558 lines
16 KiB
JavaScript
558 lines
16 KiB
JavaScript
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/**
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* API服务类 - 与后端交互
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*/
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class ApiService {
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constructor() {
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this.baseUrl = 'http://localhost:8080/api';
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this.currentUser = null;
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}
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/**
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* 设置当前用户
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*/
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setCurrentUser(user) {
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this.currentUser = user;
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localStorage.setItem('currentUser', JSON.stringify(user));
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}
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/**
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* 获取当前用户
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*/
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getCurrentUser() {
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if (!this.currentUser) {
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const userStr = localStorage.getItem('currentUser');
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if (userStr) {
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this.currentUser = JSON.parse(userStr);
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}
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}
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return this.currentUser;
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}
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/**
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* 清除当前用户
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*/
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clearCurrentUser() {
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this.currentUser = null;
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localStorage.removeItem('currentUser');
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}
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/**
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* 通用请求方法
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*/
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async request(url, options = {}) {
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const defaultOptions = {
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headers: {
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'Content-Type': 'application/json',
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},
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};
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const finalOptions = { ...defaultOptions, ...options };
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try {
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const response = await fetch(`${this.baseUrl}${url}`, finalOptions);
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const data = await response.json();
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if (data.code === 200) {
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return data;
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} else {
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throw new Error(data.message || '请求失败');
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}
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} catch (error) {
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console.error('API请求错误:', error);
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throw error;
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}
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}
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/**
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* GET请求
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*/
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async get(url) {
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return this.request(url, { method: 'GET' });
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}
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/**
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* POST请求
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*/
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async post(url, data) {
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return this.request(url, {
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method: 'POST',
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body: JSON.stringify(data),
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});
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}
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/**
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* PUT请求
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*/
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async put(url, data) {
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return this.request(url, {
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method: 'PUT',
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body: JSON.stringify(data),
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});
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}
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/**
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* DELETE请求
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*/
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async delete(url) {
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return this.request(url, { method: 'DELETE' });
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}
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// ========== 用户相关API ==========
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/**
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* 用户登录
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*/
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async login(username, password) {
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const result = await this.post('/users/login', { username, password });
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if (result.data) {
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this.setCurrentUser(result.data);
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}
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return result;
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}
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/**
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* 获取所有用户
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*/
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async getUsers() {
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return this.get('/users');
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}
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/**
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* 创建用户
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*/
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async createUser(userData) {
