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主要功能模块设计：

登录注册、首页信息浏览、选课分类查看、选课详情查看、评论交流、收藏、浏览量、以及后台数据管理、用户管理、选课类别管理、选课信息详情管理、评论交流和回复管理、以及公告信息管理等

主要技术：

Java、springmvc、mybatis、mysql、tomcat、jquery、layui、JavaScript、html、css、jsp、log4j等一些常见的基本技术。

主要功能实现前端：

选课平台首页：

输入http://localhost/访问选课推荐交流平台首页、可以查看轮播图以及各类信息、点击进入详情页面

登录注册管理：

选课推荐分类：

点击查看分类课程推荐信息、按照类别查看课程信息、管理员可以在后台添加课程分类信息
以及根据访问量来进行点击排行、

课程详情信息：

课程详情可以查看课程详情信息以及作者信息和浏览量等具体数据、也可以进行评论和收藏等操作

我的个人中心：

包括我的个人信息和收藏夹信息、

主要功能实现后台：

系统主页设计：

主要功能模块有首页的信息统计、选课类型管理、选课详情管理、用户管理、评论和公告管理等数据维护。

选课类型管理：

选课信息详情管理：

列表信息查看添加修改删除以及检索等操作

详情信息

通知公告信息：

数据列表查看和添加修改删除等操作

用户信息管理：

评论交流回复管理：

评论和回复的数据管理

部分关键代码展示：

登录模块：

package com.longwang.controller;import com.longwang.entity.Article;
import com.longwang.entity.Classify;
import com.longwang.entity.User;
import com.longwang.service.ArticleService;
import com.longwang.service.ClassifyService;
import com.longwang.service.NoticeService;
import com.longwang.service.UserService;
import com.longwang.util.DateUtil;
import com.longwang.util.StringUtil;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.ModelAndView;import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import java.io.File;
import java.util.*;/*** 根路径以及其他请求处理* * @author 李杨勇**/
@Controller
public class IndexController {@Value("${imageFilePath}")private String imageFilePath; // 文件路径@Resourceprivate NoticeService noticeService;@Resourceprivate UserService userService;@Resourceprivate ArticleService articleService;@Resourceprivate ClassifyService classifyService;@RequestMapping("/")public String index(HttpSession session) {// 查询公告session.setAttribute("noticeList", noticeService.list(0, 5));return "index";// 跳转到index.html}@RequestMapping("/delete")public Map<String, Object> delete(Integer userId) {Map<String, Object> resultMap = new HashMap<String, Object>();userService.delete(userId);resultMap.put("errorNo", 0);return resultMap;}/*** 登录页面* * @return*/@RequestMapping("/login")public String login() {return "login";}/*** 前台登录页面* * @return*/@RequestMapping("/webLogin")public String webLogin() {return "webLogin";}/*** 注册* * @return*/@RequestMapping("/regist")public String regist() {return "regist";}/*** 保存注册信息* * @param user* @return*/@RequestMapping("/saveUser")public String saveUser(User user) {List<Article> randomArticle = articleService.getRandomArticle(3);String ids="";for (int i = 0; i < randomArticle.size(); i++) {Integer articleId = randomArticle.get(i).getArticleId();ids+=articleId+",";}ids = ids.substring(0, ids.length() -1);user.setArticleIds(ids);userService.save(user);return "webLogin";}/*** 退出登录* * @param request* @return*/@RequestMapping("/quit")public String quit(HttpServletRequest request) {HttpSession session = request.getSession();session.removeAttribute("user");return "index";}/*** 退出登录* * @param request* @return*/@RequestMapping("/quitAdmin")public String quitAdmin(HttpServletRequest request) {HttpSession session = request.getSession();session.removeAttribute("user");return "login";}/*** 验证登录** @param user* @param request* @return*/@RequestMapping("/checkLogin")public ModelAndView checkLogin(User user, HttpServletRequest request) {ModelAndView mav = new ModelAndView();HttpSession session = request.getSession();User u = userService.findByUsernameAndPassword(user.getUsername(), user.getPassword());if (u == null) {mav.addObject("user", user);mav.addObject("errorInfo", "用户名或者密码错误!");mav.setViewName("webLogin");} else {u.setLatelyLoginTime(new Date());userService.save(u);session.setAttribute("user", u);mav.addObject("username", u.getUsername());mav.addObject("user", u);mav.addObject("success", true);mav.setViewName("/index");}return mav;}/*** 查看个人信息* * @return*/@RequestMapping("viewPerson")public ModelAndView viewPerson(HttpServletRequest request) {User user = (User) request.getSession().getAttribute("user");ModelAndView mav = new ModelAndView();User u = userService.findById(user.getUserId());mav.addObject("user", u);mav.setViewName("/viewPerson");return mav;}/*** 查看个人课程收藏夹* * @return*/@RequestMapping("viewCollection")public ModelAndView viewCollection(HttpServletRequest request, HttpSession session) {User user = (User) request.getSession().getAttribute("user");ModelAndView mav = new ModelAndView();User u = userService.findById(user.getUserId());String artIds = u.getArticleIds();List<String> result = new ArrayList<>();if (StringUtils.isNotBlank(artIds)) {result = Arrays.asList(StringUtils.split(artIds, ","));}List<Integer> retIds = new ArrayList<>();for (String temp : result) {retIds.add(Integer.valueOf(temp).intValue());}List<Article> retArt = articleService.findByListId(retIds);session.setAttribute("noticeList", noticeService.list(0, 5));mav.addObject("retArt", retArt);mav.addObject("user", u);mav.setViewName("/viewCollection");return mav;}/*** 查看个人关注用户* * @return*/@RequestMapping("viewFocusUser")public ModelAndView viewFocusUser(HttpServletRequest request, HttpSession session) {User user = (User) request.getSession().getAttribute("user");ModelAndView mav = new ModelAndView();User u = userService.findById(user.getUserId());String userIds = u.getUserIds();List<String> result = new ArrayList<>();if (StringUtils.isNotBlank(userIds)) {result = Arrays.asList(StringUtils.split(userIds, ","));}List<Integer> retIds = new ArrayList<>();for (String temp : result) {retIds.add(Integer.valueOf(temp).intValue());}List<User> retArt = userService.findByListId(retIds);session.setAttribute("noticeList", noticeService.list(0, 5));mav.addObject("retArt", retArt);mav.addObject("user", u);mav.setViewName("/viewFocusUser");return mav;}/*** 保存用户信息* * @param user* @return*/@RequestMapping("/save")public ModelAndView save(User user) {ModelAndView mav = new ModelAndView();userService.save(user);mav.setViewName("/index");return mav;}/*** 写笔记页面* * @param request* @return*/// @RequestMapping("notePage")// public String notePage(HttpServletRequest request, Model model) {// User user = (User) request.getSession().getAttribute("user");// if (user == null) {// return "webLogin";// }// List<Classify> list = classifyService.findAll();// model.addAttribute("list", list);// return "one";// }@RequestMapping("notePage")public ModelAndView notePage(HttpServletRequest request) {ModelAndView mav = new ModelAndView();User user = (User) request.getSession().getAttribute("user");if (user == null) {mav.setViewName("/webLogin");return mav;}List<Classify> list = classifyService.findAll();mav.addObject("list", list);mav.setViewName("/one");return mav;}/*** 保存笔记* * @param article* @param request* @return*/@RequestMapping("addNote")public ModelAndView addNote(Article article, HttpServletRequest request) {ModelAndView mav = new ModelAndView();// 获取当前用户信息User user = (User) request.getSession().getAttribute("user");article.setUserId(user.getUserId());article.setPublishDate(new Date());article.setClick(0);article.setCommentNum(0);article.setContentNoTag(StringUtil.Html2Text(article.getContent()));articleService.save(article);mav.setViewName("/index");return mav;}@RequestMapping("saveNote")public ModelAndView saveNote(Article article, HttpServletRequest request) {ModelAndView mav = new ModelAndView();Article a = articleService.findById(article.getArticleId());article.setPublishDate(a.getPublishDate());// 获取当前用户信息articleService.save(article);mav.setViewName("/index");return mav;}/*** 查看笔记* * @return*/@RequestMapping("viewNote")public String viewNote(HttpSession session) {session.setAttribute("noticeList", noticeService.list(0, 5));return "mylist";}@RequestMapping("/delete/{id}")public String delete(@PathVariable(value = "id") String id) throws Exception {articleService.delete(Integer.parseInt(id));return "mylist";}/*** 查看个人笔记加载数据列表* * @param article* @param publishDates* @param page* @param pageSize* @return*/@RequestMapping("/mylist")public Map<String, Object> list(Article article,@RequestParam(value = "publishDates", required = false) String publishDates,@RequestParam(value = "page", required = false) Integer page,@RequestParam(value = "pageSize", required = false) Integer pageSize, HttpServletRequest request) {Map<String, Object> resultMap = new HashMap<String, Object>();// User user = (User) request.getSession().getAttribute("user");// article.setUserId(user.getUserId());String s_bPublishDate = null; // 开始时间String s_ePublishDate = null; // 结束时间if (StringUtil.isNotEmpty(publishDates)) {String[] strs = publishDates.split(" - "); // 拆分时间段s_bPublishDate = strs[0];s_ePublishDate = strs[1];}Long total = articleService.getCount(article, s_bPublishDate, s_ePublishDate);int totalPage = (int) (total % pageSize == 0 ? total / pageSize : total / pageSize + 1); // 总页数resultMap.put("totalPage", totalPage);resultMap.put("errorNo", 0);resultMap.put("data", articleService.list(article, s_bPublishDate, s_ePublishDate, page - 1, pageSize));resultMap.put("total", total);return resultMap;}/*** 后台默认首页* * @return*/@RequestMapping("/index")public String root() {return "/common/index";}/*** 博主信息页面* * @return*/@RequestMapping("/blogger")public String blogger() {return "/blogger/index";}/*** 图片上传处理 @Title: ckeditorUpload @param file 图片文件 @return 参数说明 @return* Map<String,Object> 返回类型 @throws*/@ResponseBody@RequestMapping("/upload")public Map<String, Object> ckeditorUpload(@RequestParam("file") MultipartFile file) {Map<String, Object> resultMap = new HashMap<String, Object>();Map<String, Object> resultMap1 = new HashMap<String, Object>();String fileName = file.getOriginalFilename(); // 获取文件名String suffixName = fileName.substring(fileName.lastIndexOf(".")); // 获取文件的后缀String newFileName = "";try {newFileName = DateUtil.getCurrentDateStr() + suffixName; // 新文件名FileUtils.copyInputStreamToFile(file.getInputStream(), new File(imageFilePath + newFileName)); // 上传} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}resultMap.put("code", 0);resultMap1.put("filePath", newFileName);resultMap.put("data", resultMap1);return resultMap;}}

