JavaWeb定制化开发定制化开发在线商城系统
JavaWeb定制化开发在线商城开发知识总结(java+jsp+servlet+MySQL+jdbc+css+js+jQuery)
这个基于JavaWeb定制化开发的在线商城项目是我们定制化开发专业这学期期末实训的项目
定制化开发项目视频演示
定制化开发期末实训项目-JavaWeb在线商城系统(java+jsp+servlet+MySQL+jdbc+css+js+jQuery)
定制化开发获取项目数据和数据库：
定制化开发项目代码及数据库下载链接
gitee链接：
GitHub：
定制化开发项目资源和数据库
定制化开发项目结构图
定制化开发数据库设计
定制化开发前端界面设计
商城首页
商城首页.html
<!DOCTYPE html><html> <head> <meta charset="utf-8" /> <title>定制化开发实训在线商城</title> <link rel="stylesheet" type="text/css" href="css/public.css"/> <link rel="stylesheet" type="text/css" href="css/shouye.css"/> <script src="js/jquery-3.6.0.js" type="text/javascript" charset="utf-8"></script> <script src="js/front_page.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div class="head"> <div class="head_zi"> <div class="huan"> ,欢迎您 </div> <div class="car"> <a href="购物车界面.html"><img src="images/购物车.png" height="28px"> <span>购物车</span> </a> </div> <div class="login"> <div><a href="注册.html">登录</a></div> <div><a href="注册.html">注册</a></div> </div> </div> </div> <!--搜索框--> <div class="search_kuang"> <div class="search"> <input type="text" class="text"> <button><img src="images/搜索图标.png" width="40px"></button> </div> </div> <div class="shop"> <div class="lunbo" > <span class="right" id="right"></span> <span class="left" id="left"></span> <div id="lunbo" > <div> <a href="#"><img src="images/mi11.png" ></a> </div> <div> <a href="#"><img src="images/pingban5.png" ></a> </div> <div> <a href="#"><img src="images/450ebe4e2420eba7064b6ce08b2fc503.jpg"></a> </div> <div> <a href="#"><img src="images/3e34ddd6b7bcbfb90ed09e871d291593.png" ></a> </div> <div> <a href="#"><img src="images/f89261d8655d76f2ab2340e4a3738678.jpg"></a> </div> </div> </div> <div class="nei"> <div class="box_tit w"> <h2 class="title">手机</h2> <div class="nei_pohot"> <ul> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/63e15f377e87212d460592b4a1369ccd.jpg" > </div> <div class="na">Xiaomi 12X</div> <p>￥3199</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/a7382271e3a677bf188679ca38d68a42.jpg" > </div> <div class="na">Xiaomi 12 Pro</div> <p>￥4699</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/0d4b362431de4bdda03315ffdbc7b32a.jpg" > </div> <div class="na"> Xiaomi 11 青春活力版 </div> <p>￥1999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/6d0a3e7acc3e91e2cfd83dbbe1d1c029.jpg" > </div> <div class="na"> Redmi Note 11 Pro系列 </div> <p>￥1799</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/63e15f377e87212d460592b4a1369ccd.jpg" > </div> <div class="na">Xiaomi 12X</div> <p>￥3199</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/a7382271e3a677bf188679ca38d68a42.jpg" > </div> <div class="na">Xiaomi 12 Pro</div> <p>￥4699</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/0d4b362431de4bdda03315ffdbc7b32a.jpg" > </div> <div class="na"> Xiaomi 11 青春活力版 </div> <p>￥1999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/phone/6d0a3e7acc3e91e2cfd83dbbe1d1c029.jpg" > </div> <div class="na"> Redmi Note 11 Pro系列 </div> <p>￥1799</p> </a> </li> </ul> </div> </div> <div class="box_tit w"> <h2 class="title">电脑</h2> <div class="nei_pohot"> <ul> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/dbeee1b261367546.jpg" > </div> <div class="na">微星(MSI)PRO 电脑主板</div> <p>￥3629</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/8079c5b8a20b6eb7.jpg" > </div> <div class="na">新品英特尔酷睿12代</div> <p>￥1999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/O1CN01XdmjpR1IOuqoGgg5r_!!2616970884.jpg" > </div> <div class="na"> 笔记本电脑小新Air14 银 </div> <p>￥4399</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/f063016c41fa50de.jpg" > </div> <div class="na"> 索尼（SONY）playstation5 </div> <p>￥5099</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/dbeee1b261367546.jpg" > </div> <div class="na">微星(MSI)PRO 电脑主板</div> <p>￥3629</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/8079c5b8a20b6eb7.jpg" > </div> <div class="na">新品英特尔酷睿12代</div> <p>￥1999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/O1CN01XdmjpR1IOuqoGgg5r_!!2616970884.jpg" > </div> <div class="na"> 笔记本电脑小新Air14 银 </div> <p>￥4399</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/computer/f063016c41fa50de.jpg" > </div> <div class="na"> 索尼（SONY）playstation5 </div> <p>￥5099</p> </a> </li> </ul> </div> </div> <div class="box_tit w"> <h2 class="title">家用电器</h2> <div class="nei_pohot"> <ul> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/181a74dccd6f4a71.jpg" > </div> <div class="na"> 西门子（SIEMENS）蒸烤箱一体机嵌入式 </div> <p>￥7999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/c7c15101f2c8a652a4a0d069501d1e53.jpg" > </div> <div class="na">小米电视6 至尊版 65英寸</div> <p>￥7999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/cf71655746411c0f.jpg!cc_320x320.webp" > </div> <div class="na"> 亿田（entive）D2ZK 集成灶蒸烤一体 </div> <p>￥13800</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/33508813f3a5059d.jpg" > </div> <div class="na"> 卡萨帝（Casarte）635升四开门十字对开门冰箱 </div> <p>￥12499</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/181a74dccd6f4a71.jpg" > </div> <div class="na"> 西门子（SIEMENS）蒸烤箱一体机嵌入式 </div> <p>￥7999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/c7c15101f2c8a652a4a0d069501d1e53.jpg" > </div> <div class="na">小米电视6 至尊版 65英寸</div> <p>￥7999</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/cf71655746411c0f.jpg!cc_320x320.webp" > </div> <div class="na"> 亿田（entive）D2ZK 集成灶蒸烤一体 </div> <p>￥13800</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/home/33508813f3a5059d.jpg" > </div> <div class="na"> 卡萨帝（Casarte）635升四开门十字对开门冰箱 </div> <p>￥12499</p> </a> </li> </ul> </div> </div> <div class="box_tit w"> <h2 class="title">服饰</h2> <div class="nei_pohot"> <ul> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/16fea7d7bb3f9144.jpg" > </div> <div class="na">梵希蔓垂感卡其色西装外套女</div> <p>￥299</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/7ea39f5f4878b162.jpg" > </div> <div class="na">海青蓝时尚通勤小西服女</div> <p>￥358</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/703d1f6c28d1c818.jpg" > </div> <div class="na"> 森马卫衣男2021秋新款oversize创意图案 </div> <p>￥139</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/4cc75617291b3b63.jpg" > </div> <div class="na"> Lilbetter情侣重磅卫衣男加绒 </div> <p>￥215</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/16fea7d7bb3f9144.jpg" > </div> <div class="na">梵希蔓垂感卡其色西装外套女</div> <p>￥299</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/7ea39f5f4878b162.jpg" > </div> <div class="na">海青蓝时尚通勤小西服女</div> <p>￥358</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/703d1f6c28d1c818.jpg" > </div> <div class="na"> 森马卫衣男2021秋新款oversize创意图案 </div> <p>￥139</p> </a> </li> <li class="phone_tu"> <a href="#"> <div class="ph"> <img src="images/clothes/4cc75617291b3b63.jpg" > </div> <div class="na"> Lilbetter情侣重磅卫衣男加绒 </div> <p>￥215</p> </a> </li> </ul> </div> </div> </div> </div> <div class="nav"> <ul> <li class="current">手机</li> <li>电脑</li> <li>家居</li> <li>服饰</li> <div class="back">返回顶部</div> </ul> </div> <div class="footer"> <div class="translate"> <div class="footer-links"> <h5>购物指南</h5> <ul> <li><a href="#">购物流程</a></li> <li><a href="#">会员介绍</a></li> <li><a href="#">生活旅行</a></li> <li><a href="#">常见问题</a></li> <li><a href="#">联系客服</a></li> </ul> </div> <div class="footer-links"> <h5>支付方式</h5> <ul> <li><a href="#">信用卡</a></li> <li><a href="#">货到付款</a></li> <li><a href="#">在线付款</a></li> <li><a href="#">分期付款</a></li> </ul> </div> <div class="footer-links"> <h5>售后服务</h5> <ul> <li><a href="#">售后政策</a></li> <li><a href="#">退款说明</a></li> <li><a href="#">返修/退换货</a></li> </ul> </div> <div class="footer-links"> <h5>帮助中心</h5> <ul> <li><a href="#">账户管理</a></li> <li><a href="#">自助服务</a></li> <li><a href="#">订单操作</a></li> <li><a href="#">服务网点</a></li> <li><a href="#">授权体验店/专区</a></li> </ul> </div> <div class="footer-links"> <h5>关于我们</h5> <ul> <li><a href="#">新浪微博</a></li> <li><a href="#">官方微信</a></li> <li><a href="#">联系我们</a></li> <li><a href="#">加入我们</a></li> <li><a href="#">公益基金会</a></li> </ul> </div> </div> </div> </body></html>- 1
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登录注册页面
登录注册页面.html
