毕业设计：基于Web实现多用户宿舍管理系统

项目编号：BS-GX-033

开发技术：

后台：jsp+servlet+jdbc

前台：jsp+bootstrap

运行环境：

数据库：mysql5.7

JDK: 1.8

Maven: 3.9

开发工具：IDEA /Eclipse

本系统基于jsp实现了一个宿舍管理系统，功能完整，界面美观大方，交互简洁方便，比较适合做毕业设计使用。主要分为三个角色用户：管理员，宿舍管理员，学生

系统管理员：用户管理、宿舍楼管理、楼管管理、缺勤管理。

宿舍管理员主要包括：

缺勤管理、学生管理

学生主要包括：缺勤查看

系统主要实现功能界面展示如下：

管理员登陆

学生管理

宿舍楼管理

缺勤管理

宿舍管理员登陆

缺勤管理

学生登陆系统

核心实现代码如下：

package com.servlet;import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;@WebServlet(name = "BlankServlet")
public class BlankServlet extends HttpServlet {@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {HttpSession session = request.getSession();Object currentUserType = session.getAttribute("currentUserType");if("admin".equals((String)currentUserType)) {request.setAttribute("mainPage", "admin/blank.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);} else if("dormManager".equals((String)currentUserType)) {request.setAttribute("mainPage", "dormManager/blank.jsp");request.getRequestDispatcher("mainManager.jsp").forward(request, response);} else if("student".equals((String)currentUserType)) {request.setAttribute("mainPage", "student/blank.jsp");request.getRequestDispatcher("mainStudent.jsp").forward(request, response);}}
}

