购物车

无关风月

2026-01-14 2fea785f3e64c572978cc535849eddf48015b3d0

 ruoyi-admin/src/main/java/com/ruoyi/web/controller/api/TErpGoodsShopController.java

@@ -136,51 +136,38 @@
        shoppingCartItem.setNum(num);
        Long userId = tokenService.getLoginUser().getUserId();
        List<ShoppingCartItem> cacheList = redisCache.getCacheList("shopCart:"+userId);
        if (cacheList==null){
            cacheList = new ArrayList<>();
        }
        redisCache.deleteObject("shopCart:"+userId);
        if (cacheList != null) {
            if (!cacheList.isEmpty()) {
        if (num==0){
            // 移除
            List<ShoppingCartItem> res = new ArrayList<>();
            for (ShoppingCartItem cartItem : cacheList) {
                if (!cartItem.getId().equals( id)){
                    res.add(cartItem);
                }
            }
            redisCache.setCacheList("shopCart:"+userId, res);
        }else{
            ShoppingCartItem temp = cacheList.stream().filter(e -> e.getId().equals(id)).findFirst().orElse(null);
            if (temp != null){
                // 修改数量
                for (ShoppingCartItem cartItem : cacheList) {
                    if (cartItem.getId().equals(id)) {
                        cartItem.setNum(num);
                        if (num==0){
                            // 移除
                            List<ShoppingCartItem> res = new ArrayList<>();
                            for (ShoppingCartItem c : cacheList) {
                                if (c.getNum()==0){
                                    continue;
                                }
                                res.add(c);
                            }
                            redisCache.setCacheList("shopCart:"+userId, res);
                            return R.ok();
                        }
                        redisCache.setCacheList("shopCart:"+userId, cacheList);
                        return R.ok();
                    }else{
                        cacheList.add(cartItem);
                        break;
                    }
                }
            } else {
                if (num!=0){
                    cacheList = new ArrayList<>();
                    cacheList.add(shoppingCartItem);
                }
                redisCache.setCacheList("shopCart:"+userId, cacheList);
            }else{
                // 新增
                cacheList.add(shoppingCartItem);
                redisCache.setCacheList("shopCart:"+userId, cacheList);

            }
        } else {
            cacheList = new ArrayList<>();
            if (num!=0){
                cacheList.add(shoppingCartItem);
            }

        }
        List<ShoppingCartItem> res = new ArrayList<>();
        for (ShoppingCartItem cartItem : cacheList) {
            if (cartItem.getNum()==0){
                continue;
            }
            res.add(cartItem);
        }
        redisCache.setCacheList("shopCart:"+userId, res);
        return R.ok();
    }