欧美bbbwbbbw肥妇,免费乱码人妻系列日韩,一级黄片

Java實(shí)戰(zhàn)之小蜜蜂擴(kuò)音器網(wǎng)上商城系統(tǒng)的實(shí)現(xiàn)

 更新時(shí)間:2022年03月07日 10:48:37   作者:qq_1334611189  
這篇文章主要介紹了如何利用Java實(shí)現(xiàn)簡(jiǎn)單的小蜜蜂擴(kuò)音器網(wǎng)上商城系統(tǒng),文中采用到的技術(shù)有JSP、Servlet?、JDBC、Ajax等,感興趣的可以動(dòng)手試一試

一、項(xiàng)目簡(jiǎn)述

用戶功能模塊: 用戶注冊(cè): 用戶登錄:商品模塊:訂單模塊;后臺(tái)管理系統(tǒng)功能:管理員模塊: 商品模塊:訂單管理模塊 ;

二、項(xiàng)目運(yùn)行

1.運(yùn)行環(huán)境

JDK1.8+Tomcat8.5+MYSQL+Eclispe(Eclispe,MyEclispe,Sts,IntelliJ IDEA都支持,小伙伴自行配置即可)

2.技術(shù)棧

JSP + Servlet + JDBC + Ajax + JavaScript + CSS + +DBUtil 等等

三、效果圖

四、核心代碼

用戶管理控制層

public class UserServlet extends BaseBackServlet {
 
    @Override
    public String add(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 UserServlet add方法");
        return null;
    }
 
    @Override
    public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 UserServlet delete方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        userDAO.delete(id);
        return "@admin_user_list";
    }
 
    @Override
    public String update(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 UserServlet update方法");
 
        Map<String, String> params = new HashMap<>();
        InputStream is = super.parseUpload(request, params);
        System.out.println(params);
 
        int id = Integer.parseInt(params.get("id"));
        String password = params.get("password");
 
        User user = userDAO.get(id);
        user.setPassword(password);
 
        userDAO.update(user);
 
        return "@admin_user_list";
    }
 
    @Override
    public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 UserServlet edit方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        User u = userDAO.get(id);
 
        request.setAttribute("u", u);
 
        return "admin/editUser.jsp";
    }
 
    @Override
    public String list(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 UserServlet list方法");
 
        List<User> us = userDAO.list(page.getStart(), page.getCount());
        int total = userDAO.getTotal();
        page.setTotal(total);
 
        request.setAttribute("us", us);
        request.setAttribute("page", page);
 
        return "admin/listUser.jsp";
    }
}

訂單管理控制層

public class OrderServlet extends BaseBackServlet {
 
    @Override
    public String add(HttpServletRequest request, HttpServletResponse response, Page page) {
        return null;
    }
 
    @Override
    public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {
        return null;
    }
 
    @Override
    public String update(HttpServletRequest request, HttpServletResponse response, Page page) {
        return null;
    }
 
    @Override
    public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {
        return null;
    }
 
    public String delivery(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 OrderServlet delivery方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        Order o = orderDAO.get(id);
        o.setDeliveryDate(new Date());
        o.setStatus(OrderDAO.waitConfirm);
        orderDAO.update(o);
        return "@admin_order_list";
    }
 
    @Override
    public String list(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了 OrderServlet list方法");
 
        // 對(duì)訂單對(duì)應(yīng)的訂單項(xiàng)進(jìn)行初始化
        List<Order> os = orderDAO.list(page.getStart(), page.getCount());
        orderItemDAO.fill(os);
 
        int total = orderDAO.getTotal();
        page.setTotal(total);
 
        request.setAttribute("os", os);
        request.setAttribute("page", page);
 
        return "admin/listOrder.jsp";
    }
}

品類控制層

public class CategoryServlet extends BaseBackServlet {
 
    @Override
    public String add(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了category add方法");
 
        Map<String,String> params = new HashMap<>();
        InputStream is = super.parseUpload(request, params);
 
