Java 茶叶售卖商城系统
qq_1334611189 人气:0前言
这是一个应用SSM框架的项目,前端页面整洁清晰。该系统有两个角色,一个是普通用户,另一个是管理员。
普通用户具有注册、登录、查看商品、添加购物车、添加商品收藏、下订单、商品评价、用户地址管理等等功能。
管理员具有登录、管理用户信息、管理商品信息、管理商品活动信息、管理订单信息、管理用户评论信息的等等功能。
应用技术:Jsp + SSM + EasyUi
运行环境:eclipse/IDEA + MySQL5.7 + Tomcat8.5 + JDK1.8
实现效果
主要代码
用户管理控制层
@WebServlet("/frontstage_userServlet") public class UserServlet extends HttpServlet { UserService service = new UserService(); @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String action = req.getParameter("action"); switch (action) { case "login": login(req, resp); break; case "checkUserNameRepeat": checkUserNameRepeat(req, resp); break; case "register": register(req, resp); break; case "logout": logout(req, resp); break; case "checkOldPassword": checkOldPassword(req, resp); break; case "modifyPassword": modifyPassword(req, resp); break; } } public void login(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); String userName = req.getParameter("userName"); String password = req.getParameter("password"); String captcha = req.getParameter("captcha"); if (captcha != null) { captcha = captcha.toUpperCase(); } // 先进行验证码验证 String checkcode = (String) req.getSession().getAttribute("checkcode_session"); try { // 将用户输入的验证码和 系统验证对比 if (checkcode.equals(captcha)) { User user = service.getUserByNameAndPassword(userName, password); if (user != null) { HttpSession session = req.getSession(); session.setAttribute("user", user); JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); } else { // 将错误信息封装在结果集中 JSONResult result = JSONResult.errorMsg("用户名或密码错误,请重试"); // 以json的形式返回给前端 resp.getWriter().println(JsonUtil.javaObjectToJson(result)); } } else { // 将错误信息封装在结果集中 JSONResult result = JSONResult.errorMsg("验证码输入错误,请重试"); // 以json的形式返回给前端 resp.getWriter().println(JsonUtil.javaObjectToJson(result)); } } catch (Exception e) { e.printStackTrace(); } } /** * 用户名重名检测 * * @param req * @param resp */ public void checkUserNameRepeat(HttpServletRequest req, HttpServletResponse resp) { String userName = req.getParameter("userName"); if (userName != null) { int d = service.checkUserNameRepeat(userName); try { if (d > 0) { JSONResult error = JSONResult.errorMsg(""); resp.getWriter().println(JsonUtil.javaObjectToJson(error)); } else { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); } } catch (Exception e) { e.printStackTrace(); } } } /** * 用户注册 * * @param req * @param resp * @throws IOException */ public void register(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); User user = new User(); user.setUserName(req.getParameter("userName")); user.setPassword(req.getParameter("password")); user.setEmail(req.getParameter("email")); user.setPhone(req.getParameter("phoneNum")); user.setRole("ordinaryUser"); int d = service.addUser(user); try { if (d > 0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); } else { JSONResult error = JSONResult.errorMsg("注册失败"); resp.getWriter().println(JsonUtil.javaObjectToJson(error)); } } catch (Exception e) { e.printStackTrace(); } } /** * 退出登录 */ public void logout(HttpServletRequest req, HttpServletResponse resp) { req.getSession().removeAttribute("user"); try { resp.sendRedirect("index.jsp"); } catch (IOException e) { e.printStackTrace(); } } /** * 检查旧密码是否正确 ,在修改密码操作时使用 * @throws IOException */ public void checkOldPassword(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); User user = (User) req.getSession().getAttribute("user"); String oldPassword = service.getPasswordById(user.getId()); System.out.println("旧密码:"+oldPassword); String password = req.getParameter("password"); System.out.println("旧密码验证:"+password); try { if (!oldPassword.equals(password)) { JSONResult errorMsg = JSONResult.errorMsg("原始密码错误,请重新输入"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } else { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); } } catch (IOException e) { e.printStackTrace(); } } /** * 修改密码 * @throws IOException */ public void modifyPassword(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); String password = req.getParameter("newPassword"); System.out.println("新密码:"+password); User user = (User) req.getSession().getAttribute("user"); int id = user.getId(); System.out.println("旧密码id"+id); int d = service.updatePasswordById(id, password); try { if (d > 0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); } else { JSONResult errorMsg = JSONResult.errorMsg("修改失败,请重试"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } } catch (Exception e) { e.printStackTrace(); } } }