<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8"> <title>在线商城注册页面</title> <link rel="stylesheet" type="text/css" href="css/public.css"/> <link rel="stylesheet" type="text/css" href="css/login.css"/> <script src="js/jquery-3.6.0.js" type="text/javascript" charset="utf-8"></script> <script src="js/jquery.validate.min.js" type="text/javascript" charset="utf-8"></script> <script src="js/login.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div class="head"> <div class="shouye_head"> <a href="商城首页.html">商城首页</a> </div> </div> <div class="dowebok" id="dowebok"> <!-- 注册 --> <div class="form-container sign-up"> <form action="#" method="get" class="register"> <h1>注册</h1> <input type="text" id="username" name="username" placeholder="请输入用户名" /> <input type="text" id="user_id" name="user_id" placeholder="账号" /> <input type="password" id="pwd" name="password" placeholder="请输入密码" /> <input type="password" id="second_pwd" name="second_pwd" placeholder="请再次输入密码" /> <input id="email" id="email" name="email" type="email" placeholder="请输入正确的邮箱格式"> <input type="text" id="birth" name="birth" placeholder="出生日期 以YYYY-MM-DD格式" /> <input type="text" id="phone" name="phone" placeholder="手机号码" /> <input type="text" id="address" name="address" placeholder="收货地址" /> <button>注册</button> </form> </div> <!-- 登录 --> <div class="form-container sign-in"> <form action="#" method="get" class="sign"> <h1>登录</h1> <input type="text" name="user_id" placeholder="账号"> <input type="password" name="password" placeholder="密码"> <a href="###">忘记密码？</a> <button>登录</button> </form> </div> <!-- 两边的蒙版 --> <div class="overlay-container"> <div class="overlay"> <!-- 登录蒙版 --> <div class="overlay-panel mask-left"> <h1>已有帐号？</h1> <p>请使用您的帐号进行登录</p> <button class="ghost" id="signIn">登录</button> </div> <!-- 注册蒙版 --> <div class="overlay-panel mask-right"> <h1>没有帐号？</h1> <p>立即注册加入我们，和我们一起开始旅程吧</p> <button class="ghost" id="signUp">注册</button> </div> </div> </div> </div> </body></html>- 1
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购物车页面
car.html
<!DOCTYPE html><html lang="en"> <head> <meta charset="UTF-8"> <title>商城购物车界面</title> <link rel="stylesheet" type="text/css" href="css/public.css"/> <link rel="stylesheet" type="text/css" href="css/carts.css"/> <script src="js/jquery-3.6.0.js" type="text/javascript" charset="utf-8"></script> <script src="js/cart.js" type="text/javascript" charset="utf-8"></script> </head> <body> <div class="head"> <div class="shouye_head"> <a href="商城首页.html">商城首页</a> </div> </div> <div class="cart"> <div class="cart-head"> <div class="column g-select"> <div class="g-checkbox"> <input type="checkbox" class="all each"> </div> 全选 </div> <div class="column g-images">图片</div> <div class="column g-goodsname">商品名称</div> <div class="column g-props">商品信息</div> <div class="column g-price">单价</div> <div class="column g-quantity">数量</div> <div class="column g-sum">小计</div> <div class="column g-action">操作</div> </div> <div class="carts-goods"> <div class="cell c-select"> <div class="c-checkbox"> <input type="checkbox" class="each"> </div> </div> <div class="cell c-images"> <a href="#" title="Vue.js全家桶零基础入门到进阶项目实战"><img src="images/carts/f84ce8d17e55cf74.jpg" alt="Vue.js全家桶零基础入门到进阶项目实战"></a> </div> <div class="cell c-goodsname"><a href="#" title="Vue.js全家桶零基础入门到进阶项目实战">Vue.js全家桶零基础入门到进阶项目实战</a></div> <div class="cell c-props">Vue.js全家桶零基础入门到进阶项目实战</div> <div class="cell c-price"> <span>￥</span> <div class="c-price_num">99.20</div> </div> <div class="cell c-quantity"> <button type="button" class="reduce">-</button> <input type="text" value="1" class="text_num"> <button type="button" class="add">+</button> </div> <div class="cell c-sum"> <span>￥</span> <div class="c-sum_num">99.20</div> </div> <div class="cell c-action"> <a href="#" class="remove">移除商品</a> </div> </div> <div class="carts-goods"> <div class="cell c-select"> <div class="c-checkbox"> <input type="checkbox" class="each"> </div> </div> <div class="cell c-images"> <a href="#" title="CSS新世界"><img src="images/carts/8e7d4ce45fdacb89.jpg" alt="CSS新世界"></a> </div> <div class="cell c-goodsname"><a href="#" title="CSS新世界">CSS新世界</a></div> <div class="cell c-props">CSS新世界</div> <div class="cell c-price"> <span >￥</span> <div