Java项目:网上书城+后台管理系统(java+jsp+servlet+mysql+ajax)

一、项目简述(附带IW文档)

功能： 前台： * 用户模块 * 分类模块 * 图书模块 * 购物车模块 * 订单模块

后台： * 管理员模块 * 分类管理模块 * 图书管理模块 * 订单模块

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 + C3P0+ Servlert + html+ css + JavaScript + JQuery + Ajax + Fileupload等等。

 

购物城模块控制器代码：

/**
 * @Description: 购物城模块控制器
 */
@RestController
@RequestMapping("/cart")
public class ShoppingCartController {

    @Autowired
    private ShoppingCartService shoppingCartService;
    /**
     * 根据用户ID获取该用户的购物车
     * @param session
     * @return
     */
    @GetMapping("/list")
    public ResultVO getCartByUserId(HttpSession session) {
        User user = (User) session.getAttribute("user");
        List<ShoppingCart> carts = shoppingCartService.getShoppingCartsByUserId(user.getUserId());
        return new ResultVO(ResultCode.SUCCESS, carts);
    }

    /**
     * 更新购物车的商品数量
     * @param cartId  购物车Id
     * @param quantity  商品购买数量
     * @return
     */
    @PutMapping("/list/{cartId}")
    public ResultVO updateCartItem(@PathVariable("cartId") Integer cartId,Integer quantity) {
        if(quantity<=0){
            throw new CustomizeException(ResultCode.FAILED,"购物数量必须大于0");
        }
        if(quantity>10){
            throw new CustomizeException(ResultCode.FAILED,"每件商品限购10件");
        }
        ShoppingCart cart = new ShoppingCart();
        cart.setCartId(cartId);
        cart.setQuantity(quantity);
        shoppingCartService.updateShoppingCart(cart);
        return new ResultVO(ResultCode.SUCCESS);
    }

    /**
     * 添加到购物车请求处理
     *
     * @param cart 接收前台传来的参数
     * @return
     */
    @PostMapping("/list")
    public ResultVO addToShoppingCart(@Valid ShoppingCart cart, HttpSession session) {
        User user = (User) session.getAttribute("user");
        cart.setUserId(user.getUserId());
        shoppingCartService.addToShoppingCart(cart);
        return new ResultVO(ResultCode.SUCCESS);
    }

    /**
     * 删除前台传来的cartId的购物车项
     * @param cartId
     * @return
     */
    @DeleteMapping("/list/{cartId}")
    public ResultVO deleteCartItem(@PathVariable("cartId") Integer cartId) {
        shoppingCartService.deleteShoppingCartByCartId(cartId);
        return new ResultVO(ResultCode.SUCCESS);
    }

    /**
     * 批量删除购物车
     * @param cartIds
     * @return
     */
    @DeleteMapping("/list")
    public ResultVO deleteCartItem(@RequestBody int[] cartIds) {
        shoppingCartService.deleteShoppingCarts(cartIds);
        return new ResultVO(ResultCode.SUCCESS);
    }


}

 

登录注册模块的控制器代码：

/**
 * @Description: 登录注册模块的控制器
 */

@Controller
public class LoginRegisterController {

    @Autowired
    private LoginRegisterService loginRegisterService;

    /**
     * 用户登录请求处理
     * @param user
     * @return
     */
    @PostMapping("/user/login")
    @ResponseBody
    public ResultVO userLoginHandler(@RequestBody @Valid User user, HttpSession session) {
        loginRegisterService.userLogin(user,session);
        return new ResultVO(ResultCode.SUCCESS,"/");
    }

    /**
     * 用户注册请求处理
     * @param user
     * @return
     */
    @PostMapping("/user/register")
    @ResponseBody
    public ResultVO userRegisterHandler(@RequestBody @Valid User user) {
        loginRegisterService.userRegister(user);
        return new ResultVO(ResultCode.SUCCESS,"/login");
    }

    /**
     * 管理员登录请求处理
     * @param admin
     * @return
     */
    @PostMapping("/admin/login")
    @ResponseBody
    public ResultVO adminLoginHandler(@RequestBody Admin admin, HttpSession session) {
        if(!("admin".equals(admin.getAdminName())&& "123456".equals(admin.getPassword()))){
            throw new CustomizeException(ResultCode.FAILED,"管理员账户或密码错误");
        }
        session.setAttribute("admin",admin);
        return new ResultVO(ResultCode.SUCCESS,"/admin/book_manage");
    }

    /**
     * 用户退出
     * @param session
     * @return
     */
    @GetMapping("/logout")
    public String userLogout(HttpSession session){
        session.removeAttribute("user");
        return "redirect:/login";
    }

    /**
     * 后台管理退出
     * @param session
     * @return
     */
    @GetMapping("/admin/logout")
    public String adminLogout(HttpSession session){
        session.removeAttribute("admin");
        return "redirect:/";
    }

    @GetMapping("/checkLoggedIn")
    @ResponseBody
    public ResultVO checkUserIsLoggedIn(HttpSession session) {
        if (session.getAttribute("user") == null) {
            throw new CustomizeException(ResultCode.USER_NOT_LOGGED_IN);
        }
        return new ResultVO(ResultCode.SUCCESS);
    }
}