        System.out.println(params);
        String name = params.get("name");
        Category c = new Category();
        c.setName(name);
        categoryDAO.add(c);
 
        File imageFolder = new File(request.getSession().getServletContext().getRealPath("img/category"));
        File file = new File(imageFolder, c.getId() + ".jpg");
 
        try{
            if(null != is && 0 != is.available()){
                try(
                        FileOutputStream fos = new FileOutputStream(file);
                        ){
                    byte[] b = new byte[1024 * 1024];
                    int length = 0;
                    while(-1 != (length = is.read(b))){
                        fos.write(b, 0, length);
                    }
                    fos.flush();
                    //通過以下代碼,將文件保存為jsp格式
                    BufferedImage img = ImageUtil.change2jpg(file);
                    ImageIO.write(img, "jpg", file);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "@admin_category_list";
    }
 
    @Override
    public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了category delete方法");
        int id = Integer.parseInt(request.getParameter("id"));
        categoryDAO.delete(id);
        return "@admin_category_list";
    }
 
    @Override
    public String update(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了category update方法");
 
        Map<String,String> params = new HashMap<>();
        InputStream is = super.parseUpload(request, params);
 
        System.out.println(params);
        String name = params.get("name");
        int id = Integer.parseInt(params.get("id"));
 
        Category c = new Category();
        c.setName(name);
        c.setId(id);
        categoryDAO.update(c);
 
        File imageFolder = new File(request.getSession().getServletContext().getRealPath("img/category"));
        File file = new File(imageFolder, c.getId() + ".jpg");
 
        try{
            if(null != is && 0 != is.available()){
                try(
                        FileOutputStream fos = new FileOutputStream(file);
                ){
                    byte[] b = new byte[1024 * 1024];
                    int length = 0;
                    while(-1 != (length = is.read(b))){
                        fos.write(b, 0, length);
                    }
                    fos.flush();
                    //通過以下代碼,將文件保存為jsp格式
                    BufferedImage img = ImageUtil.change2jpg(file);
                    ImageIO.write(img, "jpg", file);
                }
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
        return "@admin_category_list";
    }
 
    @Override
    public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了category edit方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        Category category = categoryDAO.get(id);
        request.setAttribute("c", category);
        return "admin/editCategory.jsp";
    }
 
    @Override
    public String list(HttpServletRequest request, HttpServletResponse response, Page page) {
        List<Category> cs = categoryDAO.list(page.getStart(), page.getCount());
        int total = categoryDAO.getTotal();
        page.setTotal(total);
 
        request.setAttribute("thecs", cs);
        request.setAttribute("page", page);
 
        return "admin/listCategory.jsp";
    }
}

產(chǎn)品控制層

public class ProductServlet extends BaseBackServlet {
 
    @Override
    public String add(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了Product add方法");
 
        Map<String, String> params = new HashMap<>();
        InputStream inputStream = super.parseUpload(request, params);
        System.out.println(params);
 
        int cid = Integer.parseInt(params.get("cid"));
        Category c = categoryDAO.get(cid);
 
        String name = params.get("name");
        String subTitle = params.get("subTitle");
        float originalPrice = Float.parseFloat(params.get("originalPrice"));
        float promotePrice = Float.parseFloat(params.get("promotePrice"));
        int stock = Integer.parseInt(params.get("stock"));
 
        Product p = new Product();
 
        p.setCategory(c);
        p.setName(name);
        p.setSubTitle(subTitle);
        p.setOriginalPrice(originalPrice);
        p.setPromotePrice(promotePrice);
        p.setStock(stock);
        p.setCreateDate(new Date());
 
        productDAO.add(p);
        return "@admin_product_list?cid=" + cid;
    }
 
    @Override
    public String delete(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了Product delete方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        Product p = productDAO.get(id);
        productDAO.delete(id);
        return "@admin_product_list?cid=" + p.getCategory().getId();
    }
 
    @Override
    public String update(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了Product update方法");
 
