Java 仿天貓服裝商城系統的實現流程

 
/**
 * 產品詳情頁
 */
@Controller
public class ForeProductDetailsController extends BaseController {
    @Resource(name = "productService")
    private ProductService productService;
    @Resource(name = "userService")
    private UserService userService;
    @Resource(name = "productImageService")
    private ProductImageService productImageService;
    @Resource(name = "categoryService")
    private CategoryService categoryService;
    @Resource(name = "propertyValueService")
    private PropertyValueService propertyValueService;
    @Resource(name = "propertyService")
    private PropertyService propertyService;
    @Resource(name = "reviewService")
    private ReviewService reviewService;
    @Resource(name = "productOrderItemService")
    private ProductOrderItemService productOrderItemService;
 
    //轉到前臺天貓-產品詳情頁
    @RequestMapping(value = "product/{pid}", method = RequestMethod.GET)
    public String goToPage(HttpSession session, Map<String, Object> map,
                           @PathVariable("pid") String pid /*產品ID*/) {
        logger.info("檢查用戶是否登錄");
        Object userId = checkUser(session);
        if (userId != null) {
            logger.info("獲取用戶信息");
            User user = userService.get(Integer.parseInt(userId.toString()));
            map.put("user", user);
        }
        logger.info("獲取產品ID");
        Integer product_id = Integer.parseInt(pid);
        logger.info("獲取產品信息");
        Product product = productService.get(product_id);
        if (product == null || product.getProduct_isEnabled() == 1) {
            return "redirect:/404";
        }
        logger.info("獲取產品子信息-分類信息");
        product.setProduct_category(categoryService.get(product.getProduct_category().getCategory_id()));
        logger.info("獲取產品子信息-預覽圖片信息");
        List<ProductImage> singleProductImageList = productImageService.getList(product_id, (byte) 0, null);
        product.setSingleProductImageList(singleProductImageList);
        logger.info("獲取產品子信息-詳情圖片信息");
        List<ProductImage> detailsProductImageList = productImageService.getList(product_id, (byte) 1, null);
        product.setDetailProductImageList(detailsProductImageList);
        logger.info("獲取產品子信息-產品屬性值信息");
        List<PropertyValue> propertyValueList = propertyValueService.getList(new PropertyValue().setPropertyValue_product(product), null);
        logger.info("獲取產品子信息-分類信息對應的屬性列表");
        List<Property> propertyList = propertyService.getList(new Property().setProperty_category(product.getProduct_category()), null);
        logger.info("屬性列表和屬性值列表合並");
        for (Property property : propertyList) {
            for (PropertyValue propertyValue : propertyValueList) {
                if (property.getProperty_id().equals(propertyValue.getPropertyValue_property().getProperty_id())) {
                    List<PropertyValue> property_value_item = new ArrayList<>(1);
                    property_value_item.add(propertyValue);
                    property.setPropertyValueList(property_value_item);
                    break;
                }
            }
        }
        logger.info("獲取產品子信息-產品評論信息");
        product.setReviewList(reviewService.getListByProductId(product_id, null));
        if (product.getReviewList() != null) {
            for (Review review : product.getReviewList()) {
                review.setReview_user(userService.get(review.getReview_user().getUser_id()));
            }
        }
 
        logger.info("獲取猜你喜歡列表");
        Integer category_id = product.getProduct_category().getCategory_id();
        Integer total = productService.getTotal(new Product().setProduct_category(new Category().setCategory_id(category_id)), new Byte[]{0, 2});
        logger.info("分類ID為{}的產品總數為{}條", category_id, total);
        //生成隨機數
        int i = new Random().nextInt(total);
        if (i + 2 >= total) {
            i = total - 3;
        }
        if (i < 0) {
            i = 0;
        }
        List<Product> loveProductList = productService.getList(new Product().setProduct_category(
                new Category().setCategory_id(category_id)),
                new Byte[]{0, 2},
                null,
                new PageUtil().setCount(3).setPageStart(i)
        );
        if (loveProductList != null) {
            logger.info("獲取產品列表的相應的一張預覽圖片");
            for (Product loveProduct : loveProductList) {
                loveProduct.setSingleProductImageList(productImageService.getList(loveProduct.getProduct_id(), (byte) 0, new PageUtil(0, 1)));
            }
        }
        logger.info("獲取分類列表");
        List<Category> categoryList = categoryService.getList(null, new PageUtil(0, 3));
 
        map.put("loveProductList", loveProductList);
        map.put("categoryList", categoryList);
        map.put("propertyList", propertyList);
        map.put("product", product);
        map.put("guessNumber", i);
        map.put("pageUtil", new PageUtil(0, 10).setTotal(product.getProduct_review_count()));
        logger.info("轉到前臺-產品詳情頁");
        return "fore/productDetailsPage";
    }
 
