一、项目简述

本系统功能包括：

一： 商品模块：商品添加、规格设置，商品上下架等

二：订单模块：下单、购物车、支付，发货、收货、评 价、退款等

三：用户模块：登陆、注册、会员卡、充值等

四：其他等

二、项目运行

环境配置： 1.1 springframework4.3.7.RELEASE 1.2 mybatis3.1.0s MyBatis-Plus 3.1.0 1.3 shirol.3.2 1.4 servlet3.1.0 1.5 druid1.0.28 1.6 weixin-java-mp3.2.0 1.7 MybatisPlus3.1.0 1.8 lombok等等。

项目技术： 2.1 Vue2.5.1 2.2 iview 2.3 layer3.0.3 2.4 jquery2.2.4 2.5 bootstrap3.3.7等等。

用户相关业务控制层：

/**
 * @description 用户相关业务
 */

@RestController
@CrossOrigin
public class UserController {
    final RoleService roleService;
    final UserService userService;
    final UserRoleService userRoleService;
    final VipService vipService;
    public UserController(UserService userService, RoleService roleService,VipService vipService, UserRoleService userRoleService) {
        this.userService = userService;
        this.roleService = roleService;
        this.userRoleService = userRoleService;
        this.vipService = vipService;
    }

    /*根据id查询用户*/
    @RequestMapping(value = "/user/findById")
    private CommonResult findById(Integer id) {
        User user = userService.selectById(id);
        if(user!=null){
            return CommonResult.success("查询成功",user);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    /*根据帐号查询用户*/
    @RequestMapping(value = "/user/findByKey")
    private CommonResult findByKey(String key) {
        User user = userService.selectByKey(key);
        if(user!=null){
            return CommonResult.success("查询成功",user);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    /*查询所有用户*/
    @RequestMapping(value = "/user/findAll")
    private CommonResult findAll() {
        List<User> users = userService.selectAll();
        if(users!=null){
            return CommonResult.success("查询成功",users);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    /*判断某个用户是否还存在*/
    @RequestMapping(value = "/user/existKey")
    private CommonResult existKey(String key) {
        Boolean isExist = userService.existsWithPrimaryKey(key);
        if(isExist!=null){
            return CommonResult.success("查询成功",isExist);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    /*查询用户状态*/
    @RequestMapping(value = "/user/userState")
    private CommonResult userState(String accountNumber) {
        Boolean state = userService.selectUserState(accountNumber);
        if(state!=null){
            return CommonResult.success("查询成功",state);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    /*查询用户记录的总条数*/
    @RequestMapping(value = "/user/count")
    private CommonResult findCount() {
        Integer count = userService.selectCount();
        if(count!=null){
            if(count!=0){
                return CommonResult.success("查询成功",count);
            }else{
                return CommonResult.error("查询失败");
            }
        }else{
            return CommonResult.error("查询失败");
        }

    }

    //通过用户帐号去查询用户的id
    @RequestMapping(value = "/user/findIdByKey")
    private CommonResult findIdByKey(String key) {
        Integer id = userService.selectIdByKey(key);
        if(id!=null){
            if(id!=0){
                return CommonResult.success("查询成功","id: "+id);
            }else{
                return CommonResult.error("未查询到");
            }
        }else{
            return CommonResult.error("查询失败");
        }
    }

    //删除用户
    @RequestMapping(value = "/user/delete")
    private CommonResult delete(Integer userId) {
        if(userService.deleteById(userId)){
            return CommonResult.success("删除成功",userId);
        }else{
            return CommonResult.error("删除失败");
        }
    }

    @RequestMapping(value = "/user/author")
    private CommonResult author(Integer userId,@RequestParam List<Integer> roleId) {
        System.out.println(userId);
        System.out.println(roleId);
        if(userId!=null && roleId!=null && roleId.size()!=0){
            if(userRoleService.deleteById(userId)){
                UserRole userRole = new UserRole();
                userRole.setUserId(userId);
                for (Integer id : roleId) {
                    userRole.setRoleId(id);
                    userRoleService.insertData(userRole);
                }
            }
            return CommonResult.success("授权成功");
        }else{
            return CommonResult.error("角色授权数据不完整！");
        }
    }

