Java项目:茶叶售卖商城系统(java+SSM+JSP+EasyUi+mysql)

源码获取：博客首页 "资源" 里下载！

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

商品管理服务层：

@WebServlet("/backstage_goodsServlet")
public class GoodsServlet extends HttpServlet{GoodsService service = new GoodsService();@Overrideprotected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {String action = req.getParameter("action");		switch(action) {case "addGoods":addGoods(req,resp);break;case "getGoodsList":getGoodsList(req,resp);break;case "getGoodsListByName":getGoodsListByName(req,resp);break;case "deleteGoods":deleteGoods(req,resp);break;case "toGoodsUpdatePage":toGoodsUpdatePage(req,resp);break;case "updateGoods":updateGoods(req,resp);break;case "upGoodsImage":upGoodsImage(req,resp);break;case "fastbuy":sendOrder(req,resp);break;}}/*** 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("sjb");order.setGoods_id(99);order.setGoods_num(3);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();}}/*** 保存商品* @throws IOException */public void addGoods(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");FileUploadUtil upFile = new FileUploadUtil();ServletContext servletContext = req.getSession().getServletContext();List<FileItem> items= upFile.getRequsetFileItems(req,servletContext);//保存所有用户提交的 表单数据 的mapMap<String, String>  formData = new HashMap<>();String savePath = new File(getServletContext().getRealPath("/")).getParentFile().getParentFile().getPath()+"/imgs";try {//遍历for (FileItem file : items) {if(!file.isFormField()) {String fileSuffix = FileUploadUtil.getFileSuffix(file).toUpperCase();//必须是jpg或png  图片文件才能进行上传操作if("JPG".equals(fileSuffix) || "PNG".equals(fileSuffix)) {//生成新图片名String imgName = FileUploadUtil.getImgNewName(fileSuffix);FileUploadUtil.saveFile(file, savePath, imgName);formData.put("imgUrl",imgName);}}else {	//非文件数据存入formData.put(file.getFieldName(), file.getString("utf-8"));	}}} catch (UnsupportedEncodingException e) {e.printStackTrace();}Goods goods = new Goods();goods.setName(formData.get("goodsName"));goods.setNum(Integer.parseInt(formData.get("num")));goods.setPrice(Double.parseDouble(formData.get("price")));goods.setImgurl(formData.get("imgUrl"));goods.setType(formData.get("type"));goods.setDescription(formData.get("description"));goods.setColor(formData.get("color"));goods.setMemory(formData.get("memory"));goods.setCreateDate(new SimpleDateFormat("yyyy-MM-dd").format(new Date()));int d = service.addGoods(goods);try {if(d>0) {JSONResult ok = JSONResult.ok();resp.getWriter().println(JsonUtil.javaObjectToJson(ok));}else {JSONResult errorMsg = JSONResult.errorMsg("添加失败，请重试");resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));}} catch (Exception e) {e.printStackTrace();}}/*** 向前端页面返回商品数据列表*/public void getGoodsList(HttpServletRequest req,HttpServletResponse resp) {List<Goods> allGoods = service.getAllGoods();req.setAttribute("goodsList", allGoods);try {req.getRequestDispatcher("/backstage/tgls/goodsManage/goods_list.jsp").forward(req, resp);} catch (ServletException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}	}/*** @throws IOException * 根据商品名查询商品* @param req* @param resp* @throws  */public void getGoodsListByName(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("goodsName");String type = req.getParameter("type");Map<String,String> parmas = new HashMap<>();parmas.put("name", name);parmas.put("type", type);List<Goods> list = service.getGoodsByName(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();}}/*** 修改商品时，获取此商品的全部数据，并返回至修改页面*/public void toGoodsUpdatePage(HttpServletRequest req,HttpServletResponse resp) {int id = Integer.parseInt(req.getParameter("id"));Goods goods = service.getGoodsInfoById(id);req.setAttribute("goods", goods);try {req.getRequestDispatcher("/backstage/tgls/goodsManage/goods_update.jsp").forward(req, resp);} catch (ServletException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}	}/***修改商品信息时，如果有修改图片，先将图片进行修改* @throws IOException */public void upGoodsImage(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");FileUploadUtil upFile = new FileUploadUtil();ServletContext servletContext = req.getSession().getServletContext();List<FileItem> items= upFile.getRequsetFileItems(req,servletContext);String savePath = new File(getServletContext().getRealPath("/")).getParentFile().getParentFile().getPath()+"/imgs";String imgName = null;try {//遍历for (FileItem file : items) {if(!file.isFormField()) {String fileSuffix = FileUploadUtil.getFileSuffix(file);//必须是jpg或png  图片文件才能进行上传操作if("jpg".equals(fileSuffix) || "png".equals(fileSuffix)) {//生成新图片名imgName = FileUploadUtil.getImgNewName(fileSuffix);FileUploadUtil.saveFile(file, savePath, imgName);					}}}int d = service.updateGoodsImgById(imgName, Integer.parseInt(req.getParameter("id")));if(d>0) {JSONResult ok = JSONResult.ok(imgName);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();}	}/***  修改商品* @throws IOException */public void updateGoods(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");Goods goods = new Goods();goods.setId(Integer.parseInt(req.getParameter("id")));goods.setName(req.getParameter("goodsName"));goods.setNum(Integer.parseInt(req.getParameter("num")));goods.setPrice(Double.parseDouble(req.getParameter("price")));goods.setType(req.getParameter("type"));goods.setColor(req.getParameter("color"));goods.setMemory(req.getParameter("memory"));goods.setDescription(req.getParameter("description"));int d = service.updateGoodsById(goods);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();}}/*** 删除商品* @throws IOException */public void deleteGoods(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");int id = Integer.parseInt(req.getParameter("id"));int d = service.deleteGoodsById(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();}}
}

订单服务类：

@WebServlet("/backstage_ordersServlet")
public class OrdersServlet extends HttpServlet{OrdersService service = new OrdersService();@Overrideprotected 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();}}
}

用户管理服务类：

@WebServlet("/backstage_userServlet")
public class UserServlet extends HttpServlet{UserService service = new UserService();@Overrideprotected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {String action = req.getParameter("action");switch(action) {case "login":login(req, resp);break;case "modifyPassword":modifyPassword(req, resp);break;case "checkOldPassword":checkOldPassword(req, resp);break;case "afterModifyPassword":afterModifyPassword(req, resp);break;case "logout":logout(req, resp);break;}}/*** 用户登录* @throws IOException */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");//获取前端页面传来的用户名String userName = req.getParameter("userName");//获取前端页面传来的密码String password = req.getParameter("password");// 1、先验证该用户的角色是否为管理员String userRole = service.getUserRoleByName(userName);try {if(!"admin".equals(userRole)) {JSONResult errorMsg = JSONResult.errorMsg("暂无登录权限");resp.getWriter().println(JsonUtil.javaObjectToJson(errorMsg));}else {//2、获取用户数据 进行用户名和密码验证User user = service.getUserByNameAndPassword(userName, password);if(user!=null) {//将用户数据保存到session 作用域中，方便在后续的操作中使用用户数据req.getSession().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));}}} catch (Exception 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()); String password = req.getParameter("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");User user =(User) req.getSession().getAttribute("user");int id = user.getId();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();}}/*** 成功修改密码后，清除session中的数据，并且重新跳转到登录页* @param req* @param resp*/public void afterModifyPassword(HttpServletRequest req, HttpServletResponse resp) {req.getSession().removeAttribute("user");try {//使用iframe时，要避免这种直接跳转的方式// 此时只会让内嵌的iframe跳转到登录页，并非整个页面
//			resp.sendRedirect("backstage/login.jsp");PrintWriter writer = resp.getWriter();writer.print("<html>");writer.print("<script>");writer.print("window.open('"+ req.getContextPath()+"/backstage/login.jsp','_top')");writer.print("</script>");writer.print("</html>");} catch (IOException e) {e.printStackTrace();}}/*** 退出登录*/public void logout(HttpServletRequest req, HttpServletResponse resp) {req.getSession().removeAttribute("user");try {resp.sendRedirect("backstage/login.jsp");} catch (IOException e) {e.printStackTrace();}}
}

源码获取：博客首页 "资源" 里下载！