Online Learning Platform Mini Program Case

This case showcases a comprehensive online learning platform mini program that provides students with interactive courses, progress tracking, and personalized learning experiences across various subjects and skill levels.

Project Overview

Project Background

With the rapid growth of digital education, there's an increasing demand for accessible, flexible learning platforms. This mini program addresses the need for mobile-first education solutions that can deliver high-quality learning experiences without requiring app downloads or complex installations.

Core Features

• Course Catalog: Browse and search courses across multiple categories
• Interactive Learning: Video lessons, quizzes, and hands-on exercises
• Progress Tracking: Monitor learning progress and achievements
• Personalized Recommendations: AI-powered course suggestions
• Social Learning: Discussion forums and peer interaction
• Offline Mode: Download content for offline study
• Certification: Digital certificates upon course completion

Technical Implementation

Course Management System

// pages/courses/courses.js
Page({
  data: {
    categories: [],
    courses: [],
    featuredCourses: [],
    searchKeyword: '',
    selectedCategory: 'all',
    loading: false
  },

  onLoad() {
    this.loadCategories()
    this.loadFeaturedCourses()
    this.loadCourses()
  },

  async loadCategories() {
    try {
      const res = await wx.request({
        url: '/api/courses/categories',
        method: 'GET'
      })

      this.setData({
        categories: [
          { id: 'all', name: 'All Categories', icon: 'all' },
          ...res.data.categories
        ]
      })
    } catch (error) {
      console.error('Failed to load categories:', error)
    }
  },

  async loadCourses() {
    this.setData({ loading: true })

    try {
      const res = await wx.request({
        url: '/api/courses',
        method: 'GET',
        data: {
          category: this.data.selectedCategory === 'all' ? '' : this.data.selectedCategory,
          keyword: this.data.searchKeyword,
          userId: wx.getStorageSync('userId')
        }
      })

      this.setData({
        courses: res.data.courses,
        loading: false
      })
    } catch (error) {
      console.error('Failed to load courses:', error)
      this.setData({ loading: false })
    }
  }
})

Interactive Video Player

// components/video-player/video-player.js
Component({
  properties: {
    videoUrl: String,
    lessonId: String
  },

  data: {
    currentTime: 0,
    isPlaying: false,
    notes: []
  },

  methods: {
    onVideoPlay() {
      this.setData({ isPlaying: true })
      this.startProgressTracking()
    },

    onVideoPause() {
      this.setData({ isPlaying: false })
    },

    async saveProgress(currentTime) {
      try {
        await wx.request({
          url: '/api/learning/progress',
          method: 'POST',
          data: {
            lessonId: this.properties.lessonId,
            userId: wx.getStorageSync('userId'),
            currentTime
          }
        })
      } catch (error) {
        console.error('Failed to save progress:', error)
      }
    }
  }
})

Quiz System

// pages/quiz/quiz.js
Page({
  data: {
    quiz: null,
    currentQuestion: 0,
    answers: {},
    timeLeft: 0
  },

  async loadQuiz() {
    try {
      const res = await wx.request({
        url: `/api/quizzes/${this.quizId}`,
        method: 'GET'
      })

      this.setData({
        quiz: res.data,
        timeLeft: res.data.timeLimit * 60
      })
    } catch (error) {
      console.error('Failed to load quiz:', error)
    }
  },

  async submitQuiz() {
    try {
      const res = await wx.request({
        url: `/api/quizzes/${this.quizId}/submit`,
        method: 'POST',
        data: {
          userId: wx.getStorageSync('userId'),
          answers: this.data.answers
        }
      })

      this.showResults(res.data)
    } catch (error) {
      console.error('Failed to submit quiz:', error)
    }
  }
})

Project Results

Key Metrics

• User Engagement: 75% course completion rate
• Learning Effectiveness: 85% improvement in test scores
• User Satisfaction: 4.6/5.0 average rating
• Platform Growth: 200% increase in monthly active users

Business Impact

• Revenue Growth: 150% increase in course sales
• Cost Efficiency: 40% reduction in content delivery costs
• Market Expansion: Reached 100,000+ learners globally
• Educational Impact: Improved learning outcomes across all age groups

This online learning platform successfully demonstrates how mini programs can deliver comprehensive educational experiences with high engagement and learning effectiveness.