        Map<String, String> params = new HashMap<>();
        InputStream inputStream = super.parseUpload(request, params);
 
        int cid = Integer.parseInt(params.get("cid"));
        Category c = categoryDAO.get(cid);
 
        int id = Integer.parseInt(params.get("id"));
        String name = params.get("name");
        String subTitle = params.get("subTitle");
        float originalPrice = Float.parseFloat(params.get("originalPrice"));
        float promotePrice = Float.parseFloat(params.get("promotePrice"));
        int stock = Integer.parseInt(params.get("stock"));
 
        Product p = new Product();
 
        p.setId(id);
        p.setName(name);
        p.setSubTitle(subTitle);
        p.setOriginalPrice(originalPrice);
        p.setPromotePrice(promotePrice);
        p.setStock(stock);
        p.setCategory(c);
        p.setCreateDate(new Date());
 
        productDAO.update(p);
        return "@admin_product_list?cid=" + p.getCategory().getId();
    }
 
    @Override
    public String edit(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了Product edit方法");
 
        int id =Integer.parseInt(request.getParameter("id"));
        Product p = productDAO.get(id);
        request.setAttribute("p",p);
        return "admin/editProduct.jsp";
    }
 
    public String updatePropertyValue(HttpServletRequest request, HttpServletResponse response, Page page){
        System.out.println("調(diào)用了Product updatePropertyValue方法");
 
        int  pvid = Integer.parseInt(request.getParameter("pvid"));
        String value = request.getParameter("value");
 
        PropertyValue pv = propertyValueDAO.get(pvid);
        pv.setValue(value);
 
        propertyValueDAO.update(pv);
 
        return "%success";
    }
 
    public String editPropertyValue(HttpServletRequest request, HttpServletResponse response, Page page){
        System.out.println("調(diào)用了Product editPropertyValue方法");
 
        int id = Integer.parseInt(request.getParameter("id"));
        Product p = productDAO.get(id);
        request.setAttribute("p", p);
 
        // 初始化屬性,將產(chǎn)品對(duì)應(yīng)的屬性全部
        propertyValueDAO.init(p);
 
        List<PropertyValue> pvs = propertyValueDAO.list(p.getId());
 
        request.setAttribute("pvs", pvs);
 
        return "admin/editPropertyValue.jsp";
    }
 
    @Override
    public String list(HttpServletRequest request, HttpServletResponse response, Page page) {
        System.out.println("調(diào)用了Product list方法");
 
        int cid = Integer.parseInt(request.getParameter("cid"));
        Category c = categoryDAO.get(cid);
 
        List<Product> ps = productDAO.list(cid, page.getStart(), page.getCount());
 
        int total = productDAO.getTotal(cid);
        page.setTotal(total);
        page.setParam("&cid=" + c.getId());
 
        request.setAttribute("ps", ps);
        request.setAttribute("c", c);
        request.setAttribute("page", page);
 
        return "admin/listProduct.jsp";
    }
}

以上就是Java實(shí)戰(zhàn)之小蜜蜂擴(kuò)音器網(wǎng)上商城系統(tǒng)的實(shí)現(xiàn)的詳細(xì)內(nèi)容,更多關(guān)于Java網(wǎng)上商城系統(tǒng)的資料請(qǐng)關(guān)注腳本之家其它相關(guān)文章!

相關(guān)文章

  • Java數(shù)據(jù)結(jié)構(gòu)與算法入門實(shí)例詳解

    Java數(shù)據(jù)結(jié)構(gòu)與算法入門實(shí)例詳解

    這篇文章主要介紹了Java數(shù)據(jù)結(jié)構(gòu)與算法入門實(shí)例詳解,本文給大家介紹的非常詳細(xì),對(duì)大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值,需要的朋友可以參考下
    2021-03-03
  • 如何避免Apache?Beanutils屬性copy

