Vue3.0 Advanced combat: Developing high-quality music Web app

V: ititit111222333

    @apiOperation (value = "http://apioperation ", notes =" http://apioperation ", httpMethod = "GET")
    @GetMapping("/getNewSixItems/{root}")
    public IMOOCJSONResult getNewSixItems(@apiParam (name = "root", value = "class ID ", Required = true)
                                          @PathVariable("root") Integer root) {
        if (Objects.isNull(root)) {
            return IMOOCJSONResult.errorMsg("First level category ID cannot be empty");
        }
        List<NewItemsVO> newSixItems;
        String rootCategory = redisOperator.get("newSixItems");
        if (StringUtils.isBlank(rootCategory)) {
            newSixItems = categoryService.getNewSixItems(root);
            redisOperator.set("firstCategory", JsonUtils.objectToJson(newSixItems));
        } else {
            newSixItems = JsonUtils.jsonToList(rootCategory, NewItemsVO.class);
        }
        return IMOOCJSONResult.ok(newSixItems);
    }

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