基于javaweb的JSP+Servlet婚品婚纱商城系统(java+servlet+jsp+javascript+mysql)

运行环境

Java≥8、MySQL≥5.7、Tomcat≥8

开发工具

eclipse/idea/myeclipse/sts等均可配置运行

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

功能说明

基于javaweb的JSP+Servlet婚品婚纱商城系统(java+servlet+jsp+javascript+mysql)

一、项目运行

运行环境

jdk8+tomcat8+mysql+IntelliJ IDEA（ Eclispe , MyEclispe ,Sts 都支持，代码与开发环境运行无关啦，只需要调整环境即可）

项目技术 

Servlet、JSP 、、MySQL 、 Ajax 、JavaScript、CSS、等等

    orders.setUser(user);

    //从会话中的购物车获取了所有的购物项
    Map<String, CartItem> cartMap = cart.getMap();
    for (Map.Entry<String, CartItem> entry : cartMap.entrySet()) {
        CartItem cartItem = entry.getValue();

        //创建订单明细
        OrderItem orderItem = new OrderItem();

        //设置明细编号
        orderItem.setItemid(CommonUtils.getUUID().replaceAll("-", ""));
        //设置购买数量
        orderItem.setCount(cartItem.getBuyNum());
        //设置小计
        orderItem.setSubtotal(cartItem.getSubTotal());
        //设置购买商品信息
        orderItem.setProduct(cartItem.getProduct());
        //设置所属订单
        orderItem.setOrders(orders);

        //设置订单中的多个订单明细
        orders.getItemsList().add(orderItem);
    }

    //提交订单
    boolean flag = service.submitOrder(orders);
    if (flag) {
        //提交成功
        session.setAttribute("orders", orders);
        response.sendRedirect("order.jsp");
    } else {
        //提交失败
        request.setAttribute("msg", "当前订单提交失败，请重新提交");
        request.getRequestDispatcher("cart.jsp").forward(request, response);
    }

}


//确认订单

//时间转换器：将String-->Date
ConvertUtils.register(new Converter() {
    @Override
    public Object convert(Class type, Object o) {
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
        Date date = null;
        try {
            date = sdf.parse(o.toString());
        } catch (ParseException e) {
            e.printStackTrace();
        }
        return date;
    }
}, Date.class);

try {
    //给user对象依次赋值属性
    BeanUtils.populate(user,map);
} catch (IllegalAccessException e) {
    e.printStackTrace();
} catch (InvocationTargetException e) {
    e.printStackTrace();
}

//uid 用户编号
String uid = CommonUtils.getUUID().replaceAll("-","");
user.setUid(uid);

//code  激活码
String code  = CommonUtils.getUUID().replaceAll("-","");
user.setCode(code);

//将密码加密存储
user.setPassword(MD5Utils.md5(user.getPassword()));

//执行service中的注册逻辑
boolean flag = service.regist(user);
if(flag){
    //注册成功，跳转到registSuccess.jsp
    //发送邮件（包含激活码）
    String emailMsg = "恭喜您注册成功，请复制此链接打开激活" +
            "http://localhost:8888/user?method=active&code="+code+"'";
    try {

    String[] title = {"商品编号", "商品名称", "商品描述", "商品价格", "商品图片", "商品日期"};
    String[] prop = {"pid", "pname", "pdesc", "shop_price", "pimage", "pdate"};
    //excel的名字
    String fileName = "goods.xls";
    //sheet页的名字
    String sheetName = "商品详情";
    //当前页码
    int pageNow = Integer.parseInt(request.getParameter("pageNow"));
    //数据
    List<Product> goods = service.findAll("product", "", pageNow).getList();

    HSSFWorkbook wb = ExcelUtil.getHSSFWorkbook(sheetName, title, prop, goods, null);

    //输出文件
    response.setContentType("application/octet-stream;charset=utf-8");
    response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
    response.addHeader("Pargam", "no-cache");
    response.addHeader("Cache-Control", "no-cache");
    OutputStream os = response.getOutputStream();
    wb.write(os);
    os.flush();
    os.close();
}

//首页
public void showIndex(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    List<HomeVO> list = service.findNumByMonth();
    Gson gson = new Gson();
    String json = gson.toJson(list);
    response.getWriter().write(json);
}

