Java项目:在线蛋糕商城系统(java+jsp+jdbc+mysql)

一、项目简述

功能： 主页显示热销商品；所有蛋糕商品展示，可进行商品搜 索；点击商品进入商品详情页，具有立即购买和加入购物 车功能，可增减购买商品数量亦可手动输入（同时验证库 存），热销商品展示。立即购买进入确认订单页面，可选择 已经添加的地址，亦可新增地址。（同时验证库存），可选 择购买哪些商品，可删除不需要的商品。点击结算进入确 认订单页面，确认后提交订单。后台管理：（修改密码 等），商品管理（商品批量添加、上下架等），订单管理。

二、项目运行

环境配置： Jdk1.8 + Tomcat8.5 + mysql + Eclispe （ IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持）

项目技术： JSP + C3P0+ Servlert + html+ css + JavaScript + JQuery + Ajax + Fileupload

用户登录模块代码: 

用户登录模块:

@WebServlet(name = "user_login",urlPatterns = "/user_login")
public class UserLoginServlet extends HttpServlet {
    private UserService uService = new UserService();
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        String ue = request.getParameter("ue");
        String password = request.getParameter("password");
        User user = uService.login(ue, password);
        if(user==null) {
            request.setAttribute("failMsg", "用户名、邮箱或者密码错误，请重新登录！");
            request.getRequestDispatcher("/user_login.jsp").forward(request, response);
        }else {
            request.getSession().setAttribute("user", user);
            request.getRequestDispatcher("/user_center.jsp").forward(request, response);
        }
    }

    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }
}

 管理员添加用户代码:

管理员添加用户:

@WebServlet(name = "admin_user_add",urlPatterns = "/admin/user_add")
public class AdminUserAddServlet extends HttpServlet {
    private UserService uService = new UserService();
    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        User user = new User();
        try {
            BeanUtils.copyProperties(user, request.getParameterMap());
        } catch (IllegalAccessException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (InvocationTargetException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        if(uService.register(user)) {
            request.setAttribute("msg", "客户添加成功！");
            request.getRequestDispatcher("/admin/user_list").forward(request, response);
        }else {
            request.setAttribute("failMsg", "用户名或邮箱重复，请重新填写！");
            request.setAttribute("u",user);
            request.getRequestDispatcher("/admin/user_add.jsp").forward(request, response);
        }
    }
}