Redis???????

????????????????????????????????????????????????????????????????????????Redis?????????Redis?????????

Redis????

???????CartPrefix???????????????????????

public class CartPrefix extends BasePrefix {    public CartPrefix(int expireSeconds, String prefix) {        super(expireSeconds, prefix);    }}

public static CartPrefix getCartList = new CartPrefix(0, "cart");

???????

????????

@Servicepublic class CartServiceImpl implements CartService {    @Autowired    private RedisService redisService;    @Autowired    private ProductInfoDao productInfoDao;    @Override    public int addCart(String userId, String productId, int num) {        // ???????        Boolean exists = redisService.existsValue(CartPrefix.getCartList, userId, productId);        if (exists) {            // ??????            String json = redisService.hget(CartPrefix.getCartList, userId, productId);            if (json != null) {                CartDto cartDto = JSON.toJavaObject(JSONObject.parseObject(json), CartDto.class);                cartDto.setProductNum(cartDto.getProductNum() + num);                redisService.hset(CartPrefix.getCartList, userId, productId, JSON.toJSON(cartDto).toString());            } else {                return 0;            }            return 1;        }        // ??????        ProductInfo productInfo = productInfoDao.findProductById(productId);        if (productInfo == null) {            return 0;        }        // ???????        CartDto cartDto = new CartDto();        cartDto.setProductId(productId);        cartDto.setProductName(productInfo.getProductName());        cartDto.setProductIcon(productInfo.getProductIcon());        cartDto.setProductPrice(productInfo.getProductPrice());        cartDto.setProductStatus(productInfo.getProductStatus());        cartDto.setProductNum(num);        cartDto.setCheck("1");        redisService.hset(CartPrefix.getCartList, userId, productId, JSON.toJSON(cartDto).toString());        return 1;    }

???????

@Overridepublic List
   
     getCartList(String userId) {    List
    
      jsonList = redisService.hvals(CartPrefix.getCartList, userId);    List
     
       cartDtoList = new LinkedList<>();    for (String json : jsonList) {        CartDto cartDto = JSON.toJavaObject(JSONObject.parseObject(json), CartDto.class);        cartDtoList.add(cartDto);    }    return cartDtoList;}

??????

@Overridepublic int updateCartNum(String userId, String productId, int num) {    String json = redisService.hget(CartPrefix.getCartList, userId, productId);    if (json == null) {        return 0;    }    CartDto cartDto = JSON.toJavaObject(JSONObject.parseObject(json), CartDto.class);    cartDto.setProductNum(num);    redisService.hset(CartPrefix.getCartList, userId, productId, JSON.toJSON(cartDto).toString());    return 1;}

????

@Overridepublic int checkAll(String userId, String checked) {    List
   
     jsonList = redisService.hvals(CartPrefix.getCartList, userId);    for (String json : jsonList) {        CartDto cartDto = JSON.toJavaObject(JSONObject.parseObject(json), CartDto.class);        if ("true".equals(checked)) {            cartDto.setCheck("1");        } else if ("false".equals(checked)) {            cartDto.setCheck("0");        } else {            return 0;        }        redisService.hset(CartPrefix.getCartList, userId, cartDto.getProductId(), JSON.toJSON(cartDto).toString());    }    return 1;}

????

@Overridepublic int delCartProduct(String userId, String productId) {    redisService.hdel(CartPrefix.getCartList, userId, productId);    return 1;}

?????

@Overridepublic int delCart(String userId) {    redisService.delete(CartPrefix.getCartList, userId);    return 1;}

?????

@RestController@RequestMapping("/cart")public class CartController {    @Autowired    private CartService cartService;    @PostMapping("/add")    @Authorization    public Object addCart(@RequestBody Map
   
     reqMap, @CurrentUser User user) {        String userId = RequestUtil.getMapString(user.getId());        String productId = RequestUtil.getMapString(reqMap.get("product_id").toString());        String numString = RequestUtil.getMapString(reqMap.get("product_num").toString());        Integer num = Integer.parseInt(numString);        int effectNum = cartService.addCart(userId, productId, num);        if (effectNum <= 0) {            return ResultUtil.fail(ResultEnum.ADD_CART_ERROR);        }        return ResultUtil.ok(ResultEnum.ADD_CART_SUCCESS.getMessage());    }

???????

@GetMapping(value = "/getCartList")@Authorizationpublic Object getCartList(@CurrentUser User user) {    String userId = RequestUtil.getMapString(user.getId());    List
   
     cartDtoList = cartService.getCartList(userId);    return ResultUtil.ok(cartDtoList);}

??????

@PostMapping(value = "/updateCartNum")@Authorizationpublic Object updateCartNum(@RequestBody Map
   
     reqMap, @CurrentUser User user) {    String userId = RequestUtil.getMapString(user.getId());    String productId = RequestUtil.getMapString(reqMap.get("product_id").toString());    String numString = RequestUtil.getMapString(reqMap.get("product_num").toString());    Integer num = Integer.parseInt(numString);    int effectNum = cartService.updateCartNum(userId, productId, num);    if (effectNum <= 0) {        return ResultUtil.fail();    }    return ResultUtil.ok();}

????

@PostMapping(value = "/checkAll")@Authorizationpublic Object checkAll(@RequestBody Map
   
     reqMap, @CurrentUser User user) {    String userId = RequestUtil.getMapString(user.getId());    String check = RequestUtil.getMapString(reqMap.get("check").toString());    int effectNum = cartService.checkAll(userId, check);    if (effectNum <= 0) {        return ResultUtil.fail();    }    return ResultUtil.ok();}

????

@PostMapping("/delCartProduct")@Authorizationpublic Object delCartProduct(@RequestBody Map
   
     reqMap, @CurrentUser User user) {    String userId = RequestUtil.getMapString(user.getId());    String productId = RequestUtil.getMapString(reqMap.get("product_id").toString());    int effectNum = cartService.delCartProduct(userId, productId);    if (effectNum <= 0) {        return ResultUtil.fail();    }    return ResultUtil.ok();}

?????

@PostMapping("/delCart")@Authorizationpublic Object delCart(@CurrentUser User user) {    String userId = RequestUtil.getMapString(user.getId());    int effectNum = cartService.delCart(userId);    if (effectNum <= 0) {        return ResultUtil.fail();    }    return ResultUtil.ok();}