package com.servlet;import java.io.IOException;
import java.sql.Connection;
import java.util.List;import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;import com.dao.DormBuildDao;
import com.model.DormBuild;
import com.model.DormManager;
import com.model.PageBean;
import com.util.DbUtil;
import com.util.StringUtil;@WebServlet(name = "DormBuildServlet")
public class DormBuildServlet extends HttpServlet {DbUtil dbUtil = new DbUtil();DormBuildDao dormBuildDao = new DormBuildDao();@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("utf-8");HttpSession session = request.getSession();String s_dormBuildName = request.getParameter("s_dormBuildName");String page = request.getParameter("page");String action = request.getParameter("action");DormBuild dormBuild = new DormBuild();if("preSave".equals(action)) {dormBuildPreSave(request, response);return;} else if("save".equals(action)){dormBuildSave(request, response);return;} else if("delete".equals(action)){dormBuildDelete(request, response);return;} else if("manager".equals(action)){dormBuildManager(request, response);return;} else if("addManager".equals(action)){dormBuildAddManager(request, response);} else if("move".equals(action)){managerMove(request, response);} else if("list".equals(action)) {if(StringUtil.isNotEmpty(s_dormBuildName)) {dormBuild.setDormBuildName(s_dormBuildName);}session.removeAttribute("s_dormBuildName");request.setAttribute("s_dormBuildName", s_dormBuildName);} else if("search".equals(action)){if(StringUtil.isNotEmpty(s_dormBuildName)) {dormBuild.setDormBuildName(s_dormBuildName);session.setAttribute("s_dormBuildName", s_dormBuildName);}else {session.removeAttribute("s_dormBuildName");}} else {if(StringUtil.isNotEmpty(s_dormBuildName)) {dormBuild.setDormBuildName(s_dormBuildName);session.setAttribute("s_dormBuildName", s_dormBuildName);}if(StringUtil.isEmpty(s_dormBuildName)) {Object o = session.getAttribute("s_dormBuildName");if(o!=null) {dormBuild.setDormBuildName((String)o);}}}if(StringUtil.isEmpty(page)) {page="1";}Connection con = null;PageBean pageBean = new PageBean(Integer.parseInt(page), 5);request.setAttribute("pageSize", pageBean.getPageSize());request.setAttribute("page", pageBean.getPage());try {con=dbUtil.getCon();List<DormBuild> dormBuildList = dormBuildDao.dormBuildList(con, pageBean, dormBuild);int total=dormBuildDao.dormBuildCount(con, dormBuild);String pageCode = this.genPagation(total, Integer.parseInt(page), 5);request.setAttribute("pageCode", pageCode);request.setAttribute("dormBuildList", dormBuildList);request.setAttribute("mainPage", "admin/dormBuild.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void managerMove(HttpServletRequest request,HttpServletResponse response) {String dormBuildId = request.getParameter("dormBuildId");String dormManagerId = request.getParameter("dormManagerId");Connection con = null;try {con = dbUtil.getCon();dormBuildDao.managerUpdateWithId(con, dormManagerId, "0");request.getRequestDispatcher("dormBuild?action=manager&dormBuildId="+dormBuildId).forward(request, response);} catch (Exception e) {e.printStackTrace();}}private void dormBuildAddManager(HttpServletRequest request,HttpServletResponse response) {String dormBuildId = request.getParameter("dormBuildId");String dormManagerId = request.getParameter("dormManagerId");Connection con = null;try {con = dbUtil.getCon();dormBuildDao.managerUpdateWithId(con, dormManagerId, dormBuildId);request.getRequestDispatcher("dormBuild?action=manager&dormBuildId="+dormBuildId).forward(request, response);} catch (Exception e) {e.printStackTrace();}}private void