//添加和修改商品类别
public void updateCategory(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String code = request.getParameter("code");
    Category category = new Category();
    if (code.equals("add")) {  //添加商品类别
        category.setCid(CommonUtils.getUUID().replace("-", ""));
    } else if (code.equals("update")) {
        category.setCid(request.getParameter("cid"));
    }
    category.setCname(request.getParameter("cname"));
    service.updateCategory(code, category);

    public void index(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        //热门商品
        List<Product> productsHot = service.viewHot();
        request.setAttribute("productsHot",productsHot);

        //跳转至index.jsp
        request.getRequestDispatcher("index.jsp").forward(request,response);

    }

    //查看商品列表
    public void viewProductListByCid(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

        //从请求参数中获取当前页
        String page = request.getParameter("pageNow");
        int pageNow = 1;  //默认查询第一页
        if(page!=null){
            pageNow = Integer.parseInt(page);
        }

        //从请求参数中获取查询条件  pname  cid
        String pname = request.getParameter("pname");
        if(pname==null){
            pname = "";  //默认查询所有
        }

        String cid = request.getParameter("cid");

//        执行service的分页方法
        PageVO<Product> vo = service.viewProductListByCid(cid, pname, pageNow);

        //将vo传递到页面中
        request.setAttribute("vo",vo);
        request.setAttribute("cid",cid);

        request.getRequestDispatcher("shop.jsp").forward(request,response);

    }


    //通过ID编号查询商品信息
    public void viewProductById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    //若是第一次从会话中获取购物车
    if(cart==null){
        cart = new Cart();
    }

    double newSubTotal = subTotal;

    //获取会话中购物车明细
    Map<String, CartItem> cartItemMap = cart.getMap();

    //当前会话中是否存在正在添加的商品
    if(cartItemMap.containsKey(pid)){
        int oldNum = cartItemMap.get(pid).getBuyNum();
        //合并后的总数量
        buyNum += oldNum;
        //当前合并后，重新计算小计
        newSubTotal = buyNum * product.getShop_price();
    }


    //封装CartItem购物车明细
    CartItem cartItem = new CartItem(product,buyNum,newSubTotal);

    //封装购物车
    cartItemMap.put(pid,cartItem);
    //将购物车明细添加进来
    cart.setMap(cartItemMap);
    //将总金额添加进来
    double total = cart.getTotal() + subTotal;
    cart.setTotal(total);

    session.setAttribute("cart",cart);
    response.sendRedirect("cart.jsp");
}

//删除当前购物项
public void delCart(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    String pid = request.getParameter("pid");

    //1.从会话中获取购物车
    HttpSession session = request.getSession();

    HttpSession session = request.getSession();
    session.invalidate();
    response.sendRedirect(request.getContextPath() + "/admin/adminlogin.jsp");
}

//查询所有(会员查询所有、商品查询所有、订单查询所有)
public void findAll(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    String page = request.getParameter("pageNow");
    String query = request.getParameter("query");

    int pageNow = 1;
    if (page != null) {
        pageNow = Integer.parseInt(page);
    }
    if (query == null) {
        query = "";
    }

    String code = request.getParameter("code");
    PageVO vo = service.findAll(code, query, pageNow);

    request.setAttribute("vo", vo);
    request.setAttribute("query", query);

    switch (code) {
        case "user":
            //若code是user时，跳转到会员管理界面
            request.getRequestDispatcher(request.getContextPath() + "/admin/user/user.jsp").forward(request, response);
            break;
        case "product":
            //若code是product时，跳转到商品管理界面
            request.getRequestDispatcher(request.getContextPath() + "/admin/product/product.jsp").forward(request, response);
            break;
        case "order":
            //若code是order时，跳转到订单管理界面
            request.getRequestDispatcher(request.getContextPath() + "/admin/order/order.jsp").forward(request, response);
            break;
        case "category":
            //若code是order时，跳转到订单管理界面
            request.getRequestDispatcher(request.getContextPath() + "/admin/category/category.jsp").forward(request, response);
            break;
    }
}

//查询单个
public void findOneById(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    /**
     * code的值：user、product、order
     * 1.若code是user时，通过会员编号查询会员及拥有的订单信息

---

项目链接：
https://javayms.github.io?id=271023491103200ye
https://javayms.pages.dev?id=271023491103200ye