毕业设计 - 基于java web博客系统的设计与实现【源码+论文】

文章目录

• 前言
• 一、项目设计
• • 1. 模块设计
  • 1. 实现效果
• 二、部分源码
• 项目工程

前言

今天学长向大家分享一个 java web 毕设 项目:

文章发布系统的设计与实现

一、项目设计

1. 模块设计

根据需求分析的结果，文章发布系统主要划分两个子模块后台管理模块，前台门户模块，各模块又包含子模块。分为以下几个模块

• 界面设计模块
• 用户注册模块
• 用户登录模块
• 文章搜索模块
• 用户留言模块
• 用户评论模块
• 用户信息管理模块
• 功能管理部分
• 用户管理模块
• 公告管理模块
• 文章管理模块
• 评论管理模块
• 留言管理模块
• 管理员管理模块

2. 实现效果

功能较多，学长这里就不一 一展示了

二、部分源码

部分代码示例：

package control;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileItem;
import org.apache.commons.fileupload.FileUpload;
import org.apache.commons.fileupload.RequestContext;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import org.apache.commons.fileupload.servlet.ServletRequestContext;
import util.Info;
import dao.CommDAO;
public class MainCtrl extends HttpServlet {
    public MainCtrl() {
        super();
    }
    public void destroy() {
        super.destroy(); // Just puts "destroy" string in log
        // Put your code here
    }
    public void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
    this.doPost(request, response);
    }
        public void go(String url,HttpServletRequest request, HttpServletResponse response)
        {
        try {
            request.getRequestDispatcher(url).forward(request, response);
        } catch (ServletException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        }
        public void gor(String url,HttpServletRequest request, HttpServletResponse response)
        {
            try {
                response.sendRedirect(url);
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
    public void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        String ac = request.getParameter("ac");
        if(ac==null)ac="";
        CommDAO dao = new CommDAO();
        String date = Info.getDateStr();
        String today = date.substring(0,10);
        String tomonth = date.substring(0,7);
        //登录
        if(ac.equals("login"))
        {
            String username = request.getParameter("uname");
            String password = request.getParameter("upass");
            String utype = request.getParameter("utype");
            String sql = "select * from sysuser where uname='"+username+"' and upass='"+password+"' and utype='"+utype+"'";
            List<HashMap> userlist = dao.select(sql);
            if(userlist.size()!=1)
            {
                request.setAttribute("error", "");
                go("/index.jsp", request, response);
            }else{
                request.getSession(). setAttribute("user", userlist.get(0));
                gor("/newspubs/admin/index.jsp", request, response);
            }
        }
        if(ac.equals("uploaddoc"))
        {
            try {
                String filename="";
            request.setCharacterEncoding("utf-8");
            RequestContext  requestContext = new ServletRequestContext(request);
            if(FileUpload.isMultipartContent(requestContext)){
               DiskFileItemFactory factory = new DiskFileItemFactory();
               factory.setRepository(new File(request.getRealPath("/upfile/")+"/"));
               ServletFileUpload upload = new ServletFileUpload(factory);
               upload.setSizeMax(100*1024*1024);
               List items = new ArrayList();
                 items = upload.parseRequest(request);
                FileItem fileItem = (FileItem) items.get(0);
               if(fileItem.getName()!=null && fileItem.getSize()!=0)
                {
                if(fileItem.getName()!=null && fileItem.getSize()!=0){
                  File fullFile = new File(fileItem.getName());
                  filename = Info.generalFileName(fullFile.getName());
                  File newFile = new File(request.getRealPath("/upfile/")+"/" + filename);
                  try {
                   fileItem.write(newFile);
                  } catch (Exception e) {
                   e.printStackTrace();
                  }
                 }else{
                 }
                }
            }
            go("/js/uploaddoc.jsp?docname="+filename, request, response);
            } catch (Exception e1) {
                e1.printStackTrace();
                }
        }
        //登录
        if(ac.equals("flogin"))
        {
            String username = request.getParameter("uname");
            String password = request.getParameter("upass");
            String utype = request.getParameter("utype");
            String sql = "select * from sysuser where uname='"+username+"' and upass='"+password+"' ";
            List<HashMap> userlist = dao.select(sql);
            if(userlist.size()!=1)
            {
                request.setAttribute("error", "");
                go("/login.jsp", request, response);
            }else{
