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這篇文章將為大家詳細講解有關Java中如何實現網上電子書城，小編覺得挺實用的，因此分享給大家做個參考，希望大家閱讀完這篇文章后可以有所收獲。
項目描述： spring mvc +jsp實現的簡單書城項目，可以在支付寶沙箱內實現支付
運行環境： jdk8+tomcat9+mysql+IntelliJ IDEA
項目技術： spring+spring mvc+mybatis+jsp+maven
后臺管理員圖書管理代碼：
@Controller
@RequestMapping("/admin/book")
@RequiresPermissions("book-manage")
public class AdminBookController {
@Autowired
private IBookInfoService bookInfoService;
@Autowired
private BookDescMapper bookDescMapper;
@Autowired
private IStoreService storeService;
@Value("${image.url.prefix}")
private String urlPrefix;
@RequestMapping("toAddition")
@RequiresPermissions("book-add")
public String toAddition() {
return "admin/book/add";
}
/**
* 添加書籍
*
*/
@RequestMapping("/addition")
@RequiresPermissions("book-add")
public String addBook(BookInfo bookInfo, String bookDesc, MultipartFile pictureFile, HttpServletRequest request) throws Exception {
uploadPicture(bookInfo, pictureFile, request);
bookInfoService.saveBook(bookInfo, bookDesc);
return "redirect:/admin/book/list";
}
/**
* 書籍列表
*
*/
@RequestMapping(value = "/list")
@RequiresPermissions("book-query")
public String bookList(@RequestParam(defaultValue = "", required = false) String keywords,
@RequestParam(value = "page", defaultValue = "1", required = false) int page,
HttpSession session,
Model model) {
keywords = keywords.trim();
Store store = (Store) session.getAttribute("loginStore");
if (store != null) {
PageInfo<BookInfo> books = bookInfoService.findBookListByCondition(keywords, 0, page, 10, store.getStoreId());
model.addAttribute("bookPageInfo", books);
model.addAttribute("keywords", keywords);
} else {
model.addAttribute("exception", "您請求的資源不存在");
return "exception";
}
return "admin/book/list";
}
/**
* 更新頁面回顯
*
* @param bookId
* @param model
* @return
* @throws Exception
*/
@RequestMapping("/echo")
@RequiresPermissions("book-edit")
public String echo(int bookId, Model model) throws BSException {
BookInfo bookInfo = bookInfoService.adminFindById(bookId);
BookDesc bookDesc = bookDescMapper.selectByPrimaryKey(bookInfo.getBookId());
model.addAttribute("bookInfo", bookInfo);
model.addAttribute("bookDesc", bookDesc);
return "admin/book/edit";
}
@RequestMapping("/update")
@RequiresPermissions("book-edit")
public String updateBook(BookInfo bookInfo, String bookDesc, String keywords, MultipartFile pictureFile, HttpServletRequest request, RedirectAttributes ra) throws Exception {
uploadPicture(bookInfo, pictureFile, request);
BookInfo originBook = bookInfoService.findById(bookInfo.getBookId());
bookInfoService.updateBook(bookInfo, bookDesc);
//更新圖片后，刪除原來的圖片
String realPath = request.getServletContext().getRealPath("/");
File uploadPic = new File(realPath + originBook.getImageUrl());
uploadPic.delete();
//重定向到書籍列表
ra.addAttribute("keywords", keywords);
return "redirect:/admin/book/list";
}
@RequestMapping("/deletion/{bookId}")
@RequiresPermissions("book-delete")
public String deletion(@PathVariable("bookId") int bookId, String keywords, RedirectAttributes ra, HttpServletRequest request) throws BSException {
BookInfo bookInfo = bookInfoService.findById(bookId);
String realPath = request.getServletContext().getRealPath("/");
File uploadPic = new File(realPath + bookInfo.getImageUrl());
uploadPic.delete();
bookInfoService.deleteBook(bookId);
ra.addAttribute("keywords", keywords);
return "redirect:/admin/book/list";
}
@RequestMapping("/shelf")
@RequiresPermissions("book-shelf")
public String bookOffShelf(int bookId, int isShelf, String keywords, RedirectAttributes ra) {
bookInfoService.changeShelfStatus(bookId, isShelf);
ra.addAttribute("keywords", keywords);
return "redirect:/admin/book/list";
}
private void uploadPicture(BookInfo bookInfo, MultipartFile pictureFile, HttpServletRequest request) throws IOException {
if (pictureFile != null) {
if (!StringUtils.isEmpty(pictureFile.getOriginalFilename())) {
