JavaWeb毕业设计-蛋糕商城系统（idea可用）

软件工程课程设计|毕业设计之蛋糕商城系统代码-基于javaweb的蛋糕商城系统-基于jsp的商品销售平台代码

前言

本次文章主要是介绍蛋糕商城系统的功能，系统分为两个角色，管理员，用户

一、系统功能

1.1 开发环境

• 开发语言：Java
• 技术：JavaWeb【Servlet】
• 数据库：MySQL
• 架构：B/S
• 源码类型： Web
• 编译工具：Idea
• 其他：jdk1.8、Tomcat9.0 、Navicat

1.2 管理员功能

登录，用户管理，商品类目管理，商品管理，节日管理，订单管理，发货

1.3 用户功能

注册，登录，修改密码，输入收货信息，搜索，查看热销商品，查看新品
加入购物车，提交订，收货

二、部分功能展示

☀️首页☀️

☀️商品展示☀️

☀️项目结构展示☀️

三、部分代码设计

3.1.商品推荐

@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) {
            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("p", p);
        request.setAttribute("type", type);
        request.getRequestDispatcher("/admin/goods_list.jsp").forward(request, response);
    }

3.2.商品推荐

@WebServlet("/admin/goods_add")
public class AdminGoodsAddServlet extends HttpServlet {
    

    private GoodsService gService = new GoodsService();
    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        DiskFileItemFactory factory=new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        try {
            List<FileItem> list = upload.parseRequest(request);
            Goods g = new Goods();
            for(FileItem item:list) {
                if(item.isFormField()) {
                    switch(item.getFieldName()) {
                    case "name":
                        g.setName(item.getString("utf-8"));
                        break;
                    case "price":
                        g.setPrice(Integer.parseInt(item.getString("utf-8")));
                        break;
                    case "intro":
                        g.setIntro(item.getString("utf-8"));
                        break;
                    case "stock":
                        g.setStock(Integer.parseInt(item.getString("utf-8")));
                        break;
                    case "typeid":
                        g.setTypeid(Integer.parseInt(item.getString("utf-8")));
                        break;
                    }
                }else {
                    if(item.getInputStream().available()<=0)continue;
                    String fileName = item.getName();
                    fileName = fileName.substring(fileName.lastIndexOf("."));
                    fileName = "/"+new Date().getTime()+fileName;
                    String path = this.getServletContext().getRealPath("/picture")+fileName;
                    System.out.println(path);
                    InputStream in = item.getInputStream();
                    FileOutputStream out = new FileOutputStream(path);
                    byte[] buffer = new byte[1024];
                    int len=0;
                    while( (len=in.read(buffer))>0 ) {
                        out.write(buffer);
                    }
                    in.close();
                    out.close();
                    item.delete();
                    switch(item.getFieldName()) {
                    case "cover":
                        g.setCover("/picture"+fileName);
                        break;
                    case "image1":
                        g.setImage1("/picture"+fileName);
                        break;
                    case "image2":
                        g.setImage2("/picture"+fileName);
                        break;
                    }
                }
            }
            gService.insert(g);
            request.getRequestDispatcher("/admin/goods_list").forward(request, response);
        } catch (FileUploadException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}

3.3.编辑商品

@WebServlet("/admin/goods_edit")
public class AdminGoodsEditServlet extends HttpServlet {
    

    private GoodsService gService = new GoodsService();
    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        DiskFileItemFactory factory=new DiskFileItemFactory();
        ServletFileUpload upload = new ServletFileUpload(factory);
        try {
            List<FileItem> list = upload.parseRequest(request);
            Goods g = new Goods();
            int pageNo =1;
            int type=0;
            for(FileItem item:list) {
                if(item.isFormField()) {
                    switch(item.getFieldName()) {
                    case "id":
                        g.setId(Integer.parseInt(item.getString("utf-8")));
                        break;
                    case "name":
                        g.setName(item.getString("utf-8"));
                        break;
                    case "price":
                        g.setPrice(Float.parseFloat(item.getString("utf-8")));
                        break;
                    case "intro":
                        g.setIntro(item.getString("utf-8"));
                        break;
                    case "cover":
                        g.setCover(item.getString("utf-8"));
                        break;
                    case "image1":
                        g.setImage1(item.getString("utf-8"));
                        break;
                    case "image2":
                        g.setImage2(item.getString("utf-8"));
                        break;
                    case "stock":
                        g.setStock(Integer.parseInt(item.getString("utf-8")));
                        break;
                    case "typeid":
                        g.setTypeid(Integer.parseInt(item.getString("utf-8")));
                        break;
                    case "pageNo":
                        pageNo=Integer.parseInt(item.getString("utf-8"));
                        break;
                    case "type":
                        type = Integer.parseInt(item.getString("utf-8"));
                        break;
                    }
                }else {
                    if(item.getInputStream().available()<=0)continue;
                    String fileName = item.getName();
                    fileName = fileName.substring(fileName.lastIndexOf("."));
                    fileName = "/"+new Date().getTime()+fileName;
                    String path = this.getServletContext().getRealPath("/picture")+fileName;
                    System.out.println(path);
                    InputStream in = item.getInputStream();
                    FileOutputStream out = new FileOutputStream(path);
                    byte[] buffer = new byte[1024];
                    int len=0;
                    while( (len=in.read(buffer))>0 ) {
                        out.write(buffer);
                    }
                    in.close();
                    out.close();
                    item.delete();
                    switch(item.getFieldName()) {
                    case "cover":
                        g.setCover("/picture"+fileName);
                        break;
                    case "image1":
                        g.setImage1("/picture"+fileName);
                        break;
                    case "image2":
                        g.setImage2("/picture"+fileName);
                        break;
                    }
                }
            }
            gService.update(g);
            request.getRequestDispatcher("/admin/goods_list?pageNo="+pageNo+"&type="+type).forward(request, response);
        } catch (FileUploadException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
        // TODO Auto-generated method stub
        doGet(request, response);
    }

}

总结

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