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return this.post('/users', userData);
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}
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// ========== 课程相关API ==========
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/**
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* 获取所有课程
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*/
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async getCourses() {
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return this.get('/courses');
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}
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/**
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* 根据课程ID获取课程
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*/
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async getCourseByCourseId(courseId) {
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return this.get(`/courses/courseId/${courseId}`);
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}
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/**
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* 根据分类获取课程
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*/
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async getCoursesByCategory(categoryId) {
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return this.get(`/courses/category/${categoryId}`);
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}
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/**
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* 根据年级和学期获取课程
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*/
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async getCoursesByGradeAndSemester(gradeLevel, semester) {
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return this.get(`/courses/grade/${gradeLevel}/semester/${semester}`);
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}
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// ========== 游戏相关API ==========
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/**
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* 获取所有游戏
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*/
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async getGames() {
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return this.get('/games');
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}
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/**
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* 根据课程ID获取游戏
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*/
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async getGamesByCourseId(courseId) {
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return this.get(`/games/course/${courseId}`);
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}
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/**
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* 根据分类获取游戏
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*/
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async getGamesByCategory(categoryId) {
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return this.get(`/games/category/${categoryId}`);
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}
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// ========== 数据同步API ==========
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/**
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* 获取完整数据结构
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*/
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async getCompleteData() {
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return this.get('/data/complete');
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}
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/**
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* 获取课程完整数据
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*/
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async getCourseCompleteData(courseId) {
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return this.get(`/data/course/${courseId}/complete`);
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}
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// ========== 记录相关API ==========
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/**
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* 记录用户访问
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*/
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async recordAccess(courseId, gameId, accessType, durationSeconds = 0) {
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const user = this.getCurrentUser();
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if (!user) {
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console.warn('用户未登录，无法记录访问');
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return { success: false, message: '用户未登录' };
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}
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const data = {
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userId: user.id,
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courseId: courseId ? parseInt(courseId) : null,
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gameId: gameId ? parseInt(gameId) : null,
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accessType: accessType,
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durationSeconds: parseInt(durationSeconds) || 0
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};
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try {
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const result = await this.post('/records/access', data);
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return result;
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} catch (error) {
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console.error('记录访问失败:', error);
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return { success: false, message: error.message };
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}
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}
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/**
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* 记录游戏结果
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*/
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async recordGameResult(gameId, gameResult, score = 0, playTimeSeconds = 0, attemptsCount = 1, gameData = null) {
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const user = this.getCurrentUser();
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if (!user) {
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console.warn('用户未登录，无法记录游戏结果');
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return { success: false, message: '用户未登录' };
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}
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const data = {
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userId: user.id,
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gameId: gameId ? parseInt(gameId) : null,
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gameResult: gameResult,
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score: parseInt(score) || 0,
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playTimeSeconds: parseInt(playTimeSeconds) || 0,
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attemptsCount: parseInt(attemptsCount) || 1,
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gameData: gameData