配置模块：

server: port: 80servlet:context-path: /spring: datasource: driver-class-name: com.mysql.jdbc.Driverurl: jdbc:mysql://localhost:3306/choosing_courses?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghaiusername: rootpassword: 123456jpa:hibernate:ddl-auto: updateshow-sql: truedatabase-platform: org.hibernate.dialect.MySQLDialectthymeleaf:cache: falsethymeleaf:prefix: classpath:/templates/MD5Salt: longwangimageFilePath: C:\\Users\\Administrator\\Desktop\\choosingCourses\\src\\main\\webapp\\static\\images\\
downloadImagePath:  C:\\Users\\Administrator\\Desktop\\choosingCourses\\src\\main\\webapp
lucenePath: C:\\Users\\Administrator\\Desktop\\choosingCourses\\lucene

主要表设计：

用户表：

CREATE TABLE `NewTable` (
`user_id`  int(11) NOT NULL AUTO_INCREMENT ,
`head_portrait`  varchar(200) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`lately_login_time`  datetime NULL DEFAULT NULL ,
`nickname`  varchar(200) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`registration_date`  datetime NULL DEFAULT NULL ,
`sex`  varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`open_id`  varchar(200) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`password`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`username`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`article_ids`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`birthday`  date NULL DEFAULT NULL ,
`momo`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`phone`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
`user_ids`  varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL ,
PRIMARY KEY (`user_id`)
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci
AUTO_INCREMENT=20
ROW_FORMAT=COMPACT
;