    //按產品ID加載產品評論列表-ajax
    @Deprecated
    @ResponseBody
    @RequestMapping(value = "review/{pid}", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
    public String loadProductReviewList(@PathVariable("pid") String pid/*產品ID*/,
                                        @RequestParam Integer index/* 頁數 */,
                                        @RequestParam Integer count/* 行數 */) {
        logger.info("獲取產品ID");
        Integer product_id = Integer.parseInt(pid);
        logger.info("獲取產品評論列表");
        List<Review> reviewList = reviewService.getListByProductId(product_id, new PageUtil(index, count));
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("reviewList", JSONArray.parseArray(JSON.toJSONString(reviewList)));
 
        return jsonObject.toJSONString();
    }
 
    //按產品ID加載產品屬性列表-ajax
    @Deprecated
    @ResponseBody
    @RequestMapping(value = "property/{pid}", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
    public String loadProductPropertyList(@PathVariable("pid") String pid/*產品ID*/) {
        logger.info("獲取產品ID");
        Integer product_id = Integer.parseInt(pid);
 
        logger.info("獲取產品詳情-屬性值信息");
        Product product = new Product();
        product.setProduct_id(product_id);
        List<PropertyValue> propertyValueList = propertyValueService.getList(new PropertyValue().setPropertyValue_product(product), null);
 
        logger.info("獲取產品詳情-分類信息對應的屬性列表");
        List<Property> propertyList = propertyService.getList(new Property().setProperty_category(product.getProduct_category()), null);
 
        logger.info("屬性列表和屬性值列表合並");
        for (Property property : propertyList) {
            for (PropertyValue propertyValue : propertyValueList) {
                if (property.getProperty_id().equals(propertyValue.getPropertyValue_property().getProperty_id())) {
                    List<PropertyValue> property_value_item = new ArrayList<>(1);
                    property_value_item.add(propertyValue);
                    property.setPropertyValueList(property_value_item);
                    break;
                }
            }
        }
        JSONObject jsonObject = new JSONObject();
        jsonObject.put("propertyList", JSONArray.parseArray(JSON.toJSONString(propertyList)));
 
        return jsonObject.toJSONString();
    }
 
    //加載猜你喜歡列表-ajax
    @ResponseBody
    @RequestMapping(value = "guess/{cid}", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
    public String guessYouLike(@PathVariable("cid") Integer cid, @RequestParam Integer guessNumber) {
        logger.info("獲取猜你喜歡列表");
        Integer total = productService.getTotal(new Product().setProduct_category(new Category().setCategory_id(cid)), new Byte[]{0, 2});
        logger.info("分類ID為{}的產品總數為{}條", cid, total);
        //生成隨機數
        int i = new Random().nextInt(total);
        if (i + 2 >= total) {
            i = total - 3;
        }
        if (i < 0) {
            i = 0;
        }
        while (i == guessNumber) {
            i = new Random().nextInt(total);
            if (i + 2 >= total) {
                i = total - 3;
            }
            if (i < 0) {
                i = 0;
                break;
            }
        }
 
        logger.info("guessNumber值為{}，新guessNumber值為{}", guessNumber, i);
        List<Product> loveProductList = productService.getList(new Product().setProduct_category(
                new Category().setCategory_id(cid)),
                new Byte[]{0, 2},
                null,
                new PageUtil().setCount(3).setPageStart(i)
        );
        if (loveProductList != null) {
            logger.info("獲取產品列表的相應的一張預覽圖片");
            for (Product loveProduct : loveProductList) {
                loveProduct.setSingleProductImageList(productImageService.getList(loveProduct.getProduct_id(), (byte) 0, new PageUtil(0, 1)));
            }
        }
 
        JSONObject jsonObject = new JSONObject();
        logger.info("獲取數據成功！");
        jsonObject.put("success", true);
        jsonObject.put("loveProductList", JSONArray.parseArray(JSON.toJSONString(loveProductList)));
        jsonObject.put("guessNumber", i);
        return jsonObject.toJSONString();
    }
}

/**
 * 用戶信息管理
 */
@Controller
public class ForeUserController extends BaseController{
    @Resource(name = "addressService")
    private AddressService addressService;
    @Resource(name="userService")
    private UserService userService;
 
    //轉到前臺天貓-用戶詳情頁
    @RequestMapping(value = "userDetails", method = RequestMethod.GET)
    public String goToUserDetail(HttpSession session, Map<String,Object> map){
        logger.info("檢查用戶是否登錄");
        Object userId = checkUser(session);
        if (userId != null) {
            logger.info("獲取用戶信息");
            User user = userService.get(Integer.parseInt(userId.toString()));
            map.put("user", user);
 
            logger.info("獲取用戶所在地區級地址");
            String districtAddressId = user.getUser_address().getAddress_areaId();
            Address districtAddress = addressService.get(districtAddressId);
            logger.info("獲取市級地址信息");
            Address cityAddress = addressService.get(districtAddress.getAddress_regionId().getAddress_areaId());
            logger.info("獲取其他地址信息");
            List<Address> addressList = addressService.getRoot();
            List<Address> cityList = addressService.getList(
                    null,cityAddress.getAddress_regionId().getAddress_areaId()
            );
            List<Address> districtList = addressService.getList(null,cityAddress.getAddress_areaId());
 