dormBuildManager(HttpServletRequest request,HttpServletResponse response) {String dormBuildId = request.getParameter("dormBuildId");Connection con = null;try {con = dbUtil.getCon();List<DormManager> managerListWithId = dormBuildDao.dormManWithBuildId(con, dormBuildId);List<DormManager> managerListToSelect = dormBuildDao.dormManWithoutBuild(con);request.setAttribute("dormBuildId", dormBuildId);request.setAttribute("managerListWithId", managerListWithId);request.setAttribute("managerListToSelect", managerListToSelect);request.setAttribute("mainPage", "admin/selectManager.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);} catch (Exception e) {e.printStackTrace();}}private void dormBuildDelete(HttpServletRequest request,HttpServletResponse response) {String dormBuildId = request.getParameter("dormBuildId");Connection con = null;try {con = dbUtil.getCon();if(dormBuildDao.existManOrDormWithId(con, dormBuildId)) {request.setAttribute("error", "宿舍楼下有宿舍或宿管，不能删除该宿舍楼");} else {dormBuildDao.dormBuildDelete(con, dormBuildId);}request.getRequestDispatcher("dormBuild?action=list").forward(request, response);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void dormBuildSave(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {String dormBuildId = request.getParameter("dormBuildId");String dormBuildName = request.getParameter("dormBuildName");String detail = request.getParameter("detail");DormBuild dormBuild = new DormBuild(dormBuildName, detail);if(StringUtil.isNotEmpty(dormBuildId)) {dormBuild.setDormBuildId(Integer.parseInt(dormBuildId));}Connection con = null;try {con = dbUtil.getCon();int saveNum = 0;if(StringUtil.isNotEmpty(dormBuildId)) {saveNum = dormBuildDao.dormBuildUpdate(con, dormBuild);} else {saveNum = dormBuildDao.dormBuildAdd(con, dormBuild);}if(saveNum > 0) {request.getRequestDispatcher("dormBuild?action=list").forward(request, response);} else {request.setAttribute("dormBuild", dormBuild);request.setAttribute("error", "保存失败");request.setAttribute("mainPage", "dormBuild/dormBuildSave.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);}} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void dormBuildPreSave(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {String dormBuildId = request.getParameter("dormBuildId");if(StringUtil.isNotEmpty(dormBuildId)) {Connection con = null;try {con = dbUtil.getCon();DormBuild dormBuild = dormBuildDao.dormBuildShow(con, dormBuildId);request.setAttribute("dormBuild", dormBuild);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}request.setAttribute("mainPage", "admin/dormBuildSave.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);}private String genPagation(int totalNum, int currentPage, int pageSize){int totalPage = totalNum%pageSize==0?totalNum/pageSize:totalNum/pageSize+1;StringBuffer pageCode = new StringBuffer();pageCode.append("<li><a href='dormBuild?page=1'>首页</a></li>");if(currentPage==1) {pageCode.append("<li class='disabled'><a href='#'>上一页</a></li>");}else {pageCode.append("<li><a href='dormBuild?page="+(currentPage-1)+"'>上一页</a></li>");}for(int i=currentPage-2;i<=currentPage+2;i++) {if(i<1||i>totalPage) {continue;}if(i==currentPage) {pageCode.append("<li class='active'><a href='#'>"+i+"</a></li>");} else {pageCode.append("<li><a href='dormBuild?page="+i+"'>"+i+"</a></li>");}}if(currentPage==totalPage) {pageCode.append("<li class='disabled'><a href='#'>下一页</a></li>");} else {pageCode.append("<li><a href='dormBuild?page="+(currentPage+1)+"'>下一页</a></li>");}pageCode.append("<li><a href='dormBuild?page="+totalPage+"'>尾页</a></li>");return pageCode.toString();}
}