选课类型表：

CREATE TABLE `NewTable` (
`classify_id`  int(11) NOT NULL AUTO_INCREMENT ,
`classify_name`  varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL ,
PRIMARY KEY (`classify_id`)
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8mb4 COLLATE=utf8mb4_general_ci
AUTO_INCREMENT=27
ROW_FORMAT=COMPACT
;

选课详情表：

CREATE TABLE `NewTable` (
`article_id`  int(11) NOT NULL AUTO_INCREMENT ,
`author`  varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL ,
`click`  int(11) NULL DEFAULT NULL ,
`comment_num`  int(11) NULL DEFAULT NULL ,
`content`  text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL ,
`image_name`  varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL ,
`is_original`  int(11) NULL DEFAULT NULL ,
`is_top`  int(11) NULL DEFAULT NULL ,
`publish_date`  datetime NULL DEFAULT NULL ,
`title`  varchar(200) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NOT NULL ,
`classify_id`  int(11) NULL DEFAULT NULL ,
`user_id`  int(11) NULL DEFAULT NULL ,
PRIMARY KEY (`article_id`),
FOREIGN KEY (`classify_id`) REFERENCES `t_classify` (`classify_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
INDEX `FKo4fros4yfq1m9ay7sgtlcvbc4` (`classify_id`) USING BTREE 
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8mb4 COLLATE=utf8mb4_general_ci
AUTO_INCREMENT=58
ROW_FORMAT=COMPACT
;

评论交流表：

CREATE TABLE `NewTable` (
`comment_id`  int(11) NOT NULL AUTO_INCREMENT ,
`comment_date`  datetime NULL DEFAULT NULL ,
`content`  varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL ,
`article_id`  int(11) NULL DEFAULT NULL ,
`user_id`  int(11) NULL DEFAULT NULL ,
PRIMARY KEY (`comment_id`),
FOREIGN KEY (`article_id`) REFERENCES `t_article` (`article_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
FOREIGN KEY (`user_id`) REFERENCES `t_user` (`user_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
INDEX `FKlsvvc2ob8lxg2m9qqry15ru0y` (`article_id`) USING BTREE ,
INDEX `FKtamaoacctq4qpko6bvtv0ke1p` (`user_id`) USING BTREE 
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8mb4 COLLATE=utf8mb4_general_ci
AUTO_INCREMENT=15
ROW_FORMAT=COMPACT
;

回复信息表：

CREATE TABLE `NewTable` (
`reply_id`  int(11) NOT NULL AUTO_INCREMENT ,
`content`  varchar(500) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL ,
`reply_date`  datetime NULL DEFAULT NULL ,
`comment_id`  int(11) NULL DEFAULT NULL ,
`user_id`  int(11) NULL DEFAULT NULL ,
PRIMARY KEY (`reply_id`),
FOREIGN KEY (`comment_id`) REFERENCES `t_comment` (`comment_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
FOREIGN KEY (`user_id`) REFERENCES `t_user` (`user_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
INDEX `FKk4ydp71wampdbnguly8iks4rf` (`comment_id`) USING BTREE ,
INDEX `FKslt6r79iw1p9cbxns09erjv6v` (`user_id`) USING BTREE 
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8mb4 COLLATE=utf8mb4_general_ci
AUTO_INCREMENT=6
ROW_FORMAT=COMPACT
;

获取源码：
总体来说这个项目功能相对还是比较简单优秀的、适合初学者作为课程设计和毕业设计参考
🍅 查看下方微信号获取联系方式 承接各种定制系统 📝
🚀🚀🚀精彩系列推荐
Java毕设项目精品实战案例《1000套》
感兴趣的可以先收藏起来，还有大家在毕设选题，项目以及论文编写等相关问题都可以给我留言咨询，希望帮助更多的人