基于ssm的美食推荐系统(代码+数据库脚本)

//-------------------------6524-------------------------- //-----------------作者Q: 1305637939------------------- //-----------------调试运行代码，完善代码, 定制代码------------------- package com.controller; import java.util.ArrayList; import java.util.List; import java.util.UUID; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.entity.Article; import com.entity.Cart; import com.entity.Cate; import com.entity.Complains; import com.entity.Details; import com.entity.Fav; import com.entity.Foods; import com.entity.Hist; import com.entity.Orders; import com.entity.Topic; import com.entity.Users; import com.service.ArticleService; import com.service.CartService; import com.service.CateService; import com.service.ComplainsService; import com.service.CosService; import com.service.DetailsService; import com.service.FavService; import com.service.FoodsService; import com.service.HistService; import com.service.OrdersService; import com.service.RecommendService; import com.service.TopicService; import com.service.UsersService; import com.util.PageHelper; import com.util.VeDate; //定义为控制器 @Controller // 设置路径 @RequestMapping("/index") public class IndexController extends BaseController { @Autowired private UsersService usersService; @Autowired private ArticleService articleService; @Autowired private CateService cateService; @Autowired private FoodsService foodsService; @Autowired private CartService cartService; @Autowired private OrdersService ordersService; @Autowired private DetailsService detailsService; @Autowired private TopicService topicService; @Autowired private ComplainsService complainsService; @Autowired private FavService favService; @Autowired private HistService histService; @Autowired private CosService cosService; @Autowired private RecommendService recommendService; // 内容(余弦函数)算法调用 private void cos(String cateid) { // 推荐食品的算法 1 用户未登录 直接调用foodsService的getGoodsByHot方法 // 2 用户登录 但是没有浏览食品 则调用1 // 3 用户登录 且有浏览的食品 调用cosService 通过协同过滤算法 自动推荐食品 if (this.getSession().getAttribute("userid") == null) { List<Foods> buyList = this.foodsService.getFoodsByRandom(cateid); this.getRequest().setAttribute("buyList", buyList); } else { String userid = (String) this.getSession().getAttribute("userid"); List<Foods> buyList = this.cosService.getRecommend(userid, cateid); this.getRequest().setAttribute("buyList", buyList); } } private void recommend() { if (this.getSession().getAttribute("userid") == null) { List<Foods> hotList = this.foodsService.getFoodsByHot(); this.getRequest().setAttribute("hotList", hotList); } else { String userid = (String) this.getSession().getAttribute("userid"); Hist hist = new Hist(); hist.setUsersid(userid); List<Hist> histList = this.histService.getHistByCond(hist); if (histList.size() == 0) { List<Foods> hotList = this.foodsService.getFoodsByHot(); this.getRequest().setAttribute("hotList", hotList); } else { List<Foods> hotList = this.recommendService.getRecommend(userid); this.getRequest().setAttribute("hotList", hotList); System.out.println(hotList.size()); } } } // 公共方法 提供公共查询数据 private void front() { this.getRequest().setAttribute("title", "美食推荐系统"); List<Cate> cateList = this.cateService.getAllCate(); this.getRequest().setAttribute("cateList", cateList); } // 首页显示 @RequestMapping("index.action") public String index() { this.front(); List<Cate> cateList = this.cateService.getCateFront(); List<Cate> frontList = new ArrayList<Cate>(); for (Cate cate : cateList) { List<Foods> foodsList = this.foodsService.getFoodsByCate(cate.getCateid()); cate.setFoodsList(foodsList); frontList.add(cate); } this.getRequest().setAttribute("frontList", frontList); return "users/index"; } // 公告 @RequestMapping("article.action") public String article(String number) { this.front(); List<Article> tempList = this.articleService.getAllArticle(); PageHelper.getIndexPage(tempList, "article", "article", null, 10, number, this.getRequest()); this.recommend(); return "users/article"; } // 阅读公告 @RequestMapping("read.action") public String read(String id) { this.front(); Article article = this.articleService.getArticleById(id); article.setHits("" + (Integer.parseInt(article.getHits()) + 1)); this.articleService.updateArticle(article); this.getRequest().setAttribute("article", article); return "users/read"; } // 准备登录 @RequestMapping("preLogin.action") public String prelogin() { this.front(); return "users/login"; } // 用户登录 @RequestMapping("login.action") public String login() { this.front(); String username = this.getRequest().getParameter("username"); String password = this.getRequest().getParameter("password"); Users u = new Users(); u.setUsername(username); List<Users> usersList = this.usersService.getUsersByCond(u); if (usersList.size() == 0) { this.getSession().setAttribute("message", "用户名不存在"); return "redirect:/index/preLogin.action"; } else { Users users = usersList.get(0); if (password.equals(users.getPassword())) { this.getSession().setAttribute("userid", users.getUsersid()); this.getSession().setAttribute("username", users.getUsername()); this.getSession().setAttribute("users", users); return "redirect:/index/index.action"; } else { this.getSession().setAttribute("message", "密码错误"); return "redirect:/index/preLogin.action"; } } } // 准备注册 @RequestMapping("preReg.action") public String preReg() { this.front(); return "users/register"; } // 用户注册 @RequestMapping("register.action") public String register(Users users) { this.front(); Users u = new Users(); u.setUsername(users.getUsername()); List<Users> usersList = this.usersService.getUsersByCond(u); if (usersList.size() == 0) { users.setRegdate(VeDate.getStringDateShort()); this.usersService.insertUsers(users); } else { this.getSession().setAttribute("message", "用户名已存在"); return "redirect:/index/preReg.action"; } return "redirect:/index/preLogin.action"; } // 退出登录 @RequestMapping("exit.action") public String exit() { this.front(); this.getSession().removeAttribute("userid"); this.getSession().removeAttribute("username"); this.getSession().removeAttribute("users"); return "redirect:/index/index.action"; } // 修改密码 @RequestMapping("editpwd.action") public String editpwd() { this.front(); if (this.getSession().getAttribute("userid") == null) { return "redirect:/index/preLogin.action"; } String userid = (String) this.getSession().getAttribute("userid"); String password = this.getRequest().getParameter("password"); String repassword = this.getRequest().getParameter("repassword"); Users users = this.usersService.getUsersById(userid); if (password.equals(users.getPassword())) { users.setPassword(repassword); this.usersService.updateUsers(users); } else { this.getSession().setAttribute("message", "旧密码错误"); return "redirect:/index/prePwd.action"; } this.getSession().setAttribute("message", "修改成功"); return "redirect:/index/prePwd.action"; } @RequestMapping("usercenter.action") public String usercenter() { this.front(); if (this.getSession().getAttribute("u