第一版提交，答题功能OK，题库管理待完善
This commit is contained in:
324
api/controllers/questionController.ts
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324
api/controllers/questionController.ts
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import { Request, Response } from 'express';
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import { QuestionModel, CreateQuestionData, ExcelQuestionData } from '../models';
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import * as XLSX from 'xlsx';
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export class QuestionController {
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// 获取题目列表
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static async getQuestions(req: Request, res: Response) {
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try {
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const { type, category, keyword, startDate, endDate, page = 1, limit = 10 } = req.query;
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const result = await QuestionModel.findAll({
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type: type as string,
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category: category as string,
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keyword: keyword as string,
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startDate: startDate as string,
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endDate: endDate as string,
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limit: parseInt(limit as string),
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offset: (parseInt(page as string) - 1) * parseInt(limit as string)
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});
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res.json({
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success: true,
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data: result.questions,
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pagination: {
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page: parseInt(page as string),
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limit: parseInt(limit as string),
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total: result.total,
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pages: Math.ceil(result.total / parseInt(limit as string))
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}
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});
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} catch (error: any) {
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console.error('获取题目列表失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || '获取题目列表失败'
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});
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}
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}
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// 获取单个题目
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static async getQuestion(req: Request, res: Response) {
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try {
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const { id } = req.params;
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const question = await QuestionModel.findById(id);
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if (!question) {
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return res.status(404).json({
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success: false,
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message: '题目不存在'
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});
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}
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res.json({
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success: true,
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data: question
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});
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} catch (error: any) {
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console.error('获取题目失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || '获取题目失败'
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});
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}
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}
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// 创建题目
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static async createQuestion(req: Request, res: Response) {
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try {
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const { content, type, category, options, answer, score } = req.body;
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const questionData: CreateQuestionData = {
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content,
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type,
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category,
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options,
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answer,
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score
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};
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// 验证题目数据
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const errors = QuestionModel.validateQuestionData(questionData);
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if (errors.length > 0) {
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return res.status(400).json({
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success: false,
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message: '数据验证失败',
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errors
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});
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}
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const question = await QuestionModel.create(questionData);
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res.json({
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success: true,
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data: question
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});
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} catch (error: any) {
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console.error('创建题目失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || '创建题目失败'
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});
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}
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}
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// 更新题目
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static async updateQuestion(req: Request, res: Response) {
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try {
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const { id } = req.params;
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const { content, type, category, options, answer, score } = req.body;
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const updateData: Partial<CreateQuestionData> = {};
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if (content !== undefined) updateData.content = content;
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if (type !== undefined) updateData.type = type;
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if (category !== undefined) updateData.category = category;
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if (options !== undefined) updateData.options = options;
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if (answer !== undefined) updateData.answer = answer;
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if (score !== undefined) updateData.score = score;
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const question = await QuestionModel.update(id, updateData);
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res.json({
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success: true,
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data: question
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});
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} catch (error: any) {
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console.error('更新题目失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || '更新题目失败'
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});
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}
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}
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// 删除题目
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static async deleteQuestion(req: Request, res: Response) {
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try {
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const { id } = req.params;
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const success = await QuestionModel.delete(id);
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if (!success) {
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return res.status(404).json({
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success: false,
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message: '题目不存在'
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});
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}
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res.json({
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success: true,
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message: '删除成功'
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});
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} catch (error: any) {
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console.error('删除题目失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || '删除题目失败'
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});
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}
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}
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// Excel导入题目
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static async importQuestions(req: Request, res: Response) {
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try {
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if (!req.file) {
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return res.status(400).json({
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success: false,
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message: '请上传Excel文件'
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});
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}
