基于javaweb+mysql的jsp+servlet宿舍管理系统(超级管理员、宿舍管理员、学生)(java+jsp+servlet+javabean+mysql+tomcat)
运行环境
Java≥8、MySQL≥5.7、Tomcat≥8
开发工具
eclipse/idea/myeclipse/sts等均可配置运行
适用
课程设计,大作业,毕业设计,项目练习,学习演示等
功能说明
超级管理员:登录退出、宿舍管理员管理、学生管理、宿舍楼管理、缺勤管理、修改密码
宿舍管理员:登录退出、学生管理、缺勤管理
学生:登录退出、缺勤查看
超级管理员
宿舍管理员
学生
技术框架
JSP Servlet MySQL JDBC Tomcat CSS JavaScript
基于javaweb+mysql的JSP+Servlet宿舍管理系统(超级管理员、宿舍管理员、学生)(java+jsp+servlet+javabean+mysql+tomcat)
httpServletRequest.getSession().setAttribute("session_user", user); chain.doFilter(httpServletRequest, response); }else if(requestUrI.startsWith(path+"/student.action") && !roleId.equals(2)) { //当用户发送的请求是学生模块的请求时,只有当前用户角色不是学生就放行 httpServletRequest.getSession().setAttribute("session_user", user); chain.doFilter(httpServletRequest, response); }else if(requestUrI.startsWith(path+"/record.action") || requestUrI.startsWith(path+"/password.action")|| requestUrI.startsWith(path+"/loginOut.action")|| requestUrI.startsWith(path+"/index.action")) { //当用户发送的请求是考勤、修改密码、退出模块的请求时,不管用户的角色是什么,都放行 httpServletRequest.getSession().setAttribute("session_user", user); chain.doFilter(httpServletRequest, response); }else { httpServletRequest.getRequestDispatcher("/index.jsp").forward(httpServletRequest, response); } } /** * @see Filter#init(FilterConfig) */ public void init(FilterConfig fConfig) throws ServletException { // TODO Auto-generated method stub } } /** * Servlet implementation class LoginServlet */ @WebServlet("/login") public class LoginServlet extends HttpServlet { private static final long serialVersionUID = 1L;
String keyword = request.getParameter("keyword"); //当前要查询的页面 String pageIndex = request.getParameter("pageIndex"); System.out.println("dormBuildId:"+dormBuildId+" searchType:"+searchType+" keyword:"+keyword); //默认查询第一页,需两个参数,当前页码pageIndex,每页展示的条数 PageModel pageModel = new PageModel(); if(pageIndex != null && !pageIndex.equals("")) { pageModel.setPageIndex(Integer.parseInt(pageIndex)); } List<User> students = userService.findStudent(dormBuildId,searchType,keyword,user,pageModel); //获取查询处理的总数量 Integer totalNum = userService.findTotalNum(dormBuildId,searchType,keyword,user); System.out.println("totalNum:"+totalNum); System.out.println("students:"+students); request.setAttribute("totalNum", totalNum); request.setAttribute("pageIndex", pageModel.getPageIndex()); request.setAttribute("dormBuildId", dormBuildId); request.setAttribute("searchType", searchType); request.setAttribute("keyword", keyword); request.setAttribute("students", students); request.setAttribute("mainRight", "/WEB-INF/jsp/studentList.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("preAdd")) { //根据用户角色查询宿舍楼进行添加学生, //如当前用户 为宿舍管理员,他只能添加学生到其管理的宿舍楼 //跳转到学生的添加页面 request.setAttribute("mainRight", "/WEB-INF/jsp/studentAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("save")) { //保存学生 String stuCode = request.getParameter("stuCode"); String name = request.getParameter("name"); String sex = request.getParameter("sex"); String tel = request.getParameter("tel"); String passWord = request.getParameter("passWord"); String dormBuildId= request.getParameter("dormBuildId"); String dormCode = request.getParameter("dormCode"); System.out.println("stuCode:"+stuCode+" name:"+name+" sex:"+sex+ " tel:"+tel+" passWord:"+passWord+" dormBuildId:"+dormBuildId+ " dormCode:"+dormCode);
} }else { //保存 if(dormBuild != null) { //当前用户输入的宿舍楼名已存在 //表示跳转到宿舍楼添加页面 request.setAttribute("error", "当前宿舍楼名已存在,请重新输入!"); request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else { //当前用户输入的宿舍楼名不存在,则保存用户输入的信息到数据库 DormBuild build = new DormBuild(); build.setName(name); build.setRemark(remark); build.setDisabled(0); dormBuildService.save(build); //保存完成,跑到宿舍楼管理列表页,查询所有宿舍楼 List<DormBuild> builds = dormBuildService.find(); //查询所有的宿舍楼,在select中遍历 List<DormBuild> buildSelects = dormBuildService.find(); request.setAttribute("buildSelects", buildSelects); request.setAttribute("builds", builds); request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildList.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); } } }else if(action != null & action.equals("preUpdate")) { //根据宿舍楼id,查询宿舍楼 DormBuild build = dormBuildService.findById(Integer.parseInt(id)); //保存宿舍楼信息,到前端页面展示 request.setAttribute("build", build); //跳转到宿舍楼修改页面 request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("deleteOrAcive")) { //删除或激活 String disabled = request.getParameter("disabled"); DormBuild dormBuild = dormBuildService.findById(Integer.parseInt(id)); System.out.println("更新前dormBuild:"+dormBuild); dormBuild.setDisabled(Integer.parseInt(disabled)); System.out.println("更新后dormBuild:"+dormBuild);
//如当前用户 为宿舍管理员,他只能添加学生到其管理的宿舍楼 //跳转到学生的添加页面 request.setAttribute("mainRight", "/WEB-INF/jsp/studentAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("save")) { //保存学生 String stuCode = request.getParameter("stuCode"); String name = request.getParameter("name"); String sex = request.getParameter("sex"); String tel = request.getParameter("tel"); String passWord = request.getParameter("passWord"); String dormBuildId= request.getParameter("dormBuildId"); String dormCode = request.getParameter("dormCode"); System.out.println("stuCode:"+stuCode+" name:"+name+" sex:"+sex+ " tel:"+tel+" passWord:"+passWord+" dormBuildId:"+dormBuildId+ " dormCode:"+dormCode); //未存在,则保存 User student = userService.findByStuCode(stuCode); if(id != null && !id.equals("")) { //更新之前,查询数据库是否已经存在当前学号的学生,如已存在,则跳转到添加页面 if(student != null && !student.getId().equals(Integer.parseInt(id))) { System.out.println("根据学生学号查询student:"+student); //当前学号的学生已存在,请重新修改,跳转到该学生的修改页面 request.getRequestDispatcher("/student.action?action=preUpdate&id="+id).forward(request, response);; }else { //更新 User studentUpdate = userService.findById(Integer.parseInt(id)); studentUpdate.setStuCode(stuCode); studentUpdate.setSex(sex); studentUpdate.setTel(tel); studentUpdate.setName(name); studentUpdate.setPassWord(passWord); studentUpdate.setDormBuildId(Integer.parseInt(dormBuildId)); studentUpdate.setDormCode(dormCode); userService.updateStudent(studentUpdate); response.sendRedirect(getServletContext().getContextPath()+"/student.action?action=list"); } }else { //保存 if(student != null) { //在保存之前,查询数据库是否已经存在当前学号的学生,如已存在,则跳转到添加页面 response.sendRedirect(getServletContext().getContextPath()+"/student.action?action=preAdd"); }else { User user2 = new User(); user2.setStuCode(stuCode); user2.setSex(sex); user2.setTel(tel);
} } /** * Servlet implementation class RecordServlet */ @WebServlet("/record.action") public class RecordServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public RecordServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response) */ protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("====record.action========"); //在tomcat8.0中,如果是post请求,传递过来的中文可能会出现乱码问题 request.setCharacterEncoding("utf-8");
UserService userService = new UserServiceImpl(); RecordService recordService = new RecordServiceImpl(); DormBuildService buildService = new DormBuildServiceImpl(); if(action != null & action.equals("list")) { //查询缺勤记录并展示 Integer roleId = userCurr.getRoleId(); List<DormBuild> builds = new ArrayList<DormBuild>(); if(roleId.equals(0)) { //如当前用户是超级管理员,他能将学生添加到所有的宿舍楼,查询所有宿舍楼 builds = buildService.findAll(); }else if(roleId.equals(1)) { //如当前用户 为宿舍管理员,他只能添加学生到其管理的宿舍楼 builds = buildService.findByUserId(userCurr.getId()); } System.out.println("builds:"+builds); request.setAttribute("builds", builds); String startDate = request.getParameter("startDate"); String endDate = request.getParameter("endDate"); String dormBuildId = request.getParameter("dormBuildId"); String searchType = request.getParameter("searchType"); String keyword = request.getParameter("keyword"); String pageIndex = request.getParameter("pageIndex"); System.out.println("startDate:"+startDate+" endDate:"+endDate+" dormBuildId:"+dormBuildId+ " searchType:"+searchType+" keyword:"+keyword+" pageIndex:"+pageIndex); //默认查询第一页,需两个参数,当前页码pageIndex,每页展示的条数 PageModel pageModel = new PageModel(); if(pageIndex != null && !pageIndex.equals("")) { pageModel.setPageIndex(Integer.parseInt(pageIndex)); } //分页查询考勤记录 List<Record> records = recordService.findRecords(startDate,endDate,dormBuildId, searchType,keyword,userCurr,pageModel); System.out.println("records:"+records); //获取查询结果总数 Integer totalNum = recordService.getToTalNum(startDate,endDate,dormBuildId, searchType,keyword,userCurr); System.out.println("totalNum:"+totalNum); request.setAttribute("totalNum", totalNum); request.setAttribute("startDate", startDate); request.setAttribute("endDate", endDate); request.setAttribute("dormBuildId", dormBuildId); request.setAttribute("searchType", searchType); request.setAttribute("keyword", keyword); request.setAttribute("pageIndex", pageModel.getPageIndex()); request.setAttribute("records", records);
DormBuild dormBuild = dormBuildService.findByName(name); System.out.println("dormBuild:"+dormBuild); if(id != null && !id.equals("")) { //更新 if(dormBuild != null && !dormBuild.getId().equals(Integer.parseInt(id))) { //表示跳转到宿舍楼添加页面 request.setAttribute("error", "当前宿舍楼名已存在,请重新输入!"); //根据宿舍楼id,查询宿舍楼 DormBuild build = dormBuildService.findById(Integer.parseInt(id)); //保存宿舍楼信息,到前端页面展示 request.setAttribute("build", build); request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else { dormBuild = dormBuildService.findById(Integer.parseInt(id)); dormBuild.setName(name); dormBuild.setRemark(remark); //执行更新 dormBuildService.update(dormBuild); //更新完成,跑到宿舍楼管理列表页,查询所有宿舍楼 List<DormBuild> builds = dormBuildService.find(); //查询所有的宿舍楼,在select中遍历 List<DormBuild> buildSelects = dormBuildService.find(); request.setAttribute("buildSelects", buildSelects); request.setAttribute("builds", builds); request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildList.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); } }else { //保存 if(dormBuild != null) { //当前用户输入的宿舍楼名已存在 //表示跳转到宿舍楼添加页面 request.setAttribute("error", "当前宿舍楼名已存在,请重新输入!"); request.setAttribute("mainRight", "/WEB-INF/jsp/dormBuildAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response);
String oldPassWord = request.getParameter("oldPassWord"); //当前登录的用户原始密码 String passWord = userCur.getPassWord(); if(!passWord.equals(oldPassWord)) { response.setCharacterEncoding("utf-8"); PrintWriter writer = response.getWriter(); writer.print("您输入的原始密码错误,请重新输入!"); } }else if(action != null && action.equals("change")) { //修改密码 String newPassword = request.getParameter("newPassword"); userCur.setPassWord(newPassword); userService.updatePassWord(userCur); System.out.println("修改密码userCur:"+userCur); request.getRequestDispatcher("/index.jsp").forward(request, response); } } } /** * Servlet implementation class LoginOutServlet */ @WebServlet("/loginOut.action") public class LoginOutServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public LoginOutServlet() { super(); // TODO Auto-generated constructor stub }
request.setAttribute("searchType", searchType); request.setAttribute("keyword", keyword); request.setAttribute("users", users); request.setAttribute("mainRight", "dormManagerList.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("preAdd")) { //跳转到宿舍管理员添加页面 request.setAttribute("mainRight", "dormManagerAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("save")) { System.out.println("======保存宿舍管理员========="); String name = request.getParameter("name"); String passWord = request.getParameter("passWord"); String sex = request.getParameter("sex"); String tel = request.getParameter("tel"); //获取复选框中用户选中的宿舍楼 String[] dormBuildIds = request.getParameterValues("dormBuildId"); System.out.println("name:"+name+" pass:"+passWord+" sex:"+sex+" tel:"+tel+" dormBuildIds:"+Arrays.toString(dormBuildIds)); if(id == null || id.equals("")) { //保存 User user = new User(name, passWord, sex, tel, null, 1); user.setDisabled(0); //当前登录的用户 User user2 = (User) request.getSession().getAttribute("session_user"); user.setCreateUserId(user2.getId()); userService.saveManager(user,dormBuildIds); System.out.println("getServletContext().getContextPath():"+getServletContext().getContextPath()); }else { //修改 //通过宿舍管理员ID获取宿舍管理员 User user = userService.findById(Integer.parseInt(id)); user.setName(name); user.setPassWord(passWord); user.setSex(sex); user.setTel(tel); userService.updateManager(user); //修改还需修改宿舍管理员与宿舍楼的中间表 //① 删除当前宿舍管理员管理的所有宿舍楼 buildService.deleteByUserId(user.getId()); //② 新增当前宿舍管理员管理的所有宿舍楼 buildService.saveManagerAndBuild(user.getId(),dormBuildIds); }
User user = userService.findById(Integer.parseInt(id)); //根据宿舍管理员ID获取宿舍管理员管理的楼栋 List<DormBuild> userBuilds = buildService.findByUserId(user.getId()); user.setDormBuilds(userBuilds); System.out.println("user:"+user); List<Integer> userBuildids = new ArrayList<>(); //遍历当前宿舍管理员管理的所有宿舍,获取当时当前宿舍管理员管理的所有宿舍ID for (DormBuild userBuild : userBuilds) { userBuildids.add(userBuild.getId()); } request.setAttribute("userBuildids", userBuildids); request.setAttribute("user", user); request.setAttribute("mainRight", "dormManagerAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null & action.equals("deleteOrAcive")) { //删除或激活 String disabled =request.getParameter("disabled"); //通过宿舍管理员ID获取宿舍管理员 User user = userService.findById(Integer.parseInt(id)); user.setDisabled(Integer.parseInt(disabled)); userService.updateManager(user); //跳转到宿舍管理员列表页,查看所有的宿舍管理员 //重定向,请求链断开,不能在下一个servlet或jsp中获取保存在request中的参数 response.sendRedirect(getServletContext().getContextPath()+"/dormManager.action?action=list"); } } } /**
/** * Servlet implementation class RecordServlet */ @WebServlet("/record.action") public class RecordServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public RecordServlet() { super(); // TODO Auto-generated constructor stub }
/** * 该过滤器拦截所有以.action的请求 */ @WebFilter("*.action") public class LoginFilter implements Filter { /** * Default constructor. */ public LoginFilter() { // TODO Auto-generated constructor stub } /** * @see Filter#destroy() */ public void destroy() { // TODO Auto-generated method stub } /** * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain) */ public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { System.out.println("------------登录拦截器------------"); HttpServletRequest httpServletRequest = (HttpServletRequest) request; HttpSession session = httpServletRequest.getSession(); //①获取登录后保存在session中的用户信息 User user = (User) session.getAttribute("session_user"); System.out.println("session user:"+user);
public class LoginOutServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public LoginOutServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response) */ protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("========退出=========="); //清除保存在session中的用户信息 request.getSession().removeAttribute("session_user"); //清除保存在cookie中的用户信息 //根据名字查找保存当前项目的学号和密码 Cookie cookie = CookieUtil.getCookieByName(request,"cookie_name_pass"); if(cookie != null) { //设计cookie有效时间0 ,马上失效 cookie.setMaxAge(0); //设置cookie作用范围 cookie.setPath(request.getContextPath()); System.out.println("request.getContextPath():"+request.getContextPath()); //将cookie响应出去 response.addCookie(cookie); } response.sendRedirect("index.jsp"); } } public class CookieUtil { public static void addCookie(String cookieName, int time, HttpServletRequest request,HttpServletResponse response, String stuCode, String password) { //根据保存学号和密码的cookie的名字获取cookie Cookie cookie = getCookieByName(request,cookieName); //如有该项目保存学号和密码的cookie,则更改cookie的值,如未有则新建cookie if(cookie != null) { cookie.setValue(stuCode+"#"+password);
response.sendRedirect(getServletContext().getContextPath()+"/record.action?action=list"); }else { request.setAttribute("record", record); request.setAttribute("mainRight", "/WEB-INF/jsp/recordAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); } }else if(action != null && action.equals("deleteOrAcive")) { System.out.println("======删除或者激活========="); //删除或者激活 String disabled = request.getParameter("disabled"); Record record = recordService.findById(Integer.parseInt(id)); record.setDisabled(Integer.parseInt(disabled)); //查看用户是否有修改考勤记录的权限 User user = userService.findStuCodeAndManager(record.getUser().getStuCode(),userCurr); System.out.println("修改权限user :"+user); if(user == null) { //无删除激活权限 response.sendRedirect(getServletContext().getContextPath()+"/record.action?action=list"); }else { //有删除激活权限 recordService.update(record); //跳转到缺勤记录列表页 response.sendRedirect(getServletContext().getContextPath()+"/record.action?action=list"); } } } } /** * Servlet implementation class DormBuildServlet */
//将cookie响应出去 response.addCookie(cookie); } response.sendRedirect("index.jsp"); } } public class CookieUtil { public static void addCookie(String cookieName, int time, HttpServletRequest request,HttpServletResponse response, String stuCode, String password) { //根据保存学号和密码的cookie的名字获取cookie Cookie cookie = getCookieByName(request,cookieName); //如有该项目保存学号和密码的cookie,则更改cookie的值,如未有则新建cookie if(cookie != null) { cookie.setValue(stuCode+"#"+password); }else { cookie = new Cookie(cookieName, stuCode+"#"+password); } //设置cookie的有效时间 cookie.setMaxAge(time); //设置cookie的作用范围 只在当前项目范围中有效 cookie.setPath(request.getContextPath()); System.out.println("request.getContextPath():"+request.getContextPath()); response.addCookie(cookie); } public static Cookie getCookieByName(HttpServletRequest request, String cookieName) { //从request中获取当前项目的作用cookie Cookie[] cookies = request.getCookies(); //遍历所有cookie if(cookies != null && cookies.length >0) { for (Cookie cookie : cookies) { //根据cookie的名字获取cookie,并返回 if(cookie.getName().equals(cookieName)) { return cookie;
/** * Servlet implementation class RecordServlet */ @WebServlet("/record.action") public class RecordServlet extends HttpServlet { private static final long serialVersionUID = 1L; /** * @see HttpServlet#HttpServlet() */ public RecordServlet() { super(); // TODO Auto-generated constructor stub } /** * @see HttpServlet#service(HttpServletRequest request, HttpServletResponse response) */ protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { System.out.println("====record.action========"); //在tomcat8.0中,如果是post请求,传递过来的中文可能会出现乱码问题 request.setCharacterEncoding("utf-8"); String action = request.getParameter("action"); String id = request.getParameter("id");
request.setAttribute("pageIndex", pageModel.getPageIndex()); request.setAttribute("records", records); request.setAttribute("mainRight", "/WEB-INF/jsp/recordList.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null && action.equals("preAdd")) { //跳转到添加页面 request.setAttribute("mainRight", "/WEB-INF/jsp/recordAddOrUpdate.jsp"); request.getRequestDispatcher("/WEB-INF/jsp/main.jsp").forward(request, response); }else if(action != null && action.equals("save")) { //保存 String stuCode = request.getParameter("stuCode"); String date = request.getParameter("date"); String remark = request.getParameter("remark"); System.out.println("remark:"+remark+" date:"+date+" stuCode:"+stuCode); //做保存前,判断用户是否有添加该学号学生缺勤记录的权限 User user = userService.findStuCodeAndManager(stuCode,userCurr); System.out.println("查询添加缺勤权限user:"+user); if(id != null && !id.equals("")) { //更新 if(user != null) { //有修改权限 Record record = recordService.findById(Integer.parseInt(id)); try { record.setDate(new SimpleDateFormat("yyyy-MM-dd").parse(date)); record.setRemark(remark); record.setStudentId(user.getId()); recordService.update(record); } catch (ParseException e) { e.printStackTrace(); } response.sendRedirect(getServletContext().getContextPath()+"/record.action?action=list"); }else { //无修改权限 response.sendRedirect(getServletContext().getContextPath()+"/record.action?action=list"); }
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