mybatis 之 parameterType="HashMap"参数包含list

    /**
     * 获得人气组合商品详情

     * @param paramMap
     * @return
     */
    public List<Goods> getCheckGoodsCombination(Map paramMap);

/**
     * 获得人气组合商品详情
     *
     * @param request
     * @param response
     * @param originalGoodsId
     * @param checkGoodsIds
     */
    @RequestMapping("/combination")
    public void combination(HttpServletRequest request, HttpServletResponse response,
            @RequestParam(value = "originalGoodsId", required = true) String originalGoodsId,
            @RequestParam(value = "checkGoodsId", required = false) String checkGoodsIds) {

        try {
            ServiceMessage<List<Goods>> combinationResult = goodsDetailService.getCheckGoodsCombination(originalGoodsId, checkGoodsIds);
            if (combinationResult.getStatus() != MsgStatus.NORMAL) {
                this.setResultInfo(combinationResult.getStatus().getCode(), combinationResult.getMessage());
                return;
            }
            List<Goods> goodsList = combinationResult.getResult();
            DecimalFormat df = new DecimalFormat("0.00");
            BigDecimal sumMarktPrice = new BigDecimal(0);
            BigDecimal sumEcPrice = new BigDecimal(0);
            for (Goods g : goodsList) {
                // 如果是促销
                if (g.getDiscountState().equals("enable")) {
                    long beginTime = DateUtils.dateAllToLong(g.getBeginTime());
                    long endTime = DateUtils.dateAllToLong(g.getEndTime());
                    long current = System.currentTimeMillis();
                    if (beginTime > current || endTime < current) {
                        g.setDiscountState("none");
                    }else{
                        g.setEcPrice(g.getDiscountPrice());
                    }
                    sumEcPrice = sumEcPrice.add(g.getEcPrice());
                } else {
                    sumEcPrice = sumEcPrice.add(g.getEcPrice());
                }
                sumMarktPrice = sumMarktPrice.add(g.getMarketPrice());
                // 转化为小数点两位
                g.setEcPrice(new BigDecimal(df.format(g.getEcPrice())));
            }
            // 优惠价=网售价-市场价
            BigDecimal promotePrice = sumEcPrice.subtract(sumMarktPrice);
            //
            _result.put("originalGoodsId", originalGoodsId);
            // 优惠的价
            _result.put("promotePrice", df.format(promotePrice));
            // 组合售价之和
            _result.put("combinationPrice", df.format(sumEcPrice));
            // 组合结果集
            _result.put("combinationResult", combinationResult.getResult());
            _result.setMsg(combinationResult.getMessage());
            _result.setStatus(combinationResult.getStatus().getCode());
        } catch (Exception e) {
            logger.error(e.getMessage(), e);
        } finally {
            write(request, response);
        }

    }

/**
     * 获得人气组合商品详情
     *
     * @param originalGoodsId 原goodsId
     * @param checkGoodsIds   选中的组合goodsId
     * @return
     */
    @Override
    public ServiceMessage<List<Goods>> getCheckGoodsCombination(String originalGoodsId, String checkGoodsIds) {
        try {
            List<String> list = new ArrayList<String>();
            String combinationType = "";
            if (!"".equals(checkGoodsIds) && checkGoodsIds != null) {
                if (checkGoodsIds.equals("0")) {
                    combinationType = "original";
                } else {
                    combinationType = "combination";
                    checkGoodsIds = URLDecoder.decode(checkGoodsIds, "utf-8");
                    String[] checkArr = checkGoodsIds.split(",");
                    for (int i = 0; i < checkArr.length; i++) {
                        list.add(checkArr[i]);
                    }
                }
            } else {
                list = null;
                combinationType = "all";
                //return super.returnParamsError("人气组合选中的组合checkGoodsIds为空");
            }

            if (originalGoodsId == null || "".equals(originalGoodsId)) {
                return super.returnParamsError("人气组合原goodsId为空");
            }

            Map<String, Object> map = new HashMap<String, Object>();
            map.put("originalGoodsId", originalGoodsId);
            map.put("checkGoodsIds", list);
            map.put("combinationType", combinationType);
            List<Goods> combinationList = goodsMapper.getCheckGoodsCombination(map);
            if (combinationList == null || combinationList.size() < 1) {
                return super.returnException("查找不到人气组合商品");
            }
            return super.returnCorrectResult(combinationList);
        } catch (Throwable e) {
            logger.error(e);
            return super.returnException("查询人气组合商品出错");
        }
    }