基于SSM的仓库管理系统

/**
     * 通用的记录查询
     *
     * @param searchType 查询类型
     * @param keyWord    查询关键字
     * @param offset     分页偏移值
     * @param limit      分页大小
     * @return 返回一个 Map ，包含所有符合要求的查询结果，以及记录的条数
     */
    private Map<String, Object> query(String searchType, String keyWord, int offset, int limit) throws GoodsManageServiceException {
        Map<String, Object> queryResult = null;
        switch (searchType) {
            case SEARCH_BY_ID:
                if (StringUtils.isNumeric(keyWord))
                    queryResult = goodsManageService.selectById(Integer.valueOf(keyWord));
                break;
            case SEARCH_BY_NAME:
                queryResult = goodsManageService.selectByName(keyWord);
                break;
            case SEARCH_ALL:
                queryResult = goodsManageService.selectAll(offset, limit);
                break;
            default:
                // do other thing
                break;
        }
        return queryResult;
    }
    /**
     * 搜索货物信息
     *
     * @param searchType 搜索类型
     * @param offset     如有多条记录时分页的偏移值
     * @param limit      如有多条记录时分页的大小
     * @param keyWord    搜索的关键字
     * @return 返回所有符合要求的记录
     */
    @SuppressWarnings("unchecked")
    @RequestMapping(value = "getGoodsList", method = RequestMethod.GET)
    public
    @ResponseBody
    Map<String, Object> getGoodsList(@RequestParam("searchType") String searchType,
                                     @RequestParam("offset") int offset, @RequestParam("limit") int limit,
                                     @RequestParam("keyWord") String keyWord) throws GoodsManageServiceException {
        // 初始化 Response
        Response responseContent = responseUtil.newResponseInstance();
        List<Supplier> rows = null;
        long total = 0;
        // 查询
        Map<String, Object> queryResult = query(searchType, keyWord, offset, limit);
        if (queryResult != null) {
            rows = (List<Supplier>) queryResult.get("data");
            total = (long) queryResult.get("total");
        }
        // 设置 Response
        responseContent.setCustomerInfo("rows", rows);
        responseContent.setResponseTotal(total);
        return responseContent.generateResponse();
    }