@RequestMapping("cartListVo") public ResultEntity cartListVo(@RequestParam(name = "data", required = true) String data) { GoodsCart goodsCart; try { goodsCart = decodeByBase64(data, GoodsCart.class); System.out.println(goodsCart); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); return error(ResultCode.PARAM_DECODE_ERROR); } Wrapper<GoodsCart> wrapper = new EntityWrapper<GoodsCart>().eq("user_id", goodsCart.getUserId()); List<GoodsCart> selectList = goodsCartService.selectList(wrapper); ArrayList<GoodsCartVo> goodsCartVoList = Lists.newArrayList(); if(selectList.size()!=0) { for(GