毕业设计项目,为第三方考研机构所设计的信息管理系统，使用Java语言，Tomcat9.0，MySQL8.0

package com.action; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.Map; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import com.dao.ArticleDAO; import com.dao.BbsDAO; import com.dao.CateDAO; import com.dao.CourseDAO; import com.dao.FavDAO; import com.dao.FilesDAO; import com.dao.RebbsDAO; import com.dao.TeacherDAO; import com.dao.TopicDAO; import com.dao.UsersDAO; import com.dao.VedioDAO; import com.dao.XuankeDAO; import com.entity.Article; import com.entity.Bbs; import com.entity.Cate; import com.entity.Course; import com.entity.Fav; import com.entity.Files; import com.entity.Rebbs; import com.entity.Teacher; import com.entity.Topic; import com.entity.Users; import com.entity.Vedio; import com.entity.Xuanke; import java.util.HashMap; import com.util.VeDate; import sun.util.resources.cldr.shi.CalendarData_shi_Latn_MA; //定义为控制器 @Controller // 设置路径 @RequestMapping("/index") public class IndexAction extends BaseAction { private BbsDAO bbsDAO; private UsersDAO usersDAO; private CateDAO cateDAO; private FavDAO favDAO; private RebbsDAO rebbsDAO; private ArticleDAO articleDAO; private CourseDAO courseDAO; private TeacherDAO teacherDAO; private TopicDAO topicDAO; private VedioDAO vedioDAO; private FilesDAO filesDAO; private XuankeDAO xuankeDAO; // 公共方法 提供公共查询数据 private void front() { getRequest().setAttribute("title", "研考教育管理信息系统"); List<Cate> cateList = this.cateDAO.getAllCate(); this.getRequest().setAttribute("cateList", cateList); List<Course> hotList = this.courseDAO.getCourseByHot(); this.getRequest().setAttribute("hotList", hotList); } // 首页显示的控制器 @RequestMapping("index.action") public String index() { this.front(); List<Cate> cateList = this.cateDAO.getAllCate(); List<Cate> frontList = new ArrayList<Cate>(); for (Cate cate : cateList) { List<Course> courseList = this.courseDAO.getCourseByCate(cate.getCateid()); cate.setCourseList(courseList); frontList.add(cate); } this.getRequest().setAttribute("frontList", frontList); List<Teacher> teacherList = this.teacherDAO.getFrontTeacher(); this.getRequest().setAttribute("newsList", teacherList); List<Article> articleList = this.articleDAO.getFrontArticle(); this.getRequest().setAttribute("articleList", articleList); return "users/index"; } // 按分类查询 @RequestMapping("cate.action") public String cate(String id) { this.front(); Course course = new Course(); course.setCateid(id); List<Course> courseList = this.courseDAO.getCourseByCond(course); this.getRequest().setAttribute("courseList", courseList); return "users/list"; } //选课 @RequestMapping("xuanke.action") public String xuanke() { this.front(); // List<Course> courseList = this.courseDAO.getAllCourse(); List <Xuanke> xuankeList=this.xuankeDAO.getAllXuanke(); this.getRequest().setAttribute("xuankeList", xuankeList); return "users/xuanke"; } //测试页面0课程热度图 @RequestMapping("ceshi.action") public String ceshi() { this.front(); List<Course> courseList = this.courseDAO.getAllCourse(); // String[] strings = new String[courseList.size()]; // String[] strings2 = new String[courseList.size()]; // for(int i = 0; i < courseList.size(); i++) { //// strings[i] = //// strings2.add(dCourse.getHits()); // } // Map<String, String[]> map = new HashMap<String, String[]>(); // map.put("names",strings ); //// map.put("hits", value) this.getRequest().setAttribute("courseList", courseList); return "users/ceshi"; } //测试页面1学生男女图 @RequestMapping("ceshi1.action") public String ceshi1() { this.front(); List<Users> usersList = this.usersDAO.getAllUsers(); // String[] strings = new String[courseList.size()]; // String[] strings2 = new String[courseList.size()]; // for(int i = 