基于javaweb+jsp的蛋糕商城系统(java+JDBC+Servlet+HTML+Ajax+mysql+Fileupload)
一、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：
Jdbc+ Servlert + html+ css + JavaScript + JQuery + Ajax + Fileupload等等

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

            request.getSession().setAttribute("user", user);request.getRequestDispatcher("/user_center.jsp").forward(request, response);}}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")
public class OrderSubmitServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {if(request.getSession().getAttribute("user")!=null) {request.getRequestDispatcher("/order_submit.jsp").forward(request, response);}else {request.setAttribute("failMsg", "请登录后，再提交订单！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}}
}
后台管理员控制层：

            pageNumber=1;Page p = gService.getGoodsRecommendPage(type, pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = gService.getGoodsRecommendPage(type, pageNumber);}}request.setAttribute("p", p);request.setAttribute("type", type);request.getRequestDispatcher("/admin/goods_list.jsp").forward(request, response);}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}

        int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = gService.getGoodsRecommendPage(type, pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){

        if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = uService.getUserPage(pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){

    }protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")
public class OrderSubmitServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {if(request.getSession().getAttribute("user")!=null) {request.getRequestDispatcher("/order_submit.jsp").forward(request, response);}else {request.setAttribute("failMsg", "请登录后，再提交订单！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}}
}
后台管理员控制层：
@WebServlet(name = "admin_user_list",urlPatterns = "/admin/user_list")

        }}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")
public class OrderSubmitServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {}protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {if(request.getSession().getAttribute("user")!=null) {request.getRequestDispatcher("/order_submit.jsp").forward(request, response);}else {request.setAttribute("failMsg", "请登录后，再提交订单！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}}
}
后台管理员控制层：
@WebServlet(name = "admin_user_list",urlPatterns = "/admin/user_list")
public class AdminUserListServlet extends HttpServlet {private UserService uService = new UserService();

            {}}if(pageNumber<=0)pageNumber=1;Page p = uService.getUserPage(pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = uService.getUserPage(pageNumber);}}request.setAttribute("p", p);request.getRequestDispatcher("/admin/user_list.jsp").forward(request, response);}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);}

        int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = gService.getGoodsRecommendPage(type, pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = gService.getGoodsRecommendPage(type, pageNumber);}}

        request.setAttribute("type", type);request.getRequestDispatcher("/admin/goods_list.jsp").forward(request, response);}/*** @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)*/protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {// TODO Auto-generated method stubdoGet(request, response);}
}
用户登录控制层：
@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);

        int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}if(pageNumber<=0)pageNumber=1;Page p = uService.getUserPage(pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = uService.getUserPage(pageNumber);}}request.setAttribute("p", p);

            p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = uService.getUserPage(pageNumber);}}request.setAttribute("p", p);request.getRequestDispatcher("/admin/user_list.jsp").forward(request, response);}@Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);}
}
后台管理商品控制层：
@WebServlet(name = "admin_goods_list",urlPatterns = "/admin/goods_list")
public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse 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 {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")

    }
}
后台管理商品控制层：
@WebServlet(name = "admin_goods_list",urlPatterns = "/admin/goods_list")
public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {

    private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}

    @Overrideprotected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {this.doGet(req, resp);}
}
后台管理商品控制层：
@WebServlet(name = "admin_goods_list",urlPatterns = "/admin/goods_list")
public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {

            request.getRequestDispatcher("/order_submit.jsp").forward(request, response);}else {request.setAttribute("failMsg", "请登录后，再提交订单！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}}
}
后台管理员控制层：
@WebServlet(name = "admin_user_list",urlPatterns = "/admin/user_list")
public class AdminUserListServlet extends HttpServlet {private UserService uService = new UserService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;

    /*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}}

            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 {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")

}
后台管理商品控制层：
@WebServlet(name = "admin_goods_list",urlPatterns = "/admin/goods_list")
public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型

        }if(pageNumber<=0)pageNumber=1;Page p = uService.getUserPage(pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = uService.getUserPage(pageNumber);}}request.setAttribute("p", p);request.getRequestDispatcher("/admin/user_list.jsp").forward(request, response);}

        if(request.getSession().getAttribute("user")!=null) {request.getRequestDispatcher("/order_submit.jsp").forward(request, response);}else {request.setAttribute("failMsg", "请登录后，再提交订单！");request.getRequestDispatcher("/user_login.jsp").forward(request, response);}}
}
后台管理员控制层：
@WebServlet(name = "admin_user_list",urlPatterns = "/admin/user_list")
public class AdminUserListServlet extends HttpServlet {private UserService uService = new UserService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e)

public class AdminGoodsListServlet extends HttpServlet {private GoodsService gService = new GoodsService();/*** @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)*/protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {int type = 0;//推荐类型if(request.getParameter("type") != null) {type=Integer.parseInt(request.getParameter("type") ) ;}int pageNumber = 1;if(request.getParameter("pageNumber") != null) {try {pageNumber=Integer.parseInt(request.getParameter("pageNumber") ) ;}catch (Exception e){}

            pageNumber=1;Page p = gService.getGoodsRecommendPage(type, pageNumber);if(p.getTotalPage()==0){p.setTotalPage(1);p.setPageNumber(1);}else {if(pageNumber>=p.getTotalPage()+1){p = gService.getGoodsRecommendPage(type, pageNumber);}}request.setAttribute("p", p);request.setAttribute("type", type);

            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 {}
}
订单提交控制层：
@WebServlet(name = "order_submit",urlPatterns = "/order_submit")
public class OrderSubmitServlet extends HttpServlet {protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

    }
}
用户登录控制层：
@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 {}

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