Java项目:网上电子书城项目(java+SSM+JSP+maven+Mysql)

项目描述：

spring mvc +jsp实现的简单书城项目，可以在支付宝沙箱内实现支付

运行环境：

jdk8+tomcat9+mysql+IntelliJ IDEA

项目技术：

spring+spring mvc+mybatis+jsp+maven

 

 

 

 

 

 后台管理员图书管理代码：

@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";
    }

    /**
     * 添加书籍
     *
     */
    @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";
    }

    /**
     * 书籍列表
     *
     */
    @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 books = bookInfoService.findBookListByCondition(keywords, 0, page, 10, store.getStoreId());
            model.addAttribute("bookPageInfo", books);
            model.addAttribute("keywords", keywords);
        } else {
            model.addAttribute("exception", "您请求的资源不存在");
            return "exception";
        }

        return "admin/book/list";
    }

    /**
     * 更新页面回显
     *
     * @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);

        //更新图片后，删除原来的图片
        String realPath = request.getServletContext().getRealPath("/");
        File uploadPic = new File(realPath + originBook.getImageUrl());
        uploadPic.delete();
        //重定向到书籍列表
        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);
                //原始文件名称
                String pictureFileName = pictureFile.getOriginalFilename();
                //新文件名称
                String newFileName = IDUtils.genShortUUID() + pictureFileName.substring(pictureFileName.lastIndexOf("."));

                //上传图片
                File uploadPic = new File(realPath + File.separator + newFileName);

                //向磁盘写文件
                pictureFile.transferTo(uploadPic);
                bookInfo.setImageUrl(urlPrefix + File.separator + newFileName);
            }
        }
    }

}