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// 读取Excel文件
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const workbook = XLSX.read(req.file.buffer, { type: 'buffer' });
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const sheetName = workbook.SheetNames[0];
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const worksheet = workbook.Sheets[sheetName];
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// 转换为JSON数据
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const rawData = XLSX.utils.sheet_to_json(worksheet);
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// 转换数据格式
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const questionsData: ExcelQuestionData[] = rawData.map((row: any) => ({
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content: row['题目内容'] || row['content'],
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type: QuestionController.mapQuestionType(row['题型'] || row['type']),
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category: row['题目类别'] || row['category'] || '通用',
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answer: row['标准答案'] || row['answer'],
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score: parseInt(row['分值'] || row['score']) || 0,
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options: QuestionController.parseOptions(row['选项'] || row['options'])
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}));
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// 验证数据
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const validation = QuestionModel.validateExcelData(questionsData);
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if (!validation.valid) {
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return res.status(400).json({
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success: false,
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message: 'Excel数据格式错误',
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errors: validation.errors
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});
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}
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// 批量创建题目
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const result = await QuestionModel.createMany(questionsData as any[]);
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res.json({
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success: true,
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data: {
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imported: result.success,
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total: questionsData.length,
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errors: result.errors
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}
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});
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} catch (error: any) {
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console.error('Excel导入失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || 'Excel导入失败'
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});
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}
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}
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// 映射题型
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private static mapQuestionType(type: string): string {
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const typeMap: { [key: string]: string } = {
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'单选': 'single',
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'多选': 'multiple',
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'判断': 'judgment',
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'文字描述': 'text',
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'single': 'single',
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'multiple': 'multiple',
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'judgment': 'judgment',
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'text': 'text'
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};
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return typeMap[type] || 'single';
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}
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// 解析选项
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private static parseOptions(optionsStr: string): string[] | undefined {
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if (!optionsStr) return undefined;
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// 支持多种分隔符：|、;、\n
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const separators = ['|', ';', '\n'];
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for (const separator of separators) {
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if (optionsStr.includes(separator)) {
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return optionsStr.split(separator).map(opt => opt.trim()).filter(opt => opt);
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}
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}
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// 如果没有找到分隔符，返回单个选项
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return [optionsStr.trim()];
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}
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// Excel导出题目
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static async exportQuestions(req: Request, res: Response) {
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try {
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const { type, category } = req.query;
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// 获取所有题目数据（使用大的limit值获取所有题目）
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const result = await QuestionModel.findAll({
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type: type as string,
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category: category as string,
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limit: 10000, // 使用大的limit值获取所有题目
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offset: 0
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});
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const questions = result.questions;
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// 转换为Excel数据格式
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const excelData = questions.map((question: any) => ({
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'题目ID': question.id,
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'题目内容': question.content,
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'题型': this.getQuestionTypeLabel(question.type),
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'题目类别': question.category || '通用',
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'选项': question.options ? question.options.join('|') : '',
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'标准答案': question.answer,
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'分值': question.score,
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'创建时间': new Date(question.createdAt).toLocaleString()
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}));
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// 创建Excel工作簿和工作表
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const workbook = XLSX.utils.book_new();
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const worksheet = XLSX.utils.json_to_sheet(excelData);
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// 设置列宽
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const columnWidths = [
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{ wch: 10 }, // 题目ID
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{ wch: 60 }, // 题目内容
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{ wch: 10 }, // 题型
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{ wch: 15 }, // 题目类别
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{ wch: 80 }, // 选项
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{ wch: 20 }, // 标准答案
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{ wch: 8 }, // 分值
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{ wch: 20 } // 创建时间
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];
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worksheet['!cols'] = columnWidths;
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// 将工作表添加到工作簿
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XLSX.utils.book_append_sheet(workbook, worksheet, '题目列表');
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// 设置响应头
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res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
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res.setHeader('Content-Disposition', `attachment; filename=questions_${new Date().getTime()}.xlsx`);
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// 生成Excel文件并发送
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const excelBuffer = XLSX.write(workbook, { bookType: 'xlsx', type: 'buffer' });
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res.send(excelBuffer);
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} catch (error: any) {
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console.error('Excel导出失败:', error);
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res.status(500).json({
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success: false,
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message: error.message || 'Excel导出失败'
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});
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}
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}
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// 获取题型中文标签
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private static getQuestionTypeLabel(type: string): string {
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const typeMap: { [key: string]: string } = {
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'single': '单选题',
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'multiple': '多选题',
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'judgment': '判断题',
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'text': '文字题'
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};
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return typeMap[type] || type;
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}
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}
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