目录
夏天到了、小雪来给大家降降温
话不多说、直接进入主题
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
@resource
private noticeservice noticeservice;
@resource
private userservice userservice;
@resource
private articleservice articleservice;
@resource
private 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 block
e.printstacktrace();
}
resultmap.put("code", 0);
resultmap1.put("filepath", newfilename);
resultmap.put("data", resultmap1);
return resultmap;
}
}
配置模块：
server: port: 80 servlet: context-path: / spring: datasource: driver-class-name: com.mysql.jdbc.driver url: jdbc:mysql://localhost:3306/choosing_courses?useunicode=true&characterencoding=utf-8&servertimezone=asia/shanghai username: root password: 123456 jpa: hibernate: ddl-auto: update show-sql: true database-platform: org.hibernate.dialect.mysqldialect thymeleaf: cache: false thymeleaf: prefix: classpath:/templates/ md5salt: longwang imagefilepath: 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 ;
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