本篇内容主要讲解“Java怎么实现图书管理系统”，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习“Java怎么实现图书管理系统”吧!
一、项目简述
功能包括(管理员和学生角色)： 管理员和学生登录，图书管理，图书添加删除修改，图书 借阅，图书归还，图书查看，学生管理，借还管理，读者 管理，密码管理，信息修改等等功能。
二、项目运行
环境配置： Jdk1.8 + Tomcat8.5 + mysql + Eclispe (IntelliJ IDEA,Eclispe,MyEclispe,Sts 都支持)
项目技术： JSP +Spring + SpringMVC + MyBatis + html+ css + JavaScript + JQuery + Ajax + layui+ maven等等。
读者信息控制器：
@Controllerpublic class ReaderController { @Autowired private ReaderInfoService readerInfoService; @Autowired private LoginService loginService; @Autowired private ReaderCardService readerCardService; private ReaderInfo getReaderInfo(long readerId, String name, String sex, String birth, String address, String phone) { ReaderInfo readerInfo = new ReaderInfo(); Date date = new Date(); try { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); date = df.parse(birth); } catch (ParseException e) { e.printStackTrace(); } readerInfo.setAddress(address); readerInfo.setName(name); readerInfo.setReaderId(readerId); readerInfo.setPhone(phone); readerInfo.setSex(sex); readerInfo.setBirth(date); return readerInfo; } @RequestMapping("allreaders.html") public ModelAndView allBooks() { ArrayList<ReaderInfo> readers = readerInfoService.readerInfos(); ModelAndView modelAndView = new ModelAndView("admin_readers"); modelAndView.addObject("readers", readers); return modelAndView; } @RequestMapping("reader_delete.html") public String readerDelete(HttpServletRequest request, RedirectAttributes redirectAttributes) { long readerId = Long.parseLong(request.getParameter("readerId")); if (readerInfoService.deleteReaderInfo(readerId) && readerCardService.deleteReaderCard(readerId)) { redirectAttributes.addFlashAttribute("succ", "删除成功！"); } else { redirectAttributes.addFlashAttribute("error", "删除失败！"); } return "redirect:/allreaders.html"; } @RequestMapping("/reader_info.html") public ModelAndView toReaderInfo(HttpServletRequest request) { ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard"); ReaderInfo readerInfo = readerInfoService.getReaderInfo(readerCard.getReaderId()); ModelAndView modelAndView = new ModelAndView("reader_info"); modelAndView.addObject("readerinfo", readerInfo); return modelAndView; } @RequestMapping("reader_edit.html") public ModelAndView readerInfoEdit(HttpServletRequest request) { long readerId = Long.parseLong(request.getParameter("readerId")); ReaderInfo readerInfo = readerInfoService.getReaderInfo(readerId); ModelAndView modelAndView = new ModelAndView("admin_reader_edit"); modelAndView.addObject("readerInfo", readerInfo); return modelAndView; } @RequestMapping("reader_edit_do.html") public String readerInfoEditDo(HttpServletRequest request, String name, String sex, String birth, String address, String phone, RedirectAttributes redirectAttributes) { long readerId = Long.parseLong(request.getParameter("readerId")); ReaderInfo readerInfo = getReaderInfo(readerId, name, sex, birth, address, phone); if (readerInfoService.editReaderInfo(readerInfo) && readerInfoService.editReaderCard(readerInfo)) { redirectAttributes.addFlashAttribute("succ", "读者信息修改成功！"); } else { redirectAttributes.addFlashAttribute("error", "读者信息修改失败！"); } return "redirect:/allreaders.html"; } @RequestMapping("reader_add.html") public ModelAndView readerInfoAdd() { return new ModelAndView("admin_reader_add"); } @RequestMapping("reader_add_do.html") public String readerInfoAddDo(String name, String sex, String birth, String address, String phone, String password, RedirectAttributes redirectAttributes) { ReaderInfo readerInfo = getReaderInfo(0, name, sex, birth, address, phone); long readerId = readerInfoService.addReaderInfo(readerInfo); readerInfo.setReaderId(readerId); if (readerId > 0 && readerCardService.addReaderCard(readerInfo, password)) { redirectAttributes.addFlashAttribute("succ", "添加读者信息成功！"); } else { redirectAttributes.addFlashAttribute("succ", "添加读者信息失败！"); } return "redirect:/allreaders.html"; } @RequestMapping("reader_info_edit.html") public ModelAndView readerInfoEditReader(HttpServletRequest request) { ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard"); ReaderInfo readerInfo = readerInfoService.getReaderInfo(readerCard.getReaderId()); ModelAndView modelAndView = new ModelAndView("reader_info_edit"); modelAndView.addObject("readerinfo", readerInfo); return modelAndView; } @RequestMapping("reader_edit_do_r.html") public String readerInfoEditDoReader(HttpServletRequest request, String name, String sex, String birth, String address, String phone, RedirectAttributes redirectAttributes) { ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard"); ReaderInfo readerInfo = getReaderInfo(readerCard.getReaderId(), name, sex, birth, address, phone); if (readerInfoService.editReaderInfo(readerInfo) && readerInfoService.editReaderCard(readerInfo)) { ReaderCard readerCardNew = loginService.findReaderCardByReaderId(readerCard.getReaderId()); request.getSession().setAttribute("readercard", readerCardNew); redirectAttributes.addFlashAttribute("succ", "信息修改成功！"); } else { redirectAttributes.addFlashAttribute("error", "信息修改失败！"); } return "redirect:/reader_info.html"; }}登陆控制层：
@Controllerpublic class LoginController { private LoginService loginService; @Autowired public void setLoginService(LoginService loginService) { this.loginService = loginService; } @RequestMapping(value = {"/", "/login.html"}) public String toLogin(HttpServletRequest request) { request.getSession().invalidate(); return "index"; } @RequestMapping("/logout.html") public String logout(HttpServletRequest request) { request.getSession().invalidate(); return "redirect:/login.html"; } //负责处理loginCheck.html请求 //请求参数会根据参数名称默认契约自动绑定到相应方法的入参中 @RequestMapping(value = "/api/loginCheck", method = RequestMethod.POST) public @ResponseBody Object loginCheck(HttpServletRequest request) { long id = Long.parseLong(request.getParameter("id")); String passwd = request.getParameter("passwd"); boolean isReader = loginService.hasMatchReader(id, passwd); boolean isAdmin = loginService.hasMatchAdmin(id, passwd); HashMap<String, String> res = new HashMap<>(); if (isAdmin) { Admin admin = new Admin(); admin.setAdminId(id); admin.setPassword(passwd); String username = loginService.getAdminUsername(id); admin.setUsername(username); request.getSession().setAttribute("admin", admin); res.put("stateCode", "1"); res.put("msg", "管理员登陆成功！"); } else if (isReader) { ReaderCard readerCard = loginService.findReaderCardByReaderId(id); request.getSession().setAttribute("readercard", readerCard); res.put("stateCode", "2"); res.put("msg", "读者登陆成功！"); } else { res.put("stateCode", "0"); res.put("msg", "账号或密码错误！"); } return res; } @RequestMapping("/admin_main.html") public ModelAndView toAdminMain(HttpServletResponse response) { return new ModelAndView("admin_main"); } @RequestMapping("/reader_main.html") public ModelAndView toReaderMain(HttpServletResponse response) { return new ModelAndView("reader_main"); } @RequestMapping("/admin_repasswd.html") public ModelAndView reAdminPasswd() { return new ModelAndView("admin_repasswd"); } @RequestMapping("/admin_repasswd_do") public String reAdminPasswdDo(HttpServletRequest request, String oldPasswd, String newPasswd, String reNewPasswd, RedirectAttributes redirectAttributes) { Admin admin = (Admin) request.getSession().getAttribute("admin"); long id = admin.getAdminId(); String password = loginService.getAdminPassword(id); if (password.equals(oldPasswd)) { if (loginService.adminRePassword(id, newPasswd)) { redirectAttributes.addFlashAttribute("succ", "密码修改成功！"); return "redirect:/admin_repasswd.html"; } else { redirectAttributes.addFlashAttribute("error", "密码修改失败！"); return "redirect:/admin_repasswd.html"; } } else { redirectAttributes.addFlashAttribute("error", "旧密码错误！"); return "redirect:/admin_repasswd.html"; } } @RequestMapping("/reader_repasswd.html") public ModelAndView reReaderPasswd() { return new ModelAndView("reader_repasswd"); } @RequestMapping("/reader_repasswd_do") public String reReaderPasswdDo(HttpServletRequest request, String oldPasswd, String newPasswd, String reNewPasswd, RedirectAttributes redirectAttributes) { ReaderCard reader = (ReaderCard) request.getSession().getAttribute("readercard"); long id = reader.getReaderId(); String password = loginService.getReaderPassword(id); if (password.equals(oldPasswd)) { if (loginService.readerRePassword(id, newPasswd)) { redirectAttributes.addFlashAttribute("succ", "密码修改成功！"); return "redirect:/reader_repasswd.html"; } else { redirectAttributes.addFlashAttribute("error", "密码修改失败！"); return "redirect:/reader_repasswd.html"; } } else { redirectAttributes.addFlashAttribute("error", "旧密码错误！"); return "redirect:/reader_repasswd.html"; } } //配置404页面 @RequestMapping("*") public String notFind() { return "404"; } }图书控制层:
@Controllerpublic class BookController { @Autowired private BookService bookService; @Autowired private LendService lendService; private Date getDate(String pubstr) { try { SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd"); return df.parse(pubstr); } catch (ParseException e) { e.printStackTrace(); return new Date(); } } @RequestMapping("/queryBook.html") public ModelAndView queryBookDo(String searchWord) { if (bookService.matchBook(searchWord)) { ArrayList<Book> books = bookService.queryBook(searchWord); ModelAndView modelAndView = new ModelAndView("admin_books"); modelAndView.addObject("books", books); return modelAndView; } else { return new ModelAndView("admin_books", "error", "没有匹配的图书"); } } @RequestMapping("/reader_querybook_do.html") public ModelAndView readerQueryBookDo(String searchWord) { if (bookService.matchBook(searchWord)) { ArrayList<Book> books = bookService.queryBook(searchWord); ModelAndView modelAndView = new ModelAndView("reader_books"); modelAndView.addObject("books", books); return modelAndView; } else { return new ModelAndView("reader_books", "error", "没有匹配的图书"); } } @RequestMapping("/admin_books.html") public ModelAndView adminBooks() { ArrayList<Book> books = bookService.getAllBooks(); ModelAndView modelAndView = new ModelAndView("admin_books"); modelAndView.addObject("books", books); return modelAndView; } @RequestMapping("/book_add.html") public ModelAndView addBook() { return new ModelAndView("admin_book_add"); } @RequestMapping("/book_add_do.html") public String addBookDo(@RequestParam(value = "pubstr") String pubstr, Book book, RedirectAttributes redirectAttributes) { book.setPubdate(getDate(pubstr)); if (bookService.addBook(book)) { redirectAttributes.addFlashAttribute("succ", "图书添加成功！"); } else { redirectAttributes.addFlashAttribute("succ", "图书添加失败！"); } return "redirect:/admin_books.html"; } @RequestMapping("/updatebook.html") public ModelAndView bookEdit(HttpServletRequest request) { long bookId = Long.parseLong(request.getParameter("bookId")); Book book = bookService.getBook(bookId); ModelAndView modelAndView = new ModelAndView("admin_book_edit"); modelAndView.addObject("detail", book); return modelAndView; } @RequestMapping("/book_edit_do.html") public String bookEditDo(@RequestParam(value = "pubstr") String pubstr, Book book, RedirectAttributes redirectAttributes) { book.setPubdate(getDate(pubstr)); if (bookService.editBook(book)) { redirectAttributes.addFlashAttribute("succ", "图书修改成功！"); } else { redirectAttributes.addFlashAttribute("error", "图书修改失败！"); } return "redirect:/admin_books.html"; } @RequestMapping("/admin_book_detail.html") public ModelAndView adminBookDetail(HttpServletRequest request) { long bookId = Long.parseLong(request.getParameter("bookId")); Book book = bookService.getBook(bookId); ModelAndView modelAndView = new