基于JavaWeb的企业内部员工订餐系统完整源码+数据库.zip

package com.order.web.servlet; import java.io.IOException; import java.sql.SQLException; import java.util.List; import javax.servlet.ServletException; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import com.order.exception.UserException; import com.order.model.Cart; import com.order.model.CartItem; import com.order.model.Food; import com.order.model.User; import com.order.service.AddressService; import com.order.service.CartService; import com.order.service.UserService; import cn.hutool.core.bean.BeanUtil; import cn.hutool.core.convert.Convert; import cn.itcast.commons.CommonUtils; @WebServlet("/user") public class UserServlet extends BaseServlet { private static final long serialVersionUID = 1L; private UserService userService = new UserService(); private CartService cartService = new CartService(); private AddressService addrService = new AddressService(); // 注册 public String regist(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 封装表单 User form = CommonUtils.toBean(request.getParameterMap(), User.class); // 调用业务层完成注册 userService.regist(form); // 重定向到登录页面 return "r:/login.jsp"; } // 登录 public String login(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 封装表单 User form = CommonUtils.toBean(request.getParameterMap(), User.class); try { User user = userService.login(form); request.getSession().setAttribute("user", user); /* * 加载用户的购物车 */ Cart cart = new Cart(user.getId()); List<CartItem> cartItems = cartService.getCartItems(user.getId()); cart.add(cartItems); request.getSession().setAttribute("cart", cart); user.setAddrList(addrService.listUserAddr(user.getId())); // 加载用户地址列表 System.out.println(user); return "r:/main.jsp"; // 重定向到主页 } catch (UserException e) { // 登录失败 request.setAttribute("form", form); request.setAttribute("msg", e.getMessage()); request.setAttribute("error", "error"); return "login.jsp"; } } // 退出 public String quit(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { request.getSession().invalidate(); return "r:/main.jsp"; } // 找回密码 public String find_pwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String type = request.getParameter("type"); // 找回密码的方式 String info = request.getParameter("info"); // 找回密码的信息 User user = userService.load(type, info); if (user != null) { userService.findPwd(user); request.setAttribute("msg", "找回密码邮件已发送至" + user.getEmail()); return "msg.jsp"; } else { // 数据回显 request.setAttribute("msg", "账号不存在"); request.setAttribute(type, "selected='selected'"); request.setAttribute("info", info); request.setAttribute("error", "error"); return "find_pwd.jsp"; } } // 去重置密码页面 public String to_reset_pwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String code = request.getParameter("code"); User user = userService.load("code", code); if (user != null) { request.setAttribute("user", user); return "WEB-INF/reset_pwd.jsp"; } else { request.setAttribute("msg", "链接无效"); return "msg.jsp"; } } // 重置密码 public String reset_pwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String code = request.getParameter("code"); User user = userService.load("code", code); if (user != null) { user.setPassword(request.getParameter("password")); userService.resetPwd(user); request.setAttribute("msg", "重置密码成功"); } else { request.setAttribute("msg", "重置密码失败"); } return "msg.jsp"; } // 更新密码 public void update_pwd(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { User user = (User) request.getSession().getAttribute("user"); String oldPwd = request.getParameter("old_pwd"); // 旧密码 String newPwd = request.getParameter("new_pwd"); // 新密码 if (oldPwd.equals(user.getPassword())) { // 原密码正确 userService.updatePwd(user.getId(), newPwd); user.setPassword(newPwd); response.getWriter().print(true); } else { // 原密码错误 response.getWriter().print(false); } } // 更新资料 public String update_info(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { // 原用户 User user = (User) request.getSession().getAttribute("user"); // 从页面传过来的表单 User form = CommonUtils.toBean(request.getParameterMap(), User.class); // copy表单值到原用户 BeanUtil.copyProperties(form, user, "id", "password", "code"); userService.updateInfo(user); return "userinfo.jsp"; } // 检查信息是否被注册 public void checkNotUsed(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String from = request.getParameter("from"); // 页面来源 String type = request.getParameter("type"); // 要检查的类型 String info = request.getParameter("info"); // 要检查的信息 User result = userService.load(type, info); // 检查的结果 User user = (User) request.getSession().getAttribute("user"); // 原有的信息 if (result == null) { // 结果为空，说明没被注册 response.getWriter().print(true); return; } // 来源是userinfo页面 if ("userinfo".equals(from) && user.getId().equals(result.getId())) { // 结果和原有相同 response.getWriter().print(true); return; } // 其余情况都是false response.getWriter().print(false); } // 检查验证码是否正确 public void checkCaptcha(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String answer = (String) request.getSession().getAttribute("captcha"); // 答案 String captcha = request.getParameter("captcha"); // 用户写的验证码 if (captcha.equalsIgnoreCase(answer)) { response.getWriter().print(true); } else { response.getWriter().print(false); } } // 收藏菜品 public void collect(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { User user = (User) request.getSession().getAttribute("user"); int fid = Convert.toInt(request.getParameter("fid")); userService.collect(user.getId(), fid); response.getWriter().print(1); } // 取消收藏菜品 public void discollect(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { User user = (User) request.getSession().getAttribute("user"); int fid = Convert.toInt(request.getParameter("fid")); userService.discollect(user.getId(), fid); response.getWriter().print(1); } // 是否收藏某菜品 public void isCollected(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { User user = (User) request.getSession().getAttribute("user"); if (user == null) { // 没登录，不查询 return; } int fid = Convert.toInt(request.getParameter("fid")); if (userService.isCollected(user.getId(), fid)) { response.getWriter().print(1); } else { response.getWriter().print(0); } } // 我的收藏 public String myCollection(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException, SQLException { User user = (User) request.getSession().getAttribute("user"); List<Food> foodList = userService.listCollection(user.getId()); request.setAttribute("foodList", foodList); return "main_foodinfo.jsp"