class="c-price_num">108.80</div> </div> <div class="cell c-quantity"> <button type="button" class="reduce">-</button> <input type="text" value="1" class="text_num"> <button type="button" class="add">+</button> </div> <div class="cell c-sum"> <span>￥</span> <div class="c-sum_num">108.80</div> </div> <div class="cell c-action"> <a href="#" class="remove">移除商品</a> </div> </div> <div class="carts-goods"> <div class="cell c-select"> <div class="c-checkbox"> <input type="checkbox" class="each"> </div> </div> <div class="cell c-images"> <a href="book.html" title="CSS世界(异步图书出品)"><img src="images/188b8e81859a3051.jpg" alt="CSS新世界"></a> </div> <div class="cell c-goodsname"><a href="book.html" title="CSS世界(异步图书出品)">CSS世界(异步图书出品)</a></div> <div class="cell c-props">CSS世界(异步图书出品)</div> <div class="cell c-price"> <span >￥</span> <div class="c-price_num">57.80</div> </div> <div class="cell c-quantity"> <button type="button" class="reduce">-</button> <input type="text" value="1" class="text_num"> <button type="button" class="add">+</button> </div> <div class="cell c-sum"> <span>￥</span> <div class="c-sum_num">57.80</div> </div> <div class="cell c-action"> <a href="#" class="remove">移除商品</a> </div> </div> </div> <div class="payment"> <div class="cart-pay"> <div class="pay-left"> <div class="select_all"> <input type="checkbox" class="all each"> 全选 </div> <div class="goods_num"> 已选择数量: <span>0</span> 件 </div> </div> <div class="pay-right"> <div class="right_jie"> <div class="btn"> <a href="#">结算</a> </div> <div class="price-sum"> <div class="price-show">总价是：</div> <div class="show-money"> ￥ <span>00.00</span> </div> </div> </div> </div> </div> </div> </body></html>- 1
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car.js
能够实现购物车中对商品的复选框全选、计算商品的数量小计，以及购物车中商品总价
$(function(){ // $(".c-sum_num").click(function(){ // console.info($(this).text()); // }) totl(); goodsnum(); // 全选 $(".all").click(function() { let all = $(this).prop("checked") $(".each").each(function() { $(this).prop("checked", all); }) }) // 减少商品数量 $(".reduce").click(function(){ var num = $(this).siblings(".text_num").val(); if(num>0){ num--; $(this).siblings(".text_num").val(num); } var price=$(this).parents().siblings(".c-price").children(".c-price_num").text(); var sum_num = $(this).parents().siblings(".c-sum").children(".c-sum_num"); var sum = parseFloat(price*num); // console.log(sum); $(sum_num).text(sum); totl(); goodsnum(); }); // 增加商品数量 $(".add").click(function(){ var num = $(this).siblings(".text_num").val(); num++; $(this).siblings(".text_num").val(num); var price=$(this).parents().siblings(".c-price").children(".c-price_num").text(); var sum_num = $(this).parents().siblings(".c-sum").children(".c-sum_num"); var sum = parseFloat(price*num); // console.log(sum); $(sum_num).text(sum); totl(); goodsnum(); }); // 删除商品 $(".remove").click(function(){ $(this).parents(".carts-goods").remove(); totl(); goodsnum(); }); // 总价 function totl(){ let sumprice = 0; $.each($(".c-sum_num"),function() { sumprice+=parseFloat($(this).text()); $(".show-money span").text(sumprice); }); } // 统计商品数量 function goodsnum(){ let goods_num=0; $.each($(".text_num"),function() { goods_num+=parseInt($(this).val()); $(".goods_num span").text(goods_num); }); } });- 1
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编写代码实现功能
连接数据库实现登录注册功能
user.java
package User;public class user { private int user_id; private String username; private String password; public int getId() { return user_id; } public void setId(int id) { this.user_id = user_id; } public String getUsername() { return username; } public void setUsername(String username) { this.username = username; } public String getPassword() { return password; } public void setPassword(String password) { this.password = password; } @Override public String toString() { return "User [user_id=" + user_id + ", username=" + username + ", password=" + password + "]"; } public user(int id, String username, String password, String address) { super(); this.user_id = user_id; this.username = username; } public user() { super(); }}- 1