    /*查询所有VIP用户*/
    @RequestMapping(value = "/vip/findAllVip")
    private CommonResult findAllVip() {
        List<Vip> vips = vipService.selectAll();
        if(vips!=null){
            return CommonResult.success("查询成功",vips);
        }else{
            return CommonResult.error("查询失败");
        }
    }
    /*查询VIP用户信息根据id*/
    @RequestMapping(value = "/vip/findVipById")
    private CommonResult findVipById(Integer vipId) {
        Vip vip = vipService.selectById(vipId);
        if(vip!=null){
            return CommonResult.success("查询成功",vip);
        }else{
            return CommonResult.error("查询失败");
        }
    }
    /*查询VIP用户信息根据id*/
    @RequestMapping(value = "/vip/findVipByKey")
    private CommonResult findVipByKey(String accountNumber) {
        Vip vip = vipService.selectByKey(accountNumber);
        if(vip!=null){
            return CommonResult.success("查询成功",vip);
        }else{
            return CommonResult.error("查询失败");
        }
    }
    /*判断用户信息是否存在*/
    @RequestMapping(value = "/vip/existsVip")
    private CommonResult existsVip(String accountNumber) {
        Boolean isExist = vipService.existsVip(accountNumber);
        if(isExist!=null){
            return CommonResult.success("查询成功",isExist);
        }else{
            return CommonResult.error("查询失败");
        }
    }

    //创建vip信息
    @RequestMapping(value = "/vip/addVip")
    private CommonResult addVip(Vip vip) {
        Date date = new Date();
        Calendar cal = Calendar.getInstance();
        cal.setTime(date);//设置起时间
        cal.add(Calendar.YEAR, 1);//增加一年
        vip.setOverdueTime(cal.getTime());
        if(vipService.insertData(vip)){
            return CommonResult.success("vip信息插入成功",vip);
        }else{
            return CommonResult.error("vip信息插入失败");
        }
    }

    //更新vip信息
    @RequestMapping(value = "/vip/updateVip")
    private CommonResult updateVip(Vip vip) {
        if(vipService.updateById(vip)){
            return CommonResult.success("vip信息更新成功",vip);
        }else{
            return CommonResult.error("vip信息更新失败");
        }
    }

    //删除vip信息
    @RequestMapping(value = "/vip/deleteVip")
    private CommonResult deleteVip(Integer vipId) {
        if(vipService.deleteById(vipId)){
            return CommonResult.success("删除成功",vipId);
        }else{
            return CommonResult.error("删除失败");
        }
    }
}

订单相关业务：

/**
 * @description 订单相关业务
 */

@RestController
@CrossOrigin
public class OrderController {
    final OrderService orderService;
    final ProductService productService;
    final LogisticsService logisticsService;
    final RedisTemplate<String,String> redisTemplate;
    public OrderController(RedisTemplate<String,String> redisTemplate,OrderService orderService,LogisticsService logisticsService,ProductService productService) {
        this.orderService = orderService;
        this.productService = productService;
        this.logisticsService = logisticsService;
        this.redisTemplate = redisTemplate;
    }


    @RequestMapping(value = "/order/findById")
    private CommonResult findOrderById(Integer orderId) {
        Order order= orderService.selectById(orderId);
        if(orderId!=null){
            return CommonResult.success("订单信息查询成功",order);
        }else{
            return CommonResult.error("订单信息查询失败");
        }
    }
    @RequestMapping(value = "/order/findOrderInfo")
    private CommonResult findOrderInfo(String userAccount) {
        List<Map<String, Object>> orderMap = orderService.selectAllOrder(userAccount);
        if(orderMap!=null){
            return CommonResult.success("订单信息查询成功",orderMap);
        }else{
            return CommonResult.error("订单信息查询失败");
        }
    }