    如何避免Apache?Beanutils屬性copy

    這篇文章主要為大家介紹了如何避免Apache?Beanutils屬性copy的分析詳解,有需要的朋友可以借鑒參考下,希望能夠有所幫助,祝大家多多進(jìn)步,早日升職加薪
    2023-01-01
  • Java怎么重命名?Amazon?S3?中的文件和文件夾

    Java怎么重命名?Amazon?S3?中的文件和文件夾

    在本文中,我們探討了使用適用于 Java 的 AWS 開發(fā)工具包重命名 S3 存儲(chǔ)桶中的文件和文件夾的方法,我們探索了兩種不同的情況,它們使用相同的概念來重命名對(duì)象,用新名稱復(fù)制它們并刪除原始名稱
    2023-10-10
  • Java的無參構(gòu)造函數(shù)用法實(shí)例分析

    Java的無參構(gòu)造函數(shù)用法實(shí)例分析

    這篇文章主要介紹了Java的無參構(gòu)造函數(shù)用法,結(jié)合實(shí)例形式分析了java無參構(gòu)造函數(shù)基本原理、用法及相關(guān)操作注意事項(xiàng),需要的朋友可以參考下
    2019-09-09
  • Spring中的@ConfigurationProperties在方法上的使用詳解

    Spring中的@ConfigurationProperties在方法上的使用詳解

    這篇文章主要介紹了Spring中的@ConfigurationProperties在方法上的使用詳解,@ConfigurationProperties應(yīng)該經(jīng)常被使用到,作用在類上的時(shí)候,將該類的屬性取值?與配置文件綁定,并生成配置bean對(duì)象,放入spring容器中,提供給其他地方使用,需要的朋友可以參考下
    2024-01-01
  • 深入理解Maven的坐標(biāo)與依賴

    深入理解Maven的坐標(biāo)與依賴

    這篇文章主要介紹了深入理解Maven的坐標(biāo)與依賴,小編覺得挺不錯(cuò)的,現(xiàn)在分享給大家,也給大家做個(gè)參考。一起跟隨小編過來看看吧
    2019-01-01
  • OpenFeign服務(wù)接口調(diào)用的過程詳解

    OpenFeign服務(wù)接口調(diào)用的過程詳解

    Feign是一個(gè)聲明式WebService客戶端。使用Feign能讓編寫Web?Service客戶端更加簡(jiǎn)單。它的使用方法是定義一個(gè)服務(wù)接口然后在上面添加注解,這篇文章主要介紹了OpenFeign服務(wù)接口調(diào)用,需要的朋友可以參考下
    2022-10-10
  • 關(guān)于SpringMVC對(duì)Restful風(fēng)格的支持詳解

    關(guān)于SpringMVC對(duì)Restful風(fēng)格的支持詳解

    Restful就是一個(gè)資源定位及資源操作的風(fēng)格,不是標(biāo)準(zhǔn)也不是協(xié)議,只是一種風(fēng)格,是對(duì)http協(xié)議的詮釋,下面這篇文章主要給大家介紹了關(guān)于SpringMVC對(duì)Restful風(fēng)格支持的相關(guān)資料,需要的朋友可以參考下
    2022-01-01
  • idea web項(xiàng)目沒有小藍(lán)點(diǎn)的的兩種解決方法

    idea web項(xiàng)目沒有小藍(lán)點(diǎn)的的兩種解決方法

    本文主要介紹了idea web項(xiàng)目沒有小藍(lán)點(diǎn)的的兩種解決方法,文中通過示例代碼介紹的非常詳細(xì),對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧
    2022-07-07
  • springboot項(xiàng)目配置多個(gè)kafka的示例代碼

    springboot項(xiàng)目配置多個(gè)kafka的示例代碼

    這篇文章主要介紹了springboot項(xiàng)目配置多個(gè)kafka,本文通過示例代碼給大家介紹的非常詳細(xì),對(duì)大家的學(xué)習(xí)或工作具有一定的參考借鑒價(jià)值,需要的朋友可以參考下
    2023-04-04

最新評(píng)論