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RegisterController.java
package controller;import shop_servlet.Register;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;//import service.UserService2;@WebServlet("/register.do")public class RegisterController extends HttpServlet{ private static final long serialVersionUID = 7804524886360637172L; public RegisterController() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); String username = request.getParameter("username"); String user_id = request.getParameter("user_id"); String password = request.getParameter("password"); String email = request.getParameter("email"); String birth = request.getParameter("birth"); String phone = request.getParameter("phone"); String address = request.getParameter("address"); Register userService = new Register(); if(userService.register(username, user_id, password, email, birth, phone, address) > 0) { response.getWriter().print("register success!"); }else { response.getWriter().print("register false!"); } } catch (Exception e) { e.printStackTrace(); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); }}- 1
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LoginController.java
package controller;import java.io.IOException;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import shop_servlet.Register;@WebServlet("/login.do")public class LoginController extends HttpServlet{ private static final long serialVersionUID = 7242872008838278971L; public LoginController() { super(); } @Override protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { String user_id = request.getParameter("user_id"); String password = request.getParameter("password"); Register userService = new Register(); if(userService.login(user_id,password)) { request.getSession().setAttribute("user_id", user_id); response.sendRedirect("first.jsp"); }else { response.getWriter().print("register false!"); } }catch(Exception e) { e.printStackTrace(); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); }}- 1
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购物车连接数据库，将商品加入购物车后，能够查看商品详细信息
Car.java
package beans;public class Car { private String goods_id; private String goods_name; private String unitprice; private String quantity; private String userid; private String pic; public String getGoods_id() { return goods_id; } public void setGoods_id(String goods_id) { this.goods_id = goods_id; } public String getGoods_name() { return goods_name; } public void setGoods_name(String goods_name) { this.goods_name = goods_name; } public String getUnitprice() { return unitprice; } public void setUnitprice(String unitprice) { this.unitprice = unitprice; } public String getQuantity() { return quantity; } public void setQuantity(String quantity) { this.quantity = quantity; } public String getUserid() { return userid; } public void setUserid(String userid) { this.userid = userid; } public String getPic() { return pic; } public void setPic(String pic) { this.pic = pic; }}- 1
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AddCarController.java
package controller;import beans.Car;import beans.Good;import utils.JDBCUtils;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import javax.servlet.http.HttpSession;import java.io.IOException;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.util.ArrayList;import java.util.List;//import service.UserService2;@WebServlet("/addcar.do")public class AddCarController extends HttpServlet{ private static final long serialVersionUID = 7804524886360637172L; public AddCarController() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); HttpSession session= request.getSession(); String id = request.getParameter("id"); Object user_id= session.getAttribute("user_id"); //1查询 //查询商品 String sql="SELECT * FROM goods WHERE goods_id=?"; Connection connection= JDBCUtils.getConnection(); PreparedStatement stmt = connection.prepareStatement(sql); stmt.setString(1, id); ResultSet rs = stmt.executeQuery(); Good good=new Good(); while (rs.next()) { good.setGoods_id(rs.getString("goods_id")); good.setGoods_name(rs.getString("goods_name")); good.setUnitprice(rs.getString("unitprice")); good.setDetails(rs.getString("details")); good.setPic(rs.getString("photo")); } //2添加到数据库 String sqladd="INSERT INTO car (goods_id, goods_name,unitprice,quantity,userid,pic) VALUES (?,?,?,?,?,?)"; stmt = connection.prepareStatement(sqladd); stmt.setString(1, good.getGoods_id()); stmt.setString(2,good.getGoods_name()); stmt.setString(3,good.getUnitprice()); stmt.setString(4,"1"); stmt.setString(5,user_id.toString()); stmt.setString(6, good.getPic()); int res=stmt.executeUpdate();//执行sql语句 if (res>0){ System.out.println("插入成功"); } //3返回购物车 String carsql="select * from car where userid=?"; stmt = connection.prepareStatement(carsql); stmt.setString(1, user_id.toString()); //查询商品 rs = stmt.executeQuery(); Car car=null; List<Car> carList=new ArrayList<>(); while (rs.next()) { car=new Car(); car.setGoods_id(rs.getString("goods_id")); car.setGoods_name(rs.getString("goods_name")); car.setUnitprice(rs.getString("unitprice")); car.setQuantity(rs.getString("quantity")); car.setPic(rs.getString("pic")); carList.add(car); } connection.close(); request.getSession().setAttribute("carList", carList); response.sendRedirect("car.jsp"); } catch (Exception e) { e.printStackTrace(); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); }}- 1
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通过点击首页的商品图片，查看商品的详细信息
Goods.java
package beans;public class Good { private String goods_id; private String goods_name; private String unitprice; private String details; private String pic; public String getPic() { return pic; } public void setPic(String pic) { this.pic = pic; } public String getGoods_id() { return goods_id; } public void setGoods_id(String goods_id) { this.goods_id = goods_id; } public String getGoods_name() { return goods_name; } public void setGoods_name(String goods_name) { this.goods_name = goods_name; } public String getUnitprice() { return unitprice; } public void setUnitprice(String unitprice) { this.unitprice = unitprice; } public String getDetails() { return details; } public void setDetails(String details) { this.details = details; } @Override public String toString() { return "User [goods_id=" + goods_id + ", goods_name=" + goods_name + ", unitprice=" + unitprice + ", details=" + details + "]"; } public Good(String goods_id, String goods_name, String unitprice, String details) { super(); this.goods_id = goods_id; this.goods_name = goods_name; this.unitprice = unitprice; this.details = details; } public Good() { super(); }}- 1
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DetailController.java
package controller;import beans.Good;import utils.JDBCUtils;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.ResultSet;//import service.UserService2;@WebServlet("/detail.do")public class DetailController extends HttpServlet{ private static final long serialVersionUID = 7804524886360637172L; public DetailController() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { try { String id = request.getParameter("id"); request.setCharacterEncoding("UTF-8"); response.setCharacterEncoding("UTF-8"); //查询商品 String sql="SELECT * FROM goods WHERE goods_id=?"; Connection connection= JDBCUtils.getConnection(); PreparedStatement stmt = connection.prepareStatement(sql); stmt.setString(1, id); ResultSet rs = stmt.executeQuery(); Good good=new Good(); while (rs.next()) { good.setGoods_id(rs.getString("goods_id")); good.setGoods_name(rs.getString("goods_name")); good.setUnitprice(rs.getString("unitprice")); good.setDetails(rs.getString("details")); good.setPic(rs.getString("photo")); } connection.close(); request.getSession().setAttribute("good", good); response.sendRedirect("phone.jsp"); } catch (Exception e) { e.printStackTrace(); } } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // TODO Auto-generated method stub doGet(request, response); }}- 1
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资源包
内容太多，文章里面只能够简单的描述一下，我正在整理文件，后面会将项目的所有文件打包上传到Gitee上面，供大家下载下来学习使用
这个项目我做得并不是很完美，各位可以发挥自己的才能去完善它
码字不易，还请点赞支持一下，谢谢
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