商品管理服务类
@WebServlet("/frontstage_goodsServlet") public class GoodsServlet extends HttpServlet{ GoodsService service = new GoodsService(); @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String action = req.getParameter("action"); switch(action) { case "findAllGoods":findAllGoods(req,resp);break; case "findGoodsById":findGoodsById(req,resp);break; case "findGoodsByType":findGoodsByType(req,resp);break; } } /** * 获取所有商品列表 * @param req * @param resp */ public void findAllGoods(HttpServletRequest req, HttpServletResponse resp) { Map<String, List<Goods>> allGoods = service.getAllGoods(); try { req.setAttribute("allGoods", allGoods); req.getRequestDispatcher("/main.jsp").forward(req, resp); return; } catch (ServletException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } /** *根据类型获得商品列表 * @param req * @param resp */ public void findGoodsByType(HttpServletRequest req, HttpServletResponse resp) { String type = req.getParameter("type"); String currentPage = req.getParameter("currentPage"); PageBean pageBean = null; // 如果当前第几页currentPage 值为null,说明第一次跳转到此页面或者是要跳转到首页,则设定该值currentPage默认为1 if(currentPage == null) { pageBean = service.getGoodsByType(type, 4, 1); }else { pageBean = service.getGoodsByType(type, 4, Integer.parseInt(currentPage)); } try { req.setAttribute("pageBean", pageBean); req.setAttribute("type", type); req.getRequestDispatcher("/product.jsp").forward(req, resp); } catch (Exception e) { e.printStackTrace(); } } /** * 获取商品的详细信息 * @param req * @param resp */ public void findGoodsById(HttpServletRequest req, HttpServletResponse resp) { int id =Integer.parseInt(req.getParameter("id")); Goods goodsInfo = service.getGoodsInfoById(id); try { req.setAttribute("pro", goodsInfo); req.getRequestDispatcher("/productInfo_user.jsp").forward(req, resp); } catch (Exception e) { e.printStackTrace(); } } }
订单控制层
@WebServlet("/backstage_ordersServlet") public class OrdersServlet extends HttpServlet{ OrdersService service = new OrdersService(); @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { String action = req.getParameter("action"); System.out.println(action); switch(action) { case "getOrdersList":getOrdersList(req,resp);break; case "getOrdersListByName":getOrdersListByName(req,resp);break; case "deleteOrders":deleteOrders(req,resp);break; case "deleteAllOrders":deleteAllOrders(req,resp);break; case "toOrdersUpdatePage":toOrdersUpdatePage(req,resp);break; case "updateOrders":updateOrders(req,resp);break; case "fastbuy":sendOrder(req,resp);break; } } /* * 删除全部订单 */ private void deleteAllOrders(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); // TODO 自动生成的方法存根 int d = service.deleteAllOrders(); try { if(d>0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); }else { JSONResult errorMsg = JSONResult.errorMsg("删除失败,请重试"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } } catch (Exception e) { e.printStackTrace(); } } /** * 提交订单 * @throws IOException */ public void sendOrder(HttpServletRequest req, HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");//设置日期格式 User user =(User) req.getSession().getAttribute("user"); Orders order = new Orders(); order.setNumber(order.getRandomString(10)); order.setTime(df.format(new