String realPath = request.getServletContext().getRealPath("/" + urlPrefix);
//原始文件名稱
String pictureFileName = pictureFile.getOriginalFilename();
//新文件名稱
String newFileName = IDUtils.genShortUUID() + pictureFileName.substring(pictureFileName.lastIndexOf("."));
//上傳圖片
File uploadPic = new File(realPath + File.separator + newFileName);
//向磁盤寫文件
pictureFile.transferTo(uploadPic);
bookInfo.setImageUrl(urlPrefix + File.separator + newFileName);
}
}
}
}書信息控制層：
@Controller
@RequestMapping("/book")
public class BookInfoController {
@Autowired
private IBookInfoService bookInfoService;
@Autowired
private BookDescMapper bookDescMapper;
/**
* 查詢某一本書籍詳情
*
* @param bookId
* @param model
* @return
*/
@RequestMapping("/info/{bookId}")
public String bookInfo(@PathVariable("bookId") Integer bookId, Model model) throws BSException {
//查詢書籍
BookInfo bookInfo = bookInfoService.findById(bookId);
//查詢書籍推薦列表
List<BookInfo> recommendBookList = bookInfoService.findBookListByCateId(bookInfo.getBookCategoryId(), 1, 5);
//查詢書籍詳情
BookDesc bookDesc = bookDescMapper.selectByPrimaryKey(bookId);
//增加訪問量
bookInfoService.addLookMount(bookInfo);
Collections.shuffle(recommendBookList);
model.addAttribute("bookInfo", bookInfo);
model.addAttribute("bookDesc", bookDesc);
model.addAttribute("recommendBookList", recommendBookList);
return "book_info";
}
/**
* 通過關鍵字和書籍分類搜索書籍列表
*
* @param keywords
* @return
*/
@RequestMapping("/list")
public String bookSearchList(@RequestParam(defaultValue = "", required = false) String keywords,
@RequestParam(defaultValue = "0", required = false) int cateId,//分類Id，默認為0，即不按照分類Id查
@RequestParam(defaultValue = "1", required = false) int page,
@RequestParam(defaultValue = "6", required = false) int pageSize,
Model model) {
keywords = keywords.trim();
PageInfo<BookInfo> bookPageInfo = bookInfoService.findBookListByCondition(keywords, cateId, page, pageSize,0);//storeId為0，不按照商店Id查詢
model.addAttribute("bookPageInfo", bookPageInfo);
model.addAttribute("keywords", keywords);
model.addAttribute("cateId", cateId);
return "book_list";
}
}用戶管理控制層：
@Controller
@RequestMapping("/user")
public class UserController {
@Autowired
private IUserService userService;
@Autowired
private IMailService mailService;
@Autowired
private IStoreService storeService;
@Value("${mail.fromMail.addr}")
private String from;
@Value("${my.ip}")
private String ip;
private final String USERNAME_PASSWORD_NOT_MATCH = "用戶名或密碼錯誤";
private final String USERNAME_CANNOT_NULL = "用戶名不能為空";
@RequestMapping("/login")
public String login(@RequestParam(value = "username", required = false) String username,
@RequestParam(value = "password", required = false) String password,
HttpServletRequest request, Model model) {
if (StringUtils.isEmpty(username) || StringUtils.isEmpty(password)) {
return "login";
}
//未認證的用戶
Subject userSubject = SecurityUtils.getSubject();
if (!userSubject.isAuthenticated()) {
UsernamePasswordToken token = new UsernamePasswordToken(username, password);
token.setRememberMe(false);//禁止記住我功能
try {
//登錄成功
userSubject.login(token);
User loginUser = (User) userSubject.getPrincipal();
request.getSession().setAttribute("loginUser", loginUser);
Store store = storeService.findStoreByUserId(loginUser.getUserId());
request.getSession().setAttribute("loginStore", store);
SavedRequest savedRequest = WebUtils.getSavedRequest(request);
String url = "/";
if (savedRequest != null) {
url = savedRequest.getRequestUrl();
if(url.contains(request.getContextPath())){
url = url.replace(request.getContextPath(),"");
}
}
if(StringUtils.isEmpty(url) || url.equals("/favicon.ico")){
url = "/";
}
return "redirect:" + url;
} catch (UnknownAccountException | IncorrectCredentialsException uae) {
model.addAttribute("loginMsg", USERNAME_PASSWORD_NOT_MATCH);
return "login";
} catch (LockedAccountException lae) {
model.addAttribute("loginMsg", "賬戶已被凍結！");
return "login";
