错误']; + } else { + options = optionsRaw.map((line, index) => { + const [, ...valueParts] = line.split(/[A-Za-z]\.\s*/); + return formatOption(index, valueParts.join(''), type); + }).filter(Boolean); + } + + if (!options || options.length === 0) { + options = ['A.选项1']; + } + + const answerLetter = lines[optionsEndIndex]?.replace('答案:', '').trim(); + const answer = convertAnswerToNumber(answerLetter, type); + + const [topicResult] = await connection.execute( + 'INSERT INTO topics (title, type, answer, options) VALUES (?, ?, ?, ?)', + [ + title, + type, + JSON.stringify(answer), + JSON.stringify(options) + ] + ); + + topicIds.push(topicResult.insertId); + } + + if (topicIds.length === 0) { + throw new Error('No valid topics were processed'); + } + + const [paperResult] = await connection.execute( + 'INSERT INTO paper (title, description, TopicsId, date, state, userId) VALUES (?, ?, ?, NOW(), 1, ?)', + [ + '华为ICT基础软件赛道真题题库', + '2024-2025年最新华为ICT基础软件赛道真题题库-带解析版', + JSON.stringify(topicIds), + 'admin' + ] + ); + + await connection.commit(); + console.log('数据插入成功!'); + + } catch (error) { + await connection.rollback(); + console.error('数据插入失败:', error); + console.error('错误详情:', error.stack); + throw error; + } finally { + await connection.end(); + } +} + +insertData().catch(err => { + console.error('程序失败:', err); + process.exit(1); +}); diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..ca39bd6 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1237 @@ +{ + "name": "port", + "version": "1.0.0", + "lockfileVersion": 3, + "requires": true, + "packages": { + "": { + "name": "port", + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "cors": "^2.8.5", + "express": "^4.21.1", + "mammoth": "^1.8.0", + "multer": "^1.4.5-lts.1", + "mysql2": "^3.11.3", + "port": "file:", + "xlsx": "^0.18.5" + } + }, + "node_modules/@xmldom/xmldom": { + "version": "0.8.10", + "resolved": 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+const { + importQuestionsByFile +} = require('./stb') + +const sanitizeInput = { + toPositiveInt: (value, defaultValue) => { + const num = parseInt(value) + return (num > 0) ? num : defaultValue + }, + escapeSearch: (str) => { + if (!str) return '' + return str.replace(/[<>&"']/g, '') + } +} + +const storage = multer.diskStorage({ + destination: function (req, file, cb) { + cb(null, './uploads') + }, + filename: function (req, file, cb) { + cb(null, Date.now() + '-' + file.originalname) + } +}) + +// 文件类型过滤 +const fileFilter = (req, file, cb) => { + if ( + file.mimetype === 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' || // xlsx + file.mimetype === 'application/vnd.openxmlformats-officedocument.wordprocessingml.document' || // docx + file.mimetype === 'text/plain' + ) { + cb(null, true) + } else { + cb(new Error('不支持的文件类型'), false) + } +} + +const upload = multer({ + storage: storage, + fileFilter: fileFilter +}) + +// 上传试卷 +exports.uploadPaper = [ + upload.single('file'), + async (req, res) => { + try { + if (!req.file) { + return res.json({ + status: 1, + message: '请选择文件' + }) + } + + const filePath = req.file.path + await importQuestionsByFile(filePath) + fs.unlinkSync(filePath) + + res.json({ + status: 0, + message: '上传成功' + }) + + } catch (error) { + if (req.file && req.file.path) { + fs.unlinkSync(req.file.path) + } + + res.json({ + status: 1, + message: '上传失败', + error: error.message, + format: { + excel: "必须包含列:'题目', '选项A', '选项B', '选项C', '选项D', '答案'", + word: `格式示例: + 题目1:问题内容 + A. 选项A内容 + B. 选项B内容 + C. 选项C内容 + D. 选项D内容 + 答案:A + + 题目2:...`, + txt: `格式示: + ���题内容 + A. 选项A内容 + B. 选项B内容 + C. 选项C内容 + D. 选项D内容 + 答案:A + + 下一道题...