Date())); order.setName(req.getParameter("recipients")); order.setAddress(req.getParameter("address")); order.setPhone(req.getParameter("phone")); order.setAddress_label(req.getParameter("addressLabel")); order.setSex(req.getParameter("sex")); order.setUser(user.getUserName()); order.setGoods_id(Integer.parseInt(req.getParameter("id"))); order.setGoods_num(Integer.parseInt(req.getParameter("num"))); order.setGoods_status(1); int d = service.addOrder(order); try { if(d>0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); }else { JSONResult error = JSONResult.errorMsg("订单提交失败!"); resp.getWriter().println(JsonUtil.javaObjectToJson(error)); } } catch (Exception e) { e.printStackTrace(); } } /** * 向前端页面返回订单数据列表 */ public void getOrdersList(HttpServletRequest req,HttpServletResponse resp) { List<Orders> allOrders = service.getAllOrders(); req.setAttribute("ordersList",allOrders); try { req.getRequestDispatcher("/backstage/tgls/ordersManage/orders_list.jsp").forward(req, resp); } catch (ServletException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } /** * 根据订单名查询商品(注意!类别没改) * @param req * @param resp * @throws IOException */ public void getOrdersListByName(HttpServletRequest req,HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); String name = req.getParameter("OrdersUser"); //String type = req.getParameter("type"); Map<String,String> parmas = new HashMap<>(); parmas.put("name", name); //parmas.put("type", type); List<Orders> list = service.getOrdersByName(parmas); try { if(list != null) { JSONResult ok = JSONResult.ok(list); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); }else { JSONResult errorMsg = JSONResult.errorMsg("未获取到任何数据,请重试"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } } catch (Exception e) { e.printStackTrace(); } } /** * 修改订单时,获取此订单的全部数据,并返回至修改页面 */ public void toOrdersUpdatePage(HttpServletRequest req,HttpServletResponse resp) { int id = Integer.parseInt(req.getParameter("id")); Orders orders = service.getOrdersInfoById(id); req.setAttribute("orders", orders); try { req.getRequestDispatcher("/backstage/tgls/ordersManage/orders_update.jsp").forward(req, resp); } catch (ServletException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } } /** * 修改订单 * @throws IOException */ public void updateOrders(HttpServletRequest req,HttpServletResponse resp) throws IOException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); Orders orders = new Orders(); orders.setId(Integer.parseInt(req.getParameter("id"))); orders.setNumber(req.getParameter("number")); orders.setUser(req.getParameter("user")); orders.setTime(req.getParameter("time")); orders.setName(req.getParameter("name")); orders.setSex(req.getParameter("sex")); orders.setAddress(req.getParameter("address")); orders.setPhone(req.getParameter("phone")); orders.setAddress_label(req.getParameter("address_label")); orders.setGoods_id(Integer.parseInt(req.getParameter("goods_id"))); orders.setGoods_num(Integer.parseInt(req.getParameter("goods_num"))); orders.setGoods_status(Integer.parseInt(req.getParameter("goods_status"))); System.out.println(orders); int d = service.updateOrdersById(orders); System.out.println(d); try { if(d>0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); }else { JSONResult errorMsg = JSONResult.errorMsg("修改失败,请重试"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } } catch (Exception e) { e.printStackTrace(); } } /** * 删除订单 * @throws UnsupportedEncodingException */ public void deleteOrders(HttpServletRequest req,HttpServletResponse resp) throws UnsupportedEncodingException { //设置请求编码格式: req.setCharacterEncoding("utf-8"); //设置响应编码格式 resp.setContentType("text/html;charset=utf-8"); int id = Integer.parseInt(req.getParameter("id")); int d = service.deleteOrdersById(id); try { if(d>0) { JSONResult ok = JSONResult.ok(); resp.getWriter().println(JsonUtil.javaObjectToJson(ok)); }else { JSONResult errorMsg = JSONResult.errorMsg("删除失败,请重试"); resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg)); } } catch (Exception e) { e.printStackTrace(); } } }
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