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};
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try {
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const result = await this.post('/records/game', data);
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return result;
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} catch (error) {
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console.error('记录游戏结果失败:', error);
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return { success: false, message: error.message };
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}
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}
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// ========== 统计相关API ==========
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/**
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* 获取用户学习统计
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*/
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async getUserStats(userId) {
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return this.get(`/stats/user/${userId}`);
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}
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/**
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* 获取课程访问统计
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*/
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async getCourseStats(courseId) {
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return this.get(`/stats/course/${courseId}`);
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}
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/**
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* 获取游戏统计
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*/
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async getGameStats(gameId) {
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return this.get(`/stats/game/${gameId}`);
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}
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/**
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* 获取用户游戏统计
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*/
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async getUserGameStats(userId, gameId) {
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return this.get(`/stats/user/${userId}/game/${gameId}`);
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}
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// ========== 数据分析相关API ==========
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/**
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* 获取学生统计数据
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*/
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async getStudentStats(studentId, days = 30, categoryId = null) {
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let url = `/analytics/student/${studentId}/stats?days=${days}`;
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if (categoryId) {
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url += `&categoryId=${categoryId}`;
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}
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return this.get(url);
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}
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/**
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* 获取学生课程进度
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*/
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async getStudentCourseProgress(studentId, days = 30, categoryId = null) {
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let url = `/analytics/student/${studentId}/courses?days=${days}`;
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if (categoryId) {
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url += `&categoryId=${categoryId}`;
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}
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return this.get(url);
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}
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/**
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* 获取学生游戏统计
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*/
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async getStudentGameStats(studentId, days = 30, categoryId = null) {
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let url = `/analytics/student/${studentId}/games?days=${days}`;
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if (categoryId) {
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url += `&categoryId=${categoryId}`;
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}
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return this.get(url);
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}
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/**
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* 获取学生最近活动
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*/
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async getStudentRecentActivities(studentId, limit = 10) {
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return this.get(`/analytics/student/${studentId}/activities?limit=${limit}`);
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}
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/**
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* 获取AI视频推荐
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*/
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async getAIRecommendations(studentId, gameStats, courseStats) {
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try {
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// 构建推荐请求数据
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const recommendationData = {
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studentId: studentId,
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gameStats: gameStats,
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courseStats: courseStats,
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timestamp: new Date().toISOString()
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};
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// 调用AI推荐API
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const response = await this.post('/analytics/ai/recommendations', recommendationData);
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return response;
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} catch (error) {
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console.error('获取AI推荐失败:', error);
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// 返回模拟推荐数据
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return this.getMockRecommendations(gameStats, courseStats);
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}
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}
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/**
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* 获取模拟推荐数据（当AI服务不可用时）
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*/
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getMockRecommendations(gameStats, courseStats) {
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const recommendations = [];
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// 基于游戏统计生成推荐
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if (gameStats && gameStats.games) {
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gameStats.games.forEach(game => {
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if (game.accuracy < 70) {
