Java 实战图书管理系统的实现流程

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：

@Controller
public 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：

@Controller
public 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:

@Controller
public 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：

@Controller
public 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";
    }
}

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