SpringBoot实现多数据源的切换实践
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2022-08-19
Java实战之图书管理系统的实现
Java实战之图书管理系统的实现
目录一、项目运行二、效果图三、核心代码登录控制层图书管理控制层读者管理控制层
一、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：
HTML +Springboot+ SpringMVC + MyBatis + ThymeLeaf + javascript + jquery + Ajax + maven等等。
二、效果图
三、核心代码
登录控制层
@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
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";
}
}
图书管理控制层
@Controller
public class BookController {
@Autowired
private BookService bookhttp://Service;
@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
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
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
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");
}
@RanTnBmyequestMapping("/reader_header.html")
public ModelAndView reader_header() {
return new ModelAndView("reader_header");
}
@RequestMapping("/reader_books.html")
public ModelAndView readerBooks(HttpServletRequest request) {
ArrayList
ReaderCard readerCard = (ReaderCard) request.getSession().getAttribute("readercard");
ArrayList
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;
}
}
读者管理控制层
@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
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(readerInfanTnBmyo, 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";
}
}
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