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recommendations.push({
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id: `rec_${game.gameId}_${Date.now()}`,
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type: 'video',
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title: `${game.gameTitle} - 基础讲解视频`,
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reason: `根据您的答题情况，在${game.gameTitle}中正确率为${game.accuracy}%，建议观看相关基础讲解视频来提升理解。`,
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tags: ['基础讲解', '数学概念', '提升理解'],
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videoUrl: this.getVideoUrlByGameName(game.gameTitle, 'basic'),
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priority: 'high'
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});
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}
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});
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}
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// 基于课程统计生成推荐
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if (courseStats && courseStats.courses) {
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courseStats.courses.forEach(course => {
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if (course.progress < 50) {
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recommendations.push({
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id: `rec_course_${course.id}_${Date.now()}`,
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type: 'course',
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title: `${course.name} - 深入学习`,
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reason: `您在${course.name}课程中的学习进度为${course.progress}%，建议继续深入学习相关概念。`,
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tags: ['深入学习', '课程内容', '巩固知识'],
|
|||
|
|
videoUrl: this.getVideoUrlByCourseName(course.name),
|
|||
|
|
priority: 'medium'
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果没有特定推荐，提供通用推荐
|
|||
|
|
if (recommendations.length === 0) {
|
|||
|
|
recommendations.push({
|
|||
|
|
id: `rec_general_${Date.now()}`,
|
|||
|
|
type: 'general',
|
|||
|
|
title: '数学基础巩固视频',
|
|||
|
|
reason: '基于您的学习情况，建议观看数学基础概念视频来巩固知识。',
|
|||
|
|
tags: ['数学基础', '概念理解', '知识巩固'],
|
|||
|
|
videoUrl: 'video/数学-2下-视频--认识数字/认识数字课.mp4',
|
|||
|
|
priority: 'low'
|
|||
|
|
});
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return {
|
|||
|
|
success: true,
|
|||
|
|
data: {
|
|||
|
|
recommendations: recommendations.slice(0, 5), // 最多返回5个推荐
|
|||
|
|
generatedAt: new Date().toISOString(),
|
|||
|
|
source: 'mock'
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 根据游戏名称获取对应的视频URL
|
|||
|
|
*/
|
|||
|
|
getVideoUrlByGameName(gameName, type) {
|
|||
|
|
// 根据游戏名称匹配对应的视频文件
|
|||
|
|
if (gameName.includes('数字') || gameName.includes('识数')) {
|
|||
|
|
return 'video/数学-2下-视频--认识数字/认识数字课.mp4';
|
|||
|
|
} else if (gameName.includes('比大小') || gameName.includes('大小')) {
|
|||
|
|
return 'video/生活-比大小/比大小.mp4';
|
|||
|
|
} else if (gameName.includes('加法') || gameName.includes('计算')) {
|
|||
|
|
if (type === 'basic') {
|
|||
|
|
return 'video/数学-2下-视频--饮品（和是4的加法）/教学片段.mp4';
|
|||
|
|
} else {
|
|||
|
|
return 'video/数学-2下-视频--饮品（和是4的加法）/交互1（1+3）.mp4';
|
|||
|
|
}
|
|||
|
|
} else if (gameName.includes('时钟') || gameName.includes('时间')) {
|
|||
|
|
return 'video/数学-2下-视频--认识时钟/认识时钟.mp4';
|
|||
|
|
} else if (gameName.includes('情绪') || gameName.includes('情感')) {
|
|||
|
|
return 'video/生活-什么是情绪/happy.mp4';
|
|||
|
|
} else if (gameName.includes('垃圾') || gameName.includes('环保')) {
|
|||
|
|
return 'video/生活-捡垃圾/捡垃圾.mp4';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 默认返回数字认识视频
|
|||
|
|
return 'video/数学-2下-视频--认识数字/认识数字课.mp4';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 根据课程名称获取对应的视频URL
|
|||
|
|
*/
|
|||
|
|
getVideoUrlByCourseName(courseName) {
|
|||
|
|
// 根据课程名称匹配对应的视频文件
|
|||
|
|
if (courseName.includes('数学') || courseName.includes('数字')) {
|
|||
|
|
return 'video/数学-2下-视频--认识数字/认识数字课.mp4';
|
|||
|
|
} else if (courseName.includes('语文') || courseName.includes('语言')) {
|
|||
|
|
return 'video/生活-什么是情绪/happy.mp4';
|
|||
|
|
} else if (courseName.includes('生活') || courseName.includes('常识')) {
|
|||
|
|
return 'video/生活-捡垃圾/捡垃圾.mp4';
|
|||
|
|
} else if (courseName.includes('时间') || courseName.includes('时钟')) {
|
|||
|
|
return 'video/数学-2下-视频--认识时钟/认识时钟.mp4';
|
|||
|
|
} else if (courseName.includes('加法') || courseName.includes('计算')) {
|
|||
|
|
return 'video/数学-2下-视频--饮品（和是4的加法）/教学片段.mp4';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 默认返回数字认识视频
|
|||
|
|
return 'video/数学-2下-视频--认识数字/认识数字课.mp4';
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取班级整体统计
|
|||
|
|
*/
|
|||
|
|
async getClassOverview(classId, days = 30) {
|
|||
|
|
return this.get(`/analytics/class/${classId}/overview?days=${days}`);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取课程学习统计
|
|||
|
|
*/
|
|||
|
|
async getCourseStats(courseId, days = 30) {
|
|||
|
|
return this.get(`/analytics/course/${courseId}/stats?days=${days}`);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取游戏统计
|
|||
|
|
*/
|
|||
|
|
async getGameStats(gameId, days = 30) {
|
|||
|
|
return this.get(`/analytics/game/${gameId}/stats?days=${days}`);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 导出学生数据报告
|
|||
|
|
*/
|
|||
|
|
async exportStudentReport(studentId, days = 30) {
|
|||
|
|
return this.get(`/analytics/student/${studentId}/export?days=${days}`);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ==================== AI游戏生成器相关方法 ====================
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 生成AI个性化游戏
|
|||
|
|
*/
|
|||
|
|
async generateAIGame(studentId, subject, gameType, difficulty, questionCount) {
|
|||
|
|
try {
|
|||
|
|
const response = await this.post('/api/ai/game/generate', {
|
|||
|
|
studentId: studentId,
|
|||
|
|
subject: subject,
|
|||
|
|
gameType: gameType,
|
|||
|
|
difficulty: difficulty,
|
|||
|
|
questionCount: questionCount
|
|||
|
|
});
|
|||
|
|
return response;
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error('生成AI游戏失败:', error);
|
|||
|
|
throw error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取学生游戏统计
|
|||
|
|
*/
|
|||
|
|
async getStudentGameStats(studentId) {
|
|||
|
|
try {
|
|||
|
|
const response = await this.get(`/api/ai/game/stats/${studentId}`);
|
|||
|
|
return response;
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error('获取游戏统计失败:', error);
|
|||
|
|
throw error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 更新游戏结果
|
|||
|
|
*/
|
|||
|
|
async updateGameResult(studentId, gameId, correct, total, timeSpent, hintsUsed) {
|
|||
|
|
try {
|
|||
|
|
const response = await this.post('/api/ai/game/result', {
|
|||
|
|
studentId: studentId,
|
|||
|
|
gameId: gameId,
|
|||
|
|
correct: correct,
|
|||
|
|
total: total,
|
|||
|
|
timeSpent: timeSpent,
|
|||
|
|
hintsUsed: hintsUsed
|
|||
|
|
});
|
|||
|
|
return response;
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error('更新游戏结果失败:', error);
|
|||
|
|
throw error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/**
|
|||
|
|
* 获取推荐难度
|
|||
|
|
*/
|
|||
|
|
async getRecommendedDifficulty(studentId) {
|
|||
|
|
try {
|
|||
|
|
const response = await this.get(`/api/ai/game/difficulty/${studentId}`);
|
|||
|
|
return response;
|
|||
|
|
} catch (error) {
|
|||
|
|
console.error('获取推荐难度失败:', error);
|
|||
|
|
throw error;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 创建全局API服务实例
|
|||
|
|
window.apiService = new ApiService();
|