SSM实现网上商城 有聊天功能

1.项目介绍

     实现一个网上商城，商品信息展示，购物车，订单管理，个人中心，商品评价，商品搜索，地址管理，聊天，后台管理（商品增删改查），分类管理，活动管理，客服聊天回复

2.开发环境

• 开发环境：IDEA/eclipse、Tomcat8.5+
• 数据库：MySql
• 前端主要使用Bootstrap以及JQuery，后端基于SpringMVC、Spring、MyBatis进行开发，使用Maven构建
• activeMQ

相关代码

@Controller
public class OrderController {

    /*@Value("#{addressService}")*/
    @Autowired
    private AddressService addressService;

    @Autowired
    private ShopCartService shopCartService;

    @Autowired
    private GoodsService goodsService;

    @Autowired
    private OrderService orderService;

    @Autowired
    private ActivityService activityService;

    @RequestMapping("/order")
    public String showOrder(HttpSession session, Model model) {

        User user = (User) session.getAttribute("user");
        if (user == null) {
            return "redirect:/login";
        }

        //查询当前用户的收货地址
        AddressExample addressExample = new AddressExample();
        addressExample.or().andUseridEqualTo(user.getUserid());
        List<Address> addressList = addressService.getAllAddressByExample(addressExample);

        model.addAttribute("address", addressList);

        //订单信息
        //获取当前用户的购物车信息
        ShopCartExample shopCartExample = new ShopCartExample();
        shopCartExample.or().andUseridEqualTo(user.getUserid());
        List<ShopCart> shopCart = shopCartService.selectByExample(shopCartExample);

        //获取购物车中的商品信息
        List<Goods> goodsAndImage = new ArrayList<>();

        Float totalPrice = new Float(0);
        Integer oldTotalPrice = 0;

        for (ShopCart cart:shopCart) {
            Goods goods = goodsService.selectById(cart.getGoodsid());

            List<ImagePath> imagePathList = goodsService.findImagePath(goods.getGoodsid());
            goods.setImagePaths(imagePathList);
            goods.setNum(cart.getGoodsnum());

            //活动信息
            Activity activity = activityService.selectByKey(goods.getActivityid());
            goods.setActivity(activity);

            if(activity.getDiscount() != 1) {
                goods.setNewPrice(goods.getPrice()*goods.getNum()* activity.getDiscount());
            } else if(activity.getFullnum() != null) {
                if (goods.getNum() >= activity.getFullnum()) {
                    goods.setNewPrice((float) (goods.getPrice()*(goods.getNum()-activity.getReducenum())));
                } else {
                    goods.setNewPrice((float) (goods.getPrice()*goods.getNum()));
                }
            } else {
                goods.setNewPrice((float) (goods.getPrice()*goods.getNum()));
            }
            totalPrice = totalPrice + goods.getNewPrice();
            oldTotalPrice = oldTotalPrice + goods.getNum() * goods.getPrice();
            goodsAndImage.add(goods);
        }

        model.addAttribute("totalPrice", totalPrice);
        model.addAttribute("oldTotalPrice", oldTotalPrice);
        model.addAttribute("goodsAndImage", goodsAndImage);

        return "orderConfirm";
    }

    @RequestMapping("/orderFinish")
    @ResponseBody
    public Msg orderFinish(Float oldPrice, Float newPrice, Boolean isPay, Integer addressid,HttpSession session) {
        User user = (User) session.getAttribute("user");

        //获取订单信息
        ShopCartExample shopCartExample = new ShopCartExample();
        shopCartExample.or().andUseridEqualTo(user.getUserid());
        List<ShopCart> shopCart = shopCartService.selectByExample(shopCartExample);

        //删除购物车
        for (ShopCart cart : shopCart) {
            shopCartService.deleteByKey(new ShopCartKey(cart.getUserid(),cart.getGoodsid()));
        }

        //把订单信息写入数据库
        Order order = new Order(null, user.getUserid(), new Date(), oldPrice, newPrice, isPay, false, false, false, addressid,null,null);
        orderService.insertOrder(order);
        //插入的订单号
        Integer orderId = order.getOrderid();

        //把订单项写入orderitem表中
        for (ShopCart cart : shopCart) {
            orderService.insertOrderItem(new OrderItem(null, orderId, cart.getGoodsid(), cart.getGoodsnum()));
        }

        return Msg.success("购买成功");
    }

}

@Controller
public class MainController {

    @Autowired
    private CateService cateService;

    @Autowired
    private GoodsService goodsService;

    @RequestMapping("/main")
    public String showAllGoods(Model model, HttpSession session) {

        Integer userid;
        User user = (User) session.getAttribute("user");
        if (user == null) {
            userid = null;
        } else {
            userid = user.getUserid();
        }

        //数码分类
        List<Goods> digGoods = getCateGoods("数码", userid);
        model.addAttribute("digGoods", digGoods);

        //家电
        List<Goods> houseGoods = getCateGoods("家电", userid);
        model.addAttribute("houseGoods", houseGoods);

        //服饰
        List<Goods> colGoods = getCateGoods("服饰", userid);
        model.addAttribute("colGoods", colGoods);

        //书籍
        List<Goods> bookGoods = getCateGoods("书籍", userid);
        model.addAttribute("bookGoods", bookGoods);

        return "main";
    }

    public List<Goods> getCateGoods(String cate, Integer userid) {
        //查询分类
        CategoryExample digCategoryExample = new CategoryExample();
        digCategoryExample.or().andCatenameLike(cate);
        List<Category> digCategoryList = cateService.selectByExample(digCategoryExample);

        if (digCategoryList.size() == 0) {
            return null;
        }

        //查询属于刚查到的分类的商品
        GoodsExample digGoodsExample = new GoodsExample();
        List<Integer> digCateId = new ArrayList<Integer>();
        for (Category tmp:digCategoryList) {
            digCateId.add(tmp.getCateid());
        }
        digGoodsExample.or().andCategoryIn(digCateId);

        List<Goods> goodsList = goodsService.selectByExampleLimit(digGoodsExample);

        List<Goods> goodsAndImage = new ArrayList<>();
        //获取每个商品的图片
        for (Goods goods:goodsList) {
            //判断是否为登录状态
            if (userid == null) {
                goods.setFav(false);
            } else {
                Favorite favorite = goodsService.selectFavByKey(new FavoriteKey(userid, goods.getGoodsid()));
                if (favorite == null) {
                    goods.setFav(false);
                } else {
                    goods.setFav(true);
                }
            }

            List<ImagePath> imagePathList = goodsService.findImagePath(goods.getGoodsid());
            goods.setImagePaths(imagePathList);
            goodsAndImage.add(goods);
        }
        return goodsAndImage;
    }
}