                request.getSession(). setAttribute("user", userlist.get(0));
                gor("index.jsp", request, response);
            }
        }
        //修改密码
        if(ac.equals("uppass"))
        {
            String pass = request.getParameter("pass");
            String id = request.getParameter("id");
            String sql = "update sysuser set upass='"+pass+"' where id="+id;
            dao.commOper(sql);
            request.setAttribute("suc", "");
            go("/admin/uppass.jsp", request, response);
        }
        if(ac.equals("adduser"))
        {
            String uname = request.getParameter("uname");
            String upass = request.getParameter("upass");
            String utype = request.getParameter("utype");
            int i = dao.getInt("select count(*) from sysuser where uname='"+uname+"'");
            if(i==0)
            {
            String sql = "insert into sysuser values('"+uname+"','"+upass+"','"+date+"','"+utype+"')";
            dao.commOper(sql);
            }
            gor("/newspubs/admin/adduser.jsp?suc=suc",request,response);
        }
        if(ac.equals("upuser"))
        {
            String id = request.getParameter("id");
            String upass = request.getParameter("upass");
            String utype = request.getParameter("utype");
            String sql = "update sysuser set upass='"+upass+"',utype='"+utype+"' where id="+id;
            dao.commOper(sql);
            go("/admin/upuser.jsp?suc=suc",request,response);
        }
        if(ac.equals("uploadimg"))
        {
            try {
                String filename="";
            request.setCharacterEncoding("utf-8");
            RequestContext  requestContext = new ServletRequestContext(request);
            if(FileUpload.isMultipartContent(requestContext)){
               DiskFileItemFactory factory = new DiskFileItemFactory();
               factory.setRepository(new File(request.getRealPath("/upfile/")+"/"));
               ServletFileUpload upload = new ServletFileUpload(factory);
               upload.setSizeMax(100*1024*1024);
               List items = new ArrayList();
                 items = upload.parseRequest(request);
                FileItem fileItem = (FileItem) items.get(0);
               if(fileItem.getName()!=null && fileItem.getSize()!=0)
                {
                if(fileItem.getName()!=null && fileItem.getSize()!=0){
                  File fullFile = new File(fileItem.getName());
                  filename = Info.generalFileName(fullFile.getName());
                  File newFile = new File(request.getRealPath("/upfile/")+"/" + filename);
                  try {
                   fileItem.write(newFile);
                  } catch (Exception e) {
                   e.printStackTrace();
                  }
                 }else{
                 }
                }
            }
            go("/js/uploadimg.jsp?filename="+filename, request, response);
            } catch (Exception e1) {
                e1.printStackTrace();
                }
        }
        if(ac.equals("uploadimg"))
        {
            try {
                String filename="";
            request.setCharacterEncoding("utf-8");
            RequestContext  requestContext = new ServletRequestContext(request);
            if(FileUpload.isMultipartContent(requestContext)){
               DiskFileItemFactory factory = new DiskFileItemFactory();
               factory.setRepository(new File(request.getRealPath("/upfile/")+"/"));
               ServletFileUpload upload = new ServletFileUpload(factory);
               upload.setSizeMax(100*1024*1024);
               List items = new ArrayList();
                 items = upload.parseRequest(request);
                FileItem fileItem = (FileItem) items.get(0);
               if(fileItem.getName()!=null && fileItem.getSize()!=0)
                {
                if(fileItem.getName()!=null && fileItem.getSize()!=0){
                  File fullFile = new File(fileItem.getName());
                  filename = Info.generalFileName(fullFile.getName());
                  File newFile = new File(request.getRealPath("/upfile/")+"/" + filename);
                  try {
                   fileItem.write(newFile);
                  } catch (Exception e) {
                   e.printStackTrace();
                  }
                 }else{
                 }
                }
            }
            go("/js/uploadimg.jsp?filename="+filename, request, response);
            } catch (Exception e1) {
                e1.printStackTrace();
                }
        }
        dao.close();
        out.flush();
        out.close();
    }
    public void init() throws ServletException {
        // Put your code here
    }
}

项目工程