0; i < courseList.size(); i++) { //// strings[i] = //// strings2.add(dCourse.getHits()); // } // Map<String, String[]> map = new HashMap<String, String[]>(); // map.put("names",strings ); //// map.put("hits", value) this.getRequest().setAttribute("usersList", usersList); return "users/ceshi1"; } //测试页面0课程热度图 @RequestMapping("ceshi2.action") public String ceshi2() { this.front(); List<Users> usersList = this.usersDAO.getAllUsers(); // String[] strings = new String[courseList.size()]; // String[] strings2 = new String[courseList.size()]; // for(int i = 0; i < courseList.size(); i++) { //// strings[i] = //// strings2.add(dCourse.getHits()); // } // Map<String, String[]> map = new HashMap<String, String[]>(); // map.put("names",strings ); //// map.put("hits", value) this.getRequest().setAttribute("usersList", usersList); return "users/ceshi2"; } // 全部商品 @RequestMapping("all.action") public String all(String number) { this.front(); List<Course> courseList = this.courseDAO.getAllCourse(); this.getRequest().setAttribute("courseList", courseList); return "users/list"; } // 新品上架 @RequestMapping("news.action") public String news(String number) { this.front(); List<Course> courseList = this.courseDAO.getCourseByNews(); this.getRequest().setAttribute("courseList", courseList); return "users/list"; } // 查询商品 @RequestMapping("query.action") public String query(String name) { this.front(); Course course = new Course(); course.setCoursename(name); List<Course> courseList = this.courseDAO.getCourseByLike(course); this.getRequest().setAttribute("courseList", courseList); return "users/list"; } // 商品详情 @RequestMapping("coursedetail.action") public String coursedetail(String id) { this.front(); Course course = this.courseDAO.getCourseById(id); course.setHits("" + (Integer.parseInt(course.getHits()) + 1)); this.courseDAO.updateCourse(course); this.getRequest().setAttribute("course", course); Files f = new Files(); f.setCourseid(id); List<Files> filesList = this.filesDAO.getFilesByCond(f); this.getRequest().setAttribute("filesList", filesList); Vedio v = new Vedio(); v.setCourseid(id); List<Vedio> vedioList = this.vedioDAO.getVedioByCond(v); this.getRequest().setAttribute("vedioList", vedioList); Topic t = new Topic(); t.setCourseid(id); List<Topic> topicList = this.topicDAO.getTopicByCond(t); this.getRequest().setAttribute("topicList", topicList); this.getRequest().setAttribute("tnum", topicList.size()); List <Xuanke> xuankeList=this.xuankeDAO.getAllXuanke(); this.getRequest().setAttribute("xuankeList", xuankeList); return "users/detail2"; } // 商品详情 @RequestMapping("coursedetail1.action") public String coursedetail1(String id) { this.front(); Course course = this.courseDAO.getCourseById(id); course.setHits("" + (Integer.parseInt(course.getHits()) + 1)); this.courseDAO.updateCourse(course); this.getRequest().setAttribute("course", course); Files f = new Files(); f.setCourseid(id); List<Files> filesList = this.filesDAO.getFilesByCond(f); this.getRequest().setAttribute("filesList", filesList); Vedio v = new Vedio(); v.setCourseid(id); List<Vedio> vedioList = this.vedioDAO.getVedioByCond(v); this.getRequest().setAttribute("vedioList", vedioList); Topic t = new Topic(); t.setCourseid(id); List<Topic> topicList = this.topicDAO.getTopicByCond(t); this.getRequest().setAttribute("topicList", topicList); this.getRequest().setAttribute("tnum", topicList.size()); return "users/detail"; } @RequestMapping("addTopic.action") public String addTopic() { this.front(); if (this.getSession().getAttribute("userid") == null) { return "redirect:/index/preLogin.action"; } String userid = (String) this.getSession().getAttribute("userid"); Topic top