基于javaweb+jsp的网上电子书城项目(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

适用

课程设计，大作业，毕业设计，项目练习，学习演示等

    @Autowired
    private BookDescMapper bookDescMapper;
    
    @RequestMapping("/info/{bookId}")
    public String bookInfo(@PathVariable("bookId") Integer bookId, Model model) throws BSException {
        //查询书籍
        BookInfo bookInfo = bookInfoService.findById(bookId);
        //查询书籍推荐列表
        List recommendBookList = bookInfoService.findBookListByCateId(bookInfo.getBookCategoryId(), 1, 5);

        BSResult bsResult = orderService.findOrderById(orderId);
        if (bsResult.getCode() == 200) {
            model.addAttribute("order", bsResult.getData());
            return "payment";
        }
        return "exception";
    }
    @RequestMapping("/deletion/{orderId}")
    public String deletion(@PathVariable("orderId") String orderId) {
        BSResult bsResult = orderService.deleteOrder(orderId);
        if (bsResult.getCode() == 200) {
            return "redirect:/order/list";
        }
        return "exception";
    }
    
    @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";
    }

     * @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 BSResultUtil.build(400, "密码不能为空");
        }
        return userService.compareAndChange(userId,oldPassword,newPassword);
    }
}
订单管理控制层：
@Controller
@RequestMapping("/order")
public class OrderController {
    @Autowired
    private IOrderService orderService;
    @Autowired
    private ICartService cartService;
    @Autowired
    private IBookInfoService bookInfoService;
    

        // 为了防止用户不是点击前台按钮提交表单造成的错误，后台也需要判断
        if ((Boolean) isExist.getData()) {
        	user.setActive("1");
            BSResult bsResult = userService.saveUser(user);
            //获得未激活的用户
            User userNotActive = (User) bsResult.getData();
          
            model.addAttribute("username", user.getUsername());
            return "register_success";
        } else {
            //用户名已经存在，不能注册
            model.addAttribute("registerError", isExist.getMessage());
            return "register";
        }
    }

        if (StringUtils.isEmpty(username)) {
            return BSResultUtil.build(200, USERNAME_CANNOT_NULL, false);
        }
        return userService.checkUserExistByUsername(username);
    }
    
    @RequestMapping("/register")
    public String register(User user, Model model) {
        BSResult isExist = checkUserExist(user.getUsername());
        //尽管前台页面已经用ajax判断用户名是否存在，
        // 为了防止用户不是点击前台按钮提交表单造成的错误，后台也需要判断

     * 填写订单信息页面
     *
     * @param bookId
     * @param buyNum
     * @param request
     * @return
     */
    @GetMapping("/info")
    public String orderInfo(@RequestParam(required = false, defaultValue = "0") int bookId,
                            @RequestParam(required = false, defaultValue = "0") int buyNum,
                            HttpServletRequest request) throws BSException {
        if (bookId != 0) {
            //点了立即购买，放到request域中，也session的立即购买域中以区分购物车中的书籍
            BookInfo bookInfo = bookInfoService.findById(bookId);
            if (bookInfo != null) {
                BSResult bsResult = cartService.addToCart(bookInfo, null, buyNum);
                request.getSession().setAttribute("buyNowCart", bsResult.getData());
                request.setAttribute("cart", bsResult.getData());
                return "order_info";

    @RequiresPermissions("book-add")
    public String toAddition() {
        return "admin/book/add";
    }
    
    @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";
    }
    
    @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();