网络软件课设项目，Java基于Web的网上订餐系统源码.zip

package cn.edu.ujn.ks.controller; import javax.servlet.http.HttpSession; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.GetMapping; import org.springframework.web.bind.annotation.PostMapping; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import cn.edu.ujn.ks.dao.User; import cn.edu.ujn.ks.service.ICartlistService; import cn.edu.ujn.ks.service.IOrdersService; import cn.edu.ujn.ks.service.IUserService; import cn.edu.ujn.ks.utils.Page; @Controller public class UserController { @Autowired private IUserService userService; @Autowired private ICartlistService cartlistService; @Autowired private IOrdersService orderService; @GetMapping("/login.action") public String toLogin() { return "login"; } @GetMapping("/register.action") public String toRegister() { return "register"; } @RequestMapping("/logout.action") public String logout(HttpSession session) { // 清除Session session.invalidate(); // 重定向到登录页面的跳转方法 return "redirect:login.action"; } @PostMapping("/login.action") public String login(String usercode, String password, Model model, HttpSession session) { User user = userService.findUserByCodeAndPassword(usercode, password); if (user != null) { session.setAttribute("USER_SESSION", user); if (user.getUser_admin() == 1) { return "redirect:user/list.action"; } else if (user.getUser_admin() == 0) { return "redirect:dishes/list.action"; } } model.addAttribute("msg", "账号或密码错误，请重新输入！"); return "login"; } /** * 注册 * @param username * @param usercode * @param password * @param model * @param session * @return */ @PostMapping("/register.action") public String register(String username, String usercode, String password, Model model, HttpSession session) { if (!StringUtils.isBlank(usercode) && !StringUtils.isBlank(username) && !StringUtils.isBlank(password)) { User user = userService.findUserByCodeAndPassword(usercode, password); User user3 = userService.selectByUserCode(usercode); if (user != null) { model.addAttribute("msg", "用户已存在，请前往登录！"); return "login"; } else if (user3 != null) { model.addAttribute("msg", "账号已存在，注册失败！"); return "register"; } else { User user2 = new User(); user2.setUser_name(username); user2.setUser_code(usercode); user2.setUser_password(password); userService.insertSelective(user2); model.addAttribute("msg", "注册成功，请登录！"); return "login"; } } model.addAttribute("msg", " 有空项，请重新输入！"); return "register"; } @RequestMapping(value = "/user/getUser.action") @ResponseBody public User getUser(Integer id) { User user = userService.selectByPrimaryKey(id); return user; } /** * 创建用户 */ @RequestMapping(value = "/user/create.action") @ResponseBody public String userCreate(User user, Integer user_id, String user_code, String user_name, String user_password, Integer user_state, HttpSession session) { if (!StringUtils.isBlank(user_code) && !StringUtils.isBlank(user_name) && !StringUtils.isBlank(user_password)) { if (userService.selectByUserCode(user_code) != null) { return "FAIL1"; // 错误1：账号已存在 } user.setUser_id(user_id); user.setUser_code(user_code); user.setUser_name(user_name); user.setUser_password(user_password); user.setUser_state(user_state); // 执行Service层中的创建方法，返回的是受影响的行数 int rows = userService.insertSelective(user); if (rows > 0) { return "OK"; } else { return "FAIL2"; // 错误2：创建失败 } } return "FAIL3"; // 错误3：有空项 } /** * 用户列表 */ @RequestMapping(value = "/user/list.action") public String list(@RequestParam(defaultValue = "1") Integer page, @RequestParam(defaultValue = "10") Integer rows, Integer user_id, String user_code, String user_name, String user_password, Integer user_admin, Integer user_state, Model model) { // 条件查询所有用户 Page<User> users = userService.findUserList(page, rows, user_id, user_code, user_name, user_password, user_state, user_state); // 添加参数 model.addAttribute("page", users); model.addAttribute("user_id", user_id); model.addAttribute("user_code", user_code); model.addAttribute("user_name", user_name); model.addAttribute("user_password", user_password); model.addAttribute("user_admin", user_admin); model.addAttribute("user_state", user_state); return "user"; } // /** // * 删除客户 // */ // @RequestMapping("/user/delete.action") // @ResponseBody // public String userDelete(Integer id) { // if (cartlistService.selectByCustId(id) == null) { // int rows = userService.deleteByPrimaryKey(id); // if (rows > 0) { // return "OK"; // } else { // return "FAIL1"; // } // } else { // return "FAIL2"; // } // // } /** * 更新用户 */ @RequestMapping("/user/update.action") @ResponseBody public String userUpdate(HttpSession session, Integer user_id, String user_code, String user_name, String user_password, Integer user_state) { User user0 = userService.selectByPrimaryKey(user_id); String userCode = user0.getUser_code(); if(user_state==2) { orderService.updateStateByUserId(user_id); cartlistService.updateStateByUserId(user_id); } if (!StringUtils.isBlank(user_code) && !StringUtils.isBlank(user_name) && !StringUtils.isBlank(user_password)) { if (!userCode.equals(user_code) && userService.selectByUserCode(user_code) != null) { return "FAIL1"; // 错误1：（屏蔽账号未更改就提交的情况，如果和别人的账号一致）账号已存在 } user0.setUser_code(user_code); user0.setUser_name(user_name); user0.setUser_password(user_password); user0.setUser_state(user_state); int rows = userService.updateByPrimaryKey(user0); if (rows > 0) { return "OK"; } else { return "FAIL2"; // 错误2：更新失败 } } return "FAIL3"; // 错误3：空输入 } }