毕设路上的挣扎与成长：《萌宠商城》Python+Django开发全过程记录与技术突破

一、个人简介

• 💖💖作者：计算机编程果茶熊
• 💙💙个人简介：曾长期从事计算机专业培训教学，担任过编程老师，同时本人也热爱上课教学，擅长Java、微信小程序、Python、Golang、安卓Android等多个IT方向。会做一些项目定制化开发、代码讲解、答辩教学、文档编写、也懂一些降重方面的技巧。平常喜欢分享一些自己开发中遇到的问题的解决办法，也喜欢交流技术，大家有技术代码这一块的问题可以问我！
• 💛💛想说的话：感谢大家的关注与支持！
• 💜💜
• 网站实战项目
• 安卓/小程序实战项目
• 💕💕文末获取源码联系计算机编程果茶熊

二、系统介绍

• 开发语言：Java+Python
• 数据库：MySQL
• 系统架构：B/S
• 后端框架：SpringBoot(Spring+SpringMVC+Mybatis)+Django
• 前端：Vue+HTML+CSS+JavaScript+jQuery
• 《萌宠商城》是一款基于B/S架构的综合宠物服务平台，采用Java/Python双版本支持，分别基于Spring Boot(Spring+SpringMVC+Mybatis)和Django框架开发，前端使用Vue+ElementUI+HTML技术栈，数据库采用MySQL。系统功能丰富全面，包括首页展示、个人中心管理、宠物及商品分类管理、宠物用品管理、宠物商店管理、宠物领养管理、用户管理、宠物寄存管理、用户领养管理、宠物挂失管理、论坛管理、管理员管理以及订单管理等14个核心功能模块。该系统不仅满足宠物爱好者在线浏览、购买宠物及相关用品的需求，还提供宠物领养、寄存等增值服务，同时内置论坛功能促进用户交流。通过模块化设计和直观的用户界面，系统实现了宠物相关业务的全流程管理，为宠物店铺提供了完整的线上运营解决方案，也为宠物爱好者创造了便捷的一站式服务体验，是一个功能完善、技术架构清晰的宠物电商管理系统。

三、萌宠商城-视频解说

毕设路上的挣扎与成长：《萌宠商城》Python+Django开发全过程记录与技术突破

四、萌宠商城-功能展示

五、萌宠商城-代码展示

// 1. Pet Adoption Management: Handle adoption application submission
public AdoptionResponse submitAdoptionApplication(Long userId, Long petId, AdoptionRequest request) {
    // Validate user and pet existence
    User user = userRepository.findById(userId).orElseThrow(() -> new RuntimeException("User not found"));
    Pet pet = petRepository.findById(petId).orElseThrow(() -> new RuntimeException("Pet not found"));
    // Check if pet is available for adoption
    if (!pet.getStatus().equals(PetStatus.AVAILABLE)) {
        throw new RuntimeException("Pet is not available for adoption");
    }
    // Create adoption application
    AdoptionApplication application = new AdoptionApplication();
    application.setUserId(userId);
    application.setPetId(petId);
    application.setApplicationDate(LocalDateTime.now());
    application.setStatus(AdoptionStatus.PENDING);
    application.setUserContact(request.getContactInfo());
    application.setReason(request.getAdoptionReason());
    application.setHomeEnvironment(request.getHomeEnvironment());
    // Save application to database
    adoptionApplicationRepository.save(application);
    // Update pet status to pending
    pet.setStatus(PetStatus.PENDING_ADOPTION);
    petRepository.save(pet);
    // Notify admin for review (e.g., via internal messaging or log)
    log.info("New adoption application submitted: User {}, Pet {}", userId, petId);
    // Return response with application details
    return new AdoptionResponse(application.getId(), petId, AdoptionStatus.PENDING, "Application submitted successfully");
}

// 2. Order Management: Process order creation and payment
public OrderResponse createOrder(Long userId, List<OrderItemRequest> items, String shippingAddress) {
    // Validate user
    User user = userRepository.findById(userId).orElseThrow(() -> new RuntimeException("User not found"));
    // Calculate total price and validate items
    BigDecimal totalPrice = BigDecimal.ZERO;
    List<OrderItem> orderItems = new ArrayList<>();
    for (OrderItemRequest item : items) {
        PetProduct product = productRepository.findById(item.getProductId())
                .orElseThrow(() -> new RuntimeException("Product not found: " + item.getProductId()));
        if (product.getStock() < item.getQuantity()) {
            throw new RuntimeException("Insufficient stock for product: " + product.getName());
        }
        BigDecimal itemPrice = product.getPrice().multiply(BigDecimal.valueOf(item.getQuantity()));
        totalPrice = totalPrice.add(itemPrice);
        OrderItem orderItem = new OrderItem();
        orderItem.setProductId(item.getProductId());
        orderItem.setQuantity(item.getQuantity());
        orderItem.setUnitPrice(product.getPrice());
        orderItems.add(orderItem);
    }
    // Create order
    Order order = new Order();
    order.setUserId(userId);
    order.setOrderItems(orderItems);
    order.setTotalPrice(totalPrice);
    order.setShippingAddress(shippingAddress);
    order.setOrderStatus(OrderStatus.PENDING_PAYMENT);
    order.setOrderDate(LocalDateTime.now());
    // Save order to database
    orderRepository.save(order);
    // Update product stock
    for (OrderItem item : orderItems) {
        PetProduct product = productRepository.findById(item.getProductId()).get();
        product.setStock(product.getStock() - item.getQuantity());
        productRepository.save(product);
    }
    // Return order response
    return new OrderResponse(order.getId(), totalPrice, OrderStatus.PENDING_PAYMENT, "Order created successfully");
}

// 3. Forum Management: Create a new forum post
public ForumPostResponse createForumPost(Long userId, ForumPostRequest request) {
    // Validate user
    User user = userRepository.findById(userId).orElseThrow(() -> new RuntimeException("User not found"));
    // Validate post content
    if (request.getContent() == null || request.getContent().trim().isEmpty()) {
        throw new RuntimeException("Post content cannot be empty");
    }
    // Create new forum post
    ForumPost post = new ForumPost();
    post.setUserId(userId);
    post.setTitle(request.getTitle());
    post.setContent(request.getContent());
    post.setCategory(request.getCategory());
    post.setCreatedAt(LocalDateTime.now());
    post.setStatus(PostStatus.ACTIVE);
    post.setViewCount(0L);
    post.setLikeCount(0L);
    // Save post to database
    forumPostRepository.save(post);
    // Update user post count
    user.setPostCount(user.getPostCount() + 1);
    userRepository.save(user);
    // Notify followers or log activity
    log.info("New forum post created by user {}: {}", userId, request.getTitle());
    // Check for sensitive content (basic filter example)
    if (request.getContent().toLowerCase().contains("inappropriate")) {
        post.setStatus(PostStatus.UNDER_REVIEW);
        forumPostRepository.save(post);
        log.warn("Post flagged for review: {}", post.getId());
    }
    // Return response
    return new ForumPostResponse(post.getId(), post.getTitle(), PostStatus.ACTIVE, "Post created successfully");
}

六、萌宠商城-文档展示

七、END

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