    @RequestMapping(value = "/order/findAll")
    private CommonResult findAllOrder() {
        List<Order> orders = orderService.selectAll();
        System.out.println(orders);
        if(orders!=null){
            return CommonResult.success("订单信息查询成功",orders);
        }else{
            return CommonResult.error("订单信息查询失败");
        }
    }

    @RequestMapping(value = "/order/findCount")
    private CommonResult findCount() {
        Integer count = orderService.selectCount();
        if(count!=null){
            return CommonResult.success("订单数量查询成功",count);
        }else{
            return CommonResult.error("订单数量查询失败");
        }
    }


    @RequestMapping(value = "/order/add")
    private CommonResult addOrder(Order order) {
        if(order!=null){
            if(order.getProductNo().contains("Vip")){
                if(orderService.insertData(order)){
                    return CommonResult.success("创建订单成功",order);
                }else{
                    return CommonResult.error("创建订单失败");
                }
            }else{
                Product product = productService.selectByKey(order.getProductNo());
                Integer productStock = product.getProductStock();
                Integer payAmount = order.getPayAmount();
                boolean isOk =productStock >= payAmount;
                if(isOk){
                    Product newProduct = new Product();
                    newProduct.setProductId(product.getProductId());
                    int newStock = productStock - payAmount;
                    newProduct.setProductStock(newStock);
                    newProduct.setIsStockOut(newStock<product.getLowestStock());
                    // 如果库存小于等于0，自动下架
                    newProduct.setIsSale(newStock>0);
                    if(productService.updateById(newProduct)){
                        if(orderService.insertData(order)){
                            redisTemplate.opsForValue().set(order.getOrderNo(),order.getOrderNo(),24, TimeUnit.HOURS);
                            return CommonResult.success("创建订单成功",order);
                        }else{
                            return CommonResult.error("创建订单失败");
                        }
                    }else{
                        return CommonResult.error("创建订单失败");
                    }
                }else{
                    return CommonResult.error("商品库存不足");
                }
            }
        }else{
            return CommonResult.error("订单数据不完整");
        }
    }


    @RequestMapping(value = "/order/cartOrder")
    private CommonResult cartOrder(String orderNo,String ordersInfo) {
        JSONArray jsonArray = JSON.parseArray(ordersInfo);
        List<Order> orders = JSONObject.parseArray(jsonArray.toJSONString(), Order.class);
        if(orders!=null){
            ArrayList<String> orderInfo = new ArrayList<>();
            ArrayList<String> productInfo = new ArrayList<>();
            for (Order order : orders) {
                Product product = productService.selectByKey(order.getProductNo());
                Integer productStock = product.getProductStock();
                Integer payAmount = order.getPayAmount();
                boolean isOk =productStock >= payAmount;
                if(isOk){
                    Product newProduct = new Product();
                    newProduct.setProductId(product.getProductId());
                    int newStock = productStock - payAmount;
                    newProduct.setProductStock(newStock);
                    newProduct.setIsStockOut(newStock<product.getLowestStock());
                    // 如果库存小于等于0，自动下架
                    newProduct.setIsSale(newStock>0);
                    if(productService.updateById(newProduct)){
                        if(orderService.insertData(order)){
                            orderInfo.add(order.getOrderNo());
                            productInfo.add(order.getProductNo());
                        }
                    }
                }
            }
            if(orderInfo.size()!=0){
                String orderNoInfo = StringUtils.join(orderInfo, ",");
                String productNoInfo = StringUtils.join(productInfo, ",");
                redisTemplate.opsForValue().set(orderNo,orderNoInfo,24, TimeUnit.HOURS);
                return CommonResult.success("创建订单成功",productNoInfo);
            }else{
                return CommonResult.success("创建订单失败");
            }
        }else{
            return CommonResult.error("订单数据不完整");
        }
    }