            map.put("addressList", addressList);
            map.put("cityList", cityList);
            map.put("districtList", districtList);
            map.put("addressId", cityAddress.getAddress_regionId().getAddress_areaId());
            map.put("cityAddressId", cityAddress.getAddress_areaId());
            map.put("districtAddressId", districtAddressId);
            return  "fore/userDetails";
        } else {
            return "redirect:/login";
        }
    }
    //前臺天貓-用戶更換頭像
    @ResponseBody
    @RequestMapping(value = "user/uploadUserHeadImage", method = RequestMethod.POST, produces = "application/json;charset=utf-8")
    public  String uploadUserHeadImage(@RequestParam MultipartFile file, HttpSession session
    ){
        String originalFileName = file.getOriginalFilename();
        logger.info("獲取圖片原始文件名：{}", originalFileName);
        String extension = originalFileName.substring(originalFileName.lastIndexOf('.'));
        String fileName = UUID.randomUUID() + extension;
        String filePath = session.getServletContext().getRealPath("/") + "res/images/item/userProfilePicture/" + fileName;
        logger.info("文件上傳路徑：{}", filePath);
        JSONObject jsonObject = new JSONObject();
        try {
            logger.info("文件上傳中...");
            file.transferTo(new File(filePath));
            logger.info("文件上傳成功！");
            jsonObject.put("success", true);
            jsonObject.put("fileName", fileName);
        } catch (IOException e) {
            logger.warn("文件上傳失敗！");
            e.printStackTrace();
            jsonObject.put("success", false);
        }
        return jsonObject.toJSONString();
    }
    //前臺天貓-用戶詳情更新
    @RequestMapping(value="user/update",method=RequestMethod.POST,produces ="application/json;charset=utf-8")
    public String userUpdate(HttpSession session, Map<String,Object> map,
                             @RequestParam(value = "user_nickname") String user_nickname  /*用戶昵稱 */,
                             @RequestParam(value = "user_realname") String user_realname  /*真實姓名*/,
                             @RequestParam(value = "user_gender") String user_gender  /*用戶性別*/,
                             @RequestParam(value = "user_birthday") String user_birthday /*用戶生日*/,
                             @RequestParam(value = "user_address") String user_address  /*用戶所在地 */,
                             @RequestParam(value = "user_profile_picture_src", required = false)
                                         String user_profile_picture_src /* 用戶頭像*/,
                             @RequestParam(value = "user_password") String user_password/* 用戶密碼 */
    ) throws ParseException, UnsupportedEncodingException {
        logger.info("檢查用戶是否登錄");
        Object userId = checkUser(session);
        if (userId != null) {
            logger.info("獲取用戶信息");
            User user = userService.get(Integer.parseInt(userId.toString()));
            map.put("user", user);
        } else {
            return "redirect:/login";
        }
        logger.info("創建用戶對象");
        if (user_profile_picture_src != null && "".equals(user_profile_picture_src)) {
            user_profile_picture_src = null;
        }
        User userUpdate = new User()
                .setUser_id(Integer.parseInt(userId.toString()))
                .setUser_nickname(user_nickname)
                .setUser_realname(user_realname)
                .setUser_gender(Byte.valueOf(user_gender))
                .setUser_birthday(new SimpleDateFormat("yyyy-MM-dd").parse(user_birthday))
                .setUser_address(new Address().setAddress_areaId(user_address))
                .setUser_profile_picture_src(user_profile_picture_src)
                .setUser_password(user_password);
        logger.info("執行修改");
        if (userService.update(userUpdate)){
             logger.info("修改成功!跳轉到用戶詳情頁面");
             return "redirect:/userDetails";
         }
         throw new RuntimeException();
    }
}

/**
 * 地址信息管理
 */
@RestController
public class ForeAddressController extends BaseController {
    @Resource(name = "addressService")
    private AddressService addressService;
 
    //根據address_areaId獲取地址信息-ajax
    @RequestMapping(value = "address/{areaId}", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
    protected String getAddressByAreaId(@PathVariable String areaId) {
        JSONObject object = new JSONObject();
        logger.info("獲取AreaId為{}的地址信息");
        List<Address> addressList = addressService.getList(null, areaId);
        if (addressList == null || addressList.size() <= 0) {
            object.put("success", false);
            return object.toJSONString();
        }
        logger.info("獲取該地址可能的子地址信息");
        List<Address> childAddressList = addressService.getList(null, addressList.get(0).getAddress_areaId());
        object.put("success", true);
        object.put("addressList", addressList);
        object.put("childAddressList", childAddressList);
        return object.toJSONString();
    }
}