package com.servlet;import java.io.IOException;
import java.sql.Connection;
import java.util.List;import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;import com.dao.DormManagerDao;
import com.model.DormManager;
import com.model.PageBean;
import com.util.DbUtil;
import com.util.StringUtil;@WebServlet(name = "DormManagerServlet")
public class DormManagerServlet extends HttpServlet {DbUtil dbUtil = new DbUtil();DormManagerDao dormManagerDao = new DormManagerDao();@Overrideprotected void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}@Overrideprotected void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("utf-8");HttpSession session = request.getSession();String s_dormManagerText = request.getParameter("s_dormManagerText");String searchType = request.getParameter("searchType");String page = request.getParameter("page");String action = request.getParameter("action");DormManager dormManager = new DormManager();if("preSave".equals(action)) {dormManagerPreSave(request, response);return;} else if("save".equals(action)){dormManagerSave(request, response);return;} else if("delete".equals(action)){dormManagerDelete(request, response);return;} elseif("list".equals(action)) {if(StringUtil.isNotEmpty(s_dormManagerText)) {if("name".equals(searchType)) {dormManager.setName(s_dormManagerText);} else if("userName".equals(searchType)) {dormManager.setUserName(s_dormManagerText);}}session.removeAttribute("s_dormManagerText");session.removeAttribute("searchType");request.setAttribute("s_dormManagerText", s_dormManagerText);request.setAttribute("searchType", searchType);} else if("search".equals(action)){if (StringUtil.isNotEmpty(s_dormManagerText)) {if ("name".equals(searchType)) {dormManager.setName(s_dormManagerText);} else if ("userName".equals(searchType)) {dormManager.setUserName(s_dormManagerText);}session.setAttribute("searchType", searchType);session.setAttribute("s_dormManagerText", s_dormManagerText);} else {session.removeAttribute("s_dormManagerText");session.removeAttribute("searchType");}} else {if(StringUtil.isNotEmpty(s_dormManagerText)) {if("name".equals(searchType)) {dormManager.setName(s_dormManagerText);} else if("userName".equals(searchType)) {dormManager.setUserName(s_dormManagerText);}session.setAttribute("searchType", searchType);session.setAttribute("s_dormManagerText", s_dormManagerText);}if(StringUtil.isEmpty(s_dormManagerText)) {Object o1 = session.getAttribute("s_dormManagerText");Object o2 = session.getAttribute("searchType");if(o1!=null) {if("name".equals((String)o2)) {dormManager.setName((String)o1);} else if("userName".equals((String)o2)) {dormManager.setUserName((String)o1);}}}}if(StringUtil.isEmpty(page)) {page="1";}Connection con = null;PageBean pageBean = new PageBean(Integer.parseInt(page), 5);request.setAttribute("pageSize", pageBean.getPageSize());request.setAttribute("page", pageBean.getPage());try {con=dbUtil.getCon();List<DormManager> dormManagerList = dormManagerDao.dormManagerList(con, pageBean, dormManager);int total=dormManagerDao.dormManagerCount(con, dormManager);String pageCode = this.genPagation(total, Integer.parseInt(page),5);request.setAttribute("pageCode", pageCode);request.setAttribute("dormManagerList", dormManagerList);request.setAttribute("mainPage", "admin/dormManager.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void dormManagerDelete(HttpServletRequest request,HttpServletResponse response) {String dormManagerId = request.getParameter("dormManagerId");Connection con = null;try {con = dbUtil.getCon();dormManagerDao.dormManagerDelete(con, dormManagerId);request.getRequestDispatcher("dormManager?action=list").forward(request, response);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void dormManagerSave(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {String dormManagerId = request.getParameter("dormManagerId");String userName = request.getParameter("userName");String password = request.getParameter("password");String name = request.getParameter("name");String sex = request.getParameter("sex");String tel = request.getParameter("tel");DormManager dormManager = new DormManager(userName, password, name, sex, tel);if(StringUtil.isNotEmpty(dormManagerId)) {dormManager.setDormManagerId(Integer.parseInt(dormManagerId));}Connection con = null;try {con = dbUtil.getCon();int saveNum = 0;if(StringUtil.isNotEmpty(dormManagerId)) {saveNum = dormManagerDao.dormManagerUpdate(con, dormManager);} else if(dormManagerDao.haveManagerByUser(con, dormManager.getUserName())){request.setAttribute("dormManager", dormManager);request.setAttribute("error", "该用户名已存在");request.setAttribute("mainPage", "admin/dormManagerSave.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}return;} else {saveNum = dormManagerDao.dormManagerAdd(con, dormManager);}if(saveNum > 0) {request.getRequestDispatcher("dormManager?action=list").forward(request, response);} else {request.setAttribute("dormManager", dormManager);request.setAttribute("error", "保存失败");request.setAttribute("mainPage", "admin/dormManagerSave.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);}} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}private void dormManagerPreSave(HttpServletRequest request,HttpServletResponse response)throws ServletException, IOException {String dormManagerId = request.getParameter("dormManagerId");if(StringUtil.isNotEmpty(dormManagerId)) {Connection con = null;try {con = dbUtil.getCon();DormManager dormManager = dormManagerDao.dormManagerShow(con, dormManagerId);request.setAttribute("dormManager", dormManager);} catch (Exception e) {e.printStackTrace();} finally {try {dbUtil.closeCon(con);} catch (Exception e) {e.printStackTrace();}}}request.setAttribute("mainPage", "admin/dormManagerSave.jsp");request.getRequestDispatcher("mainAdmin.jsp").forward(request, response);}private String genPagation(int totalNum, int currentPage, int pageSize){int totalPage = totalNum%pageSize==0?totalNum/pageSize:totalNum/pageSize+1;StringBuffer pageCode = new StringBuffer();pageCode.append("<li><a href='dormManager?page=1'>首页</a></li>");if(currentPage==1) {pageCode.append("<li class='disabled'><a href='#'>上一页</a></li>");}else {pageCode.append("<li><a href='dormManager?page="+(currentPage-1)+"'>上一页</a></li>");}for(int i=currentPage-2;i<=currentPage+2;i++) {if(i<1||i>totalPage) {continue;}if(i==currentPage) {pageCode.append("<li class='active'><a href='#'>"+i+"</a></li>");} else {pageCode.append("<li><a href='dormManager?page="+i+"'>"+i+"</a></li>");}}if(currentPage==totalPage) {pageCode.append("<li class='disabled'><a href='#'>下一页</a></li>");} else {pageCode.append("<li><a href='dormManager?page="+(currentPage+1)+"'>下一页</a></li>");}pageCode.append("<li><a href='dormManager?page="+totalPage+"'>尾页</a></li>");return pageCode.toString();}
}

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