` + } + }) + } + } +] + +// 获取试卷列表 +exports.getList = async (req, res) => { + try { + const [papers] = await db.promise().query('SELECT * FROM paper'); + const papersWithCount = papers.map(paper => ({ + ...paper, + topic_count: JSON.parse(paper.TopicsId || '[]').length + })); + + res.json({ success: true, data: papersWithCount }); + } catch (error) { + console.error('获取试卷列表失败:', error); + res.status(500).json({ success: false, message: '获取试卷列表失败' }); + } +} + +// 获取指定试卷的题目列表 +exports.getPaperQuestions = async (req, res) => { + try { + const { paperId, page = 1, pageSize = 10 } = req.body; + + if (!paperId) { + return res.status(400).json({ success: false, message: '无效的试卷ID' }); + } + + const sanitizedPaperId = sanitizeInput.toPositiveInt(paperId, 0); + const sanitizedPage = sanitizeInput.toPositiveInt(page, 1); + const sanitizedPageSize = sanitizeInput.toPositiveInt(pageSize, 10); + const limitedPageSize = Math.min(sanitizedPageSize, 100); + const offset = (sanitizedPage - 1) * limitedPageSize; + + const [papers] = await db.promise().query('SELECT * FROM paper WHERE id = ?', [sanitizedPaperId]); + if (papers.length === 0) { + return res.status(404).json({ success: false, message: '试卷不存在' }); + } + + const topicIds = JSON.parse(papers[0].TopicsId || '[]'); + const total = topicIds.length; + + const pagedTopicIds = topicIds.slice(offset, offset + limitedPageSize); + + if (pagedTopicIds.length === 0) { + return res.json({ + success: true, + data: { + list: [], + pagination: { + current: sanitizedPage, + pageSize: limitedPageSize, + total + } + } + }); + } + + // 查询题目详情 + const [topics] = await db.promise().query( + 'SELECT * FROM topics WHERE id IN (?)', + [pagedTopicIds] + ); + + const orderedTopics = pagedTopicIds.map(id => + topics.find(topic => topic.id === id) + ).filter(Boolean); + + res.json({ + success: true, + data: { + list: orderedTopics, + pagination: { + current: sanitizedPage, + pageSize: limitedPageSize, + total + } + } + }); + } catch (error) { + console.error('获取试卷题目失败:', error); + res.status(500).json({ success: false, message: '获取试卷题目失败' }); + } +} + +// 获取试卷详情 +exports.getPaperDetail = async (req, res) => { + try { + console.log('Received body:', req.body); + + if (!paperId) { + return res.status(400).json({ success: false, message: '无效的试卷ID' }); + } + + const sanitizedPaperId = sanitizeInput.toPositiveInt(paperId, 0); + const sanitizedPage = sanitizeInput.toPositiveInt(page, 1); + const sanitizedPageSize = sanitizeInput.toPositiveInt(pageSize, 10); + const limitedPageSize = Math.min(sanitizedPageSize, 100); + const offset = (sanitizedPage - 1) * limitedPageSize; + + const [papers] = await db.promise().query('SELECT * FROM paper WHERE id = ?', [sanitizedPaperId]); + if (papers.length === 0) { + return res.status(404).json({ success: false, message: '试卷不存在' }); + } + + const topicIds = JSON.parse(papers[0].TopicsId || '[]'); + const total = topicIds.length; + + const pagedTopicIds = topicIds.slice(offset, offset + limitedPageSize); + + let topics = []; + if (pagedTopicIds.length > 0) { + const [topicsResult] = await db.promise().query( + 'SELECT * FROM topics WHERE id IN (?)', + [pagedTopicIds] + ); + topics = pagedTopicIds.map(id => + topicsResult.find(topic => topic.id === id) + ).filter(Boolean); + } + + res.json({ + success: true, + data: { + ...papers[0], + topics: { + list: topics, + pagination: { + current: sanitizedPage, + pageSize: limitedPageSize, + total + } + } + } + }); + } catch (error) { + console.error('获取试卷详情失败:', error); + res.status(500).json({ success: false, message: '获取试卷详情失败' }); + } +} + +// 搜索题目 +exports.searchTopics = async (req, res) => { + try { + let { keyword, page = 1, pageSize = 10 } = req.query; + + keyword = sanitizeInput.escapeSearch(keyword); + if (!keyword) { + return res.status(400).json({ success: false, message: '请提供有效的搜索关键词' }); + } + + page = sanitizeInput.toPositiveInt(page, 1); + pageSize = Math.min(sanitizeInput.toPositiveInt(pageSize, 10), 100); + const offset = (page - 1) * pageSize; + + const [countResult] = await db.promise().query( + 'SELECT COUNT(*) as total FROM topics WHERE title LIKE ?', + [`%${keyword}%`] + ); + const total = countResult[0].total; + + const [topics] = await db.promise().query( + `SELECT t.*, + (SELECT title FROM paper WHERE JSON_CONTAINS(TopicsId, CAST(t.id AS JSON))) as paper_title + FROM topics t + WHERE t.title LIKE ? + LIMIT ?, ?`, + [`%${keyword}%`, offset, pageSize] + ); + + res.json({ + success: true, + data: { + list: topics, + pagination: { + current: page, + pageSize, + total + } + } + }); + } catch (error) { + console.error('搜索题目失败:', error); + res.status(500).json({ success: false, message: '搜索题目失败' }); + } +} \ No newline at end of file diff --git a/router/stb.js b/router/stb.js new file mode 100644 index 0000000..0bfc00e --- /dev/null +++ b/router/stb.js @@ -0,0 +1,360 @@ +const fs = require('fs'); +const xlsx = require('xlsx'); +const mammoth = require('mammoth'); +const db = require('../db/index'); + +// 答案转换函数 +function convertAnswer(answer, type) { + answer = answer.replace(/\s/g, ''); + // 如果是多选题 + if (type === 'checkbox') { + let answers; + if (answer.includes(',')) { + answers = answer.split(','); + } else { + answers = answer.split(''); + } + + return answers + .map(a => convertSingleAnswer(a)) + .filter(a => a !== null) + .sort((a, b) => Number(a) - Number(b)) + .join(','); + } + // 单选题直接转换 + return convertSingleAnswer(answer); +} + +// 单个答案转换 +function convertSingleAnswer(answer) { + const letterMap = { + 'A': '0', + 'B': '1', + 'C': '2', + 'D': '3', + 'E': '4', + 'F': '5' + }; + const numberMap = { + '一': '0', + '二': '1', + '三': '2', + '四': '3', + '五': '4', + '六': '5' + }; + // 检查字母映射 + if (letterMap[answer.toUpperCase()]) { + return letterMap[answer.toUpperCase()]; + } + // 检查数字文字映射 + if (numberMap[answer]) { + return numberMap[answer]; + } + + return answer; +} + +// 导入JSON题库 +async function importJsonQuestions(jsonFilePath) { + try { + const content = fs.readFileSync(jsonFilePath, 'utf8'); + const paperData = JSON.parse(content); + await importQuestions(paperData); + } catch (error) { + console.error('导入失败:', error); + } +} + +// 处理Excel文件 +async function importExcelQuestions(excelFilePath) { + try { + const workbook = xlsx.readFile(excelFilePath); + const sheetName = workbook.SheetNames[0]; + const worksheet = workbook.Sheets[sheetName]; + const data = xlsx.utils.sheet_to_json(worksheet); + + const paperData = { + title: '从Excel导入的试卷', + description: '从Excel文件导入的试题', + topics: data.map(row => ({ + title: row.title || row['题目'], + type: row.type || row['类型'] || 'radio', + options: [ + `A:${row.A || row['选项A']}`, + `B:${row.B || row['选项B']}`, + `C:${row.C || row['选项C']}`, + `D:${row.D || row['选项D']}` + ], + answer: row.answer || row['答案'] + })) + }; + + await importQuestions(paperData); + } catch (error) { + console.error('Excel导入失败:', error); + } +} + +// 处理Word文件 +async function importWordQuestions(wordFilePath) { + try { + const result = await mammoth.extractRawText({ path: wordFilePath }); + const text = result.value; + const questions = text.split('\n\n').filter(q => q.trim()); + + const paperData = { + title: '从Word导入的试卷', + description: '从Word文件导入的试题', + topics: questions.map(q => { + const lines = q.split('\n'); + return { + title: lines[0].replace(/^\d+[\.