} catch (AuthenticationException ae) {
model.addAttribute("loginMsg", "登錄失敗！");
return "login";
}
} else {
//用戶已經登錄
return "redirect:/index";
}
}
@RequestMapping("/info")
public String personInfo(){
return "user_info";
}
/* @RequestMapping("/login1")
public String login1(@RequestParam(value = "username", required = false) String username,
@RequestParam(value = "password", required = false) String password,
Model model, HttpServletRequest request) {
if (StringUtils.isEmpty(username)) {
model.addAttribute("loginMsg", USERNAME_CANNOT_NULL);
return "login";
}
if (StringUtils.isEmpty(password)) {
model.addAttribute("loginMsg", "密碼不能為空");
return "login";
}
BSResult<User> bsResult = userService.login(username, password);
//登錄校驗失敗
if (bsResult.getData() == null) {
model.addAttribute("loginMsg", bsResult.getMessage());
return "login";
}
//登錄校驗成功，重定向到首頁
User user = bsResult.getData();
//置密碼為空
user.setPassword("");
request.getSession().setAttribute("user", user);
return "redirect:/";
}
*/
//shiro框架幫我們注銷
@RequestMapping("/logout")
@CacheEvict(cacheNames="authorizationCache",allEntries = true)
public String logout() {
SecurityUtils.getSubject().logout();
return "redirect:/page/login";
}
/**
* 注冊 檢驗用戶名是否存在
*
* @param username
* @return
*/
@RequestMapping("/checkUserExist")
@ResponseBody
public BSResult checkUserExist(String username) {
if (StringUtils.isEmpty(username)) {
return BSResultUtil.build(200, USERNAME_CANNOT_NULL, false);
}
return userService.checkUserExistByUsername(username);
}
/**
* 注冊，發激活郵箱
*
* @param user
* @return
*/
@RequestMapping("/register")
public String register(User user, Model model) {
BSResult isExist = checkUserExist(user.getUsername());
//盡管前臺頁面已經用ajax判斷用戶名是否存在，
// 為了防止用戶不是點擊前臺按鈕提交表單造成的錯誤，后臺也需要判斷
if ((Boolean) isExist.getData()) {
user.setActive("1");
BSResult bsResult = userService.saveUser(user);
//獲得未激活的用戶
User userNotActive = (User) bsResult.getData();
/* try {
mailService.sendHtmlMail(user.getEmail(), "<dd書城>---用戶激活---",
"<html><body><a href='http://"+ip+"/user/active?activeCode=" + userNotActive.getCode() + "'>親愛的" + user.getUsername() +
"，請您點擊此鏈接前往激活</a></body></html>");
} catch (Exception e) {
e.printStackTrace();
model.addAttribute("registerError", "發送郵件異常！請檢查您輸入的郵箱地址是否正確。");
return "fail";
}*/
model.addAttribute("username", user.getUsername());
return "register_success";
} else {
//用戶名已經存在，不能注冊
model.addAttribute("registerError", isExist.getMessage());
return "register";
}
}
@RequestMapping("/active")
public String activeUser(String activeCode, Model model) {
BSResult bsResult = userService.activeUser(activeCode);
if (!StringUtils.isEmpty(bsResult.getData())) {
model.addAttribute("username", bsResult.getData());
return "active_success";
} else {
model.addAttribute("failMessage", bsResult.getMessage());
return "fail";
}
}
@RequestMapping("/update")
@ResponseBody
public BSResult updateUser(User user, HttpSession session){
User loginUser = (User) session.getAttribute("loginUser");
loginUser.setNickname(user.getNickname());
loginUser.setLocation(user.getLocation());
loginUser.setDetailAddress(user.getDetailAddress());
loginUser.setGender(user.getGender());
loginUser.setUpdated(new Date());
loginUser.setPhone(user.getPhone());
loginUser.setIdentity(user.getIdentity());
loginUser.setPhone(user.getPhone());
BSResult bsResult = userService.updateUser(loginUser);
session.setAttribute("loginUser", loginUser);
return bsResult;
}
@RequestMapping("/password/{userId}")
@ResponseBody
public BSResult changePassword(@PathVariable("userId") int userId,String oldPassword,String newPassword){
if(StringUtils.isEmpty(oldPassword) || StringUtils.isEmpty(newPassword)){
return BSResultUtil.build(400, "密碼不能為空");
}
return userService.compareAndChange(userId,oldPassword,newPassword);
}
}關于“Java中如何實現網上電子書城”這篇文章就分享到這里了，希望以上內容可以對大家有一定的幫助，使各位可以學到更多知識，如果覺得文章不錯，請把它分享出去讓更多的人看到。
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