    @RequestMapping(value = "/order/update")
    private CommonResult updateOrder(Order order) {
        if(orderService.updateById(order)){
            return CommonResult.success("修改订单成功",order);
        }else{
            return CommonResult.error("修改订单失败");
        }
    }

    @RequestMapping(value = "/order/delete")
    private CommonResult deleteOrder(Integer orderId) {
        if(orderService.deleteById(orderId)){
            return CommonResult.success("删除订单成功","订单id："+orderId);
        }else{
            return CommonResult.error("删除订单失败");
        }
    }

    @RequestMapping(value = "/order/receipt")
    private CommonResult updateOrder(Integer orderId) {
        Order order = new Order();
        order.setOrderId(orderId);
        order.setOrderState("已收货");
        if(orderService.updateById(order)){
            return CommonResult.success("商品收货成功",order);
        }else{
            return CommonResult.error("商品收货失败");
        }
    }

    @RequestMapping(value = "/orderDetail/orderInfo")
    private CommonResult orderInfo(String orderNo) {
        ArrayList<Object> resultList = new ArrayList<>();
        Order order = orderService.selectByKey(orderNo);
        Logistics logistics = logisticsService.selectOrderNo(orderNo);
        if(order!=null){
            resultList.add(order);
        }
        if(logistics!=null){
            resultList.add(logistics);
        }

        if(resultList.size()!=0){
            return CommonResult.success("订单详情查询成功",resultList);
        }else{
            return CommonResult.error("订单详情查询失败");
        }
    }
}

购物车业务类控制层：

/**
 * @description 购物车业务类
 */
@RestController
@CrossOrigin
public class ShoppingCartController {
    final ShoppingCartService shoppingCartService;
    public ShoppingCartController(ShoppingCartService shoppingCartService){
        this.shoppingCartService = shoppingCartService;
    }


    /*商品类别*/
    @RequestMapping(value = "/shoppingCart/add")
    private CommonResult addShoppingCart(ShoppingCart shoppingCart) {
        if(shoppingCartService.insertData(shoppingCart)){
            return CommonResult.success("购物车添加成功",shoppingCart);
        }else{
            return CommonResult.error("购物车添加失败");
        }
    }

    @RequestMapping(value = "/shoppingCart/update")
    private CommonResult updateShoppingCart(ShoppingCart shoppingCart) {
        if(shoppingCartService.updateById(shoppingCart)){
            return CommonResult.success("购物车修改成功",shoppingCart);
        }else{
            return CommonResult.error("购物车修改失败");
        }
    }

    @RequestMapping(value = "/shoppingCart/deleteById")
    private CommonResult deleteShoppingCart(Integer cartId) {
        if(shoppingCartService.deleteById(cartId)){
            return CommonResult.success("购物车删除成功","cartId: "+cartId);
        }else{
            return CommonResult.error("购物车删除失败");
        }
    }
    @RequestMapping(value = "/shoppingCart/deleteByUser")
    private CommonResult deleteByUser(String accountNumber) {
        if(shoppingCartService.deleteByUser(accountNumber)){
            return CommonResult.success("购物车删除成功","accountNumber: "+accountNumber);
        }else{
            return CommonResult.error("购物车删除失败");
        }
    }


    @RequestMapping(value = "/shoppingCart/findAll")
    private CommonResult findAllShoppingCart(String accountNumber) {
        List<Map<String, Object>> shoppingInfo = shoppingCartService.selectAll(accountNumber);
        if(shoppingInfo!=null){
            return CommonResult.success("购物车查询成功",shoppingInfo);
        }else{
            return CommonResult.error("购物车查询失败");
        }
    }

    @RequestMapping(value = "/shoppingCart/findById")
    private CommonResult findById(Integer cartId) {
        ShoppingCart shoppingCart = shoppingCartService.selectById(cartId);
        if(shoppingCart!=null){
            return CommonResult.success("购物车查询成功",shoppingCart);
        }else{
            return CommonResult.error("购物车查询失败");
        }
    }

}