博客目录
- servlet+Mysql实现的校园论坛管理系统
- 实现功能截图
- 系统功能
- 使用技术
- 代码
- 完整源码
servlet+Mysql实现的校园论坛管理系统
本系统是一个简单的校园论坛系统,学生可以在线发帖并进行帖子评论回复,同同时管理员可以对用户进行管理。
(文末查看完整源码)
实现功能截图
登录
发帖
个人帖子编辑删除
个人信息
帖子评论回复
用户管理
系统功能
本系统实现了以下功能:
1、登录
2、发帖
3、帖子查看
4、帖子删除编辑
5、帖子评论回复
6、用户管理
等
使用技术
数据库:mysql
开发工具:Idea(Myeclispe、Eclipse也可以)
知识点:servlet+jsp
项目结构
代码
java端
实体类
ForumEntity.java
package com.xh.bbs.entity;
import java.sql.Timestamp;
import java.util.ArrayList;
import java.util.List;
/**
* 帖子实体类
*/
public class ForumEntity {
private int fid;
private String title;
private String content;
// private Timestamp createTime;
private Timestamp createTime;
//关联用户,多对一额关联
private UserEntity author = new UserEntity();
//关联回复
private List<ReplyEntity> replyList = new ArrayList<ReplyEntity>();
public int getFid() {
return fid;
}
public void setFid(int fid) {
this.fid = fid;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
// public Timestamp getCreateTime() {
// return createTime;
// }
//
// public void setCreateTime(Timestamp createTime) {
// this.createTime = createTime;
// }
public Timestamp getCreateTime() {
return createTime;
}
public void setCreateTime(Timestamp createTime) {
this.createTime = createTime;
}
public UserEntity getAuthor() {
return author;
}
public void setAuthor(UserEntity author) {
this.author = author;
}
public List<ReplyEntity> getReplyList() {
return replyList;
}
public void setReplyList(List<ReplyEntity> replyList) {
this.replyList = replyList;
}
}
service层
BbsServiceImpl.java
package com.xh.bbs.service;
import java.util.ArrayList;
import java.util.List;
import com.xh.bbs.dao.BbsDaoImpl;
import com.xh.bbs.dao.BbsDaoInf;
import com.xh.bbs.dao.UserDaoImpl;
import com.xh.bbs.dao.UserDaoInf;
import com.xh.bbs.entity.ForumEntity;
import com.xh.bbs.entity.ReplyEntity;
import com.xh.bbs.entity.UserEntity;
public class BbsServiceImpl implements BbsServiceInf{
public List<ForumEntity> findForumList() {
System.out.println("查询帖子列表");
BbsDaoInf bbsDao = new BbsDaoImpl();
UserDaoInf userDao = new UserDaoImpl();
List<ForumEntity> forumList = bbsDao.findForumList();
for (ForumEntity forumEntity : forumList) {
int uid = forumEntity.getAuthor().getUser_id();
UserEntity author = userDao.findUserById(uid);
forumEntity.setAuthor(author);
}
System.out.println(forumList);
return forumList;
}
//发表帖子
public int createForum(ForumEntity forum) {
BbsDaoInf bbsDao = new BbsDaoImpl();
return bbsDao.addForum(forum);
}
public ForumEntity findReplyList(int fid) {
BbsDaoInf bbsDao = new BbsDaoImpl();
UserDaoInf userDao = new UserDaoImpl();
ForumEntity forum = bbsDao.findForumById(fid);
UserEntity author = userDao.findUserById(forum.getAuthor().getUser_id());
List<ReplyEntity> replyList = bbsDao.findReplyList(fid);
for (ReplyEntity replyEntity : replyList) {
UserEntity replyUser = userDao.findUserById(replyEntity.getUser().getUser_id());
replyEntity.setUser(replyUser);
}
forum.setAuthor(author);
forum.setReplyList(replyList);
return forum;
}
//发表回复
public int createReply(ReplyEntity reply) {
BbsDaoInf dao = new BbsDaoImpl();
return dao.addReply(reply);
}
//查询个人发帖
public List<ForumEntity> personForum(int pid){
BbsDaoInf dao=new BbsDaoImpl();
List<ForumEntity> personList=new ArrayList<ForumEntity>();
personList=dao.personForum(pid);
return (personList==null)?null:personList;
}
//删除个人帖子
public void deleteForumByFid(int fid){
BbsDaoInf dao=new BbsDaoImpl();
dao.deleteForum(fid);
}
//删除帖子的所有回复
public void deleteReplyByFid(int fid){
BbsDaoInf dao=new BbsDaoImpl();
dao.deleteReply(fid);
}
//删除帖子下的某个用户的回帖
public void deleteReplyByRid(int rid){
BbsDaoInf dao=new BbsDaoImpl();
dao.deleteReplyByRid(rid);
}
//管理员模块
//删除用户(删除用户信息,发帖信息,回帖信息)
public void dUserAllForumByUid(int uid){
BbsDaoInf dao=new BbsDaoImpl();
dao.dUserAllforumByUid(uid);
}
//删除该用户所有回帖
public void dUserAllreplyByUid(int uid){
BbsDaoInf dao=new BbsDaoImpl();
dao.dUserAllreplyByUid(uid);
}
//删除用户帖子下的所有回帖
public void dUserOtherRelyByFid(int uid){
BbsDaoInf dao=new BbsDaoImpl();
dao.dUserOtherRelyByFid(uid);
}
//查看单个用户发帖情况
public List<ForumEntity> seeUserForumList(int uid){
BbsDaoInf dao=new BbsDaoImpl();
List<ForumEntity> forum=dao.personForum(uid);
return forum;
}
}
servlet层
ForumListServlet.java
package com.xh.bbs.servlet;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.xh.bbs.entity.ForumEntity;
import com.xh.bbs.service.BbsServiceImpl;
import com.xh.bbs.service.BbsServiceInf;
@SuppressWarnings("serial")
public class ForumListServlet extends HttpServlet{
public void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
BbsServiceInf service = new BbsServiceImpl();
List<ForumEntity> forumList = service.findForumList();
request.setAttribute("forumList", forumList);
request.getRequestDispatcher("forumlist.jsp").forward(request, response);
}
}
FindUserByIdServlet.java
package com.xh.bbs.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.xh.bbs.entity.UserEntity;
import com.xh.bbs.service.UserServiceImpl;
import com.xh.bbs.service.UserServiceInf;
@SuppressWarnings("serial")
public class FindUserByIdServlet extends HttpServlet {
public void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
String u_id=request.getParameter("uid");
int uid=Integer.parseInt(u_id);
UserServiceInf service=new UserServiceImpl();
UserEntity user=service.findUser(uid);
request.setAttribute("user",user);
request.getRequestDispatcher("userinfo.jsp").forward(request, response);
}
}
完整源码
觉得有用,记得一键三连哦!