、]?\s*/, ''), + type: lines[0].includes('多选') ? 'checkbox' : 'radio', + options: lines.slice(1, -1).map((opt, idx) => + `${String.fromCharCode(65 + idx)}:${opt.replace(/^[A-Z][\.、]?\s*/, '')}` + ), + answer: lines[lines.length - 1].replace(/^答案[::]\s*/, '') + }; + }) + }; + + await importQuestions(paperData); + } catch (error) { + console.error('Word导入失败:', error); + } +} + +// 处理txt文件 +async function importTxtQuestions(txtFilePath) { + try { + const content = fs.readFileSync(txtFilePath, 'utf8'); + const questions = content.split('-------------------\n\n'); + + const paperData = { + title: '从TXT导入的试卷', + description: '从文本文件导入的试题', + topics: questions.map(q => { + const titleMatch = q.match(/题目:(.*?)\n/); + const typeMatch = q.match(/类型:(.*?)\n/); + const optionsMatch = q.match(/选项:\n(.*?)\n答案:/s); + const answerMatch = q.match(/答案:(.*?)(\n|$)/); + + if (!titleMatch || !typeMatch || !optionsMatch || !answerMatch) return null; + + return { + title: titleMatch[1], + type: typeMatch[1].includes('多选') ? 'checkbox' : 'radio', + options: optionsMatch[1].split('\n') + .filter(opt => opt.trim()) + .map(opt => { + const [key, value] = opt.split('.'); + return `${key.trim()}:${value ? value.trim() : ''}`; + }), + answer: answerMatch[1] + }; + }).filter(Boolean) + }; + + await importQuestions(paperData); + } catch (error) { + console.error('TXT导入失败:', error); + } +} + +// 通用导入函数 +async function importQuestions(paperData) { + const connection = await db.promise(); + + try { + await connection.beginTransaction(); + const topicsIds = []; + for (const topic of paperData.topics) { + const convertedAnswer = convertAnswer(topic.answer, topic.type); + const [result] = await connection.execute( + 'INSERT INTO topics (title, type, options, answer) VALUES (?, ?, ?, ?)', + [ + topic.title, + topic.type, + JSON.stringify(topic.options), + convertedAnswer + ] + ); + topicsIds.push(result.insertId); + } + + await connection.execute( + 'INSERT INTO paper (title, description, TopicsId, date, state, userId) VALUES (?, ?, ?, ?, ?, ?)', + [ + paperData.title, + paperData.description, + JSON.stringify(topicsIds), + new Date(), + 1, + 'admin' + ] + ); + + await connection.commit(); + console.log('题库导入成功'); + + } catch (error) { + await connection.rollback(); + throw error; + } +} + +const securityCheck = { + // 允许的文件类型 + allowedTypes: { + 'xlsx': 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet', + 'xls': 'application/vnd.ms-excel', + 'docx': 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', + 'doc': 'application/msword', + 'txt': 'text/plain' + }, + + // 文件大小限制(10MB) + maxFileSize: 10 * 1024 * 1024, + + checkFileType(filePath) { + const ext = filePath.toLowerCase().split('.').pop(); + if (!this.allowedTypes[ext]) { + throw new Error('不支持的文件类型'); + } + return ext; + }, + + checkFileSize(filePath) { + const stats = fs.statSync(filePath); + if (stats.size > this.maxFileSize) { + throw new Error('文件大小超过限制'); + } + }, + + // 检查文件内容 + async checkFileContent(filePath, ext) { + const buffer = Buffer.alloc(8); + const fd = await fs.promises.open(filePath, 'r'); + await fd.read(buffer, 0, 8, 0); + await fd.close(); + + // 文件头签名 + const signatures = { + 'xlsx': Buffer.from([0x50, 0x4B, 0x03, 0x04]), + 'docx': Buffer.from([0x50, 0x4B, 0x03, 0x04]), + 'txt': Buffer.from([0xEF, 0xBB, 0xBF]) + }; + + // 检查文件头 + if (signatures[ext] && !buffer.includes(signatures[ext])) { + throw new Error('文件格式不正确'); + } + + // 检查文件内容是否包含可疑代码 + const content = await fs.promises.readFile(filePath, 'utf8'); + const suspiciousPatterns = [ + /