ModelAndView("admin_book_detail"); modelAndView.addObject("detail", book); return modelAndView; } @RequestMapping("/reader_book_detail.html") public ModelAndView readerBookDetail(HttpServletRequest request) { long bookId = Long.parseLong(request.getParameter("bookId")); Book book = bookService.getBook(bookId); ModelAndView modelAndView = new ModelAndView("reader_book_detail"); modelAndView.addObject("detail", book); return modelAndView; } @RequestMapping("/admin_header.html") public ModelAndView admin_header() { return new ModelAndView("admin_header"); } @RequestMapping("/reader_header.html") public ModelAndView reader_header() { return new ModelAndView("reader_header"); } @RequestMapping("/reader_books.html") public ModelAndView readerBooks(HttpServletRequest request) { ArrayList<Book> books = bookService.getAllBooks(); ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard"); ArrayList<Lend> myAllLendList = lendService.myLendList(readerCard.getReaderId()); ArrayList<Long> myLendList = new ArrayList<>(); for (Lend lend : myAllLendList) { // 是否已归还 if (lend.getBackDate() == null) { myLendList.add(lend.getBookId()); } } ModelAndView modelAndView = new ModelAndView("reader_books"); modelAndView.addObject("books", books); modelAndView.addObject("myLendList", myLendList); return modelAndView; }}借书控制层：
@Controllerpublic class LendController { @Autowired private LendService lendService; @Autowired private BookService bookService; @RequestMapping("/deletebook.html") public String deleteBook(HttpServletRequest request, RedirectAttributes redirectAttributes) { long bookId = Long.parseLong(request.getParameter("bookId")); if (bookService.deleteBook(bookId)) { redirectAttributes.addFlashAttribute("succ", "图书删除成功！"); } else { redirectAttributes.addFlashAttribute("error", "图书删除失败！"); } return "redirect:/admin_books.html"; } @RequestMapping("/lendlist.html") public ModelAndView lendList(HttpServletRequest request) { ModelAndView modelAndView = new ModelAndView("admin_lend_list"); modelAndView.addObject("list", lendService.lendList()); return modelAndView; } @RequestMapping("/mylend.html") public ModelAndView myLend(HttpServletRequest request) { ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard"); ModelAndView modelAndView = new ModelAndView("reader_lend_list"); modelAndView.addObject("list", lendService.myLendList(readerCard.getReaderId())); return modelAndView; } @RequestMapping("/deletelend.html") public String deleteLend(HttpServletRequest request, RedirectAttributes redirectAttributes) { long serNum = Long.parseLong(request.getParameter("serNum")); if (lendService.deleteLend(serNum) > 0) { redirectAttributes.addFlashAttribute("succ", "记录删除成功！"); } else { redirectAttributes.addFlashAttribute("error", "记录删除失败！"); } return "redirect:/lendlist.html"; } @RequestMapping("/lendbook.html") public String bookLend(HttpServletRequest request, RedirectAttributes redirectAttributes) { long bookId = Long.parseLong(request.getParameter("bookId")); long readerId = ((ReaderCard) request.getSession().getAttribute("readercard")).getReaderId(); if (lendService.lendBook(bookId, readerId)) { redirectAttributes.addFlashAttribute("succ", "图书借阅成功！"); } else { redirectAttributes.addFlashAttribute("succ", "图书借阅成功！"); } return "redirect:/reader_books.html"; } @RequestMapping("/returnbook.html") public String bookReturn(HttpServletRequest request, RedirectAttributes redirectAttributes) { long bookId = Long.parseLong(request.getParameter("bookId")); long readerId = ((ReaderCard) request.getSession().getAttribute("readercard")).getReaderId(); if (lendService.returnBook(bookId, readerId)) { redirectAttributes.addFlashAttribute("succ", "图书归还成功！"); } else { redirectAttributes.addFlashAttribute("error", "图书归还失败！"); } return "redirect:/reader_books.html"; }}到此，相信大家对“Java怎么实现图书管理系统”有了更深的了解，不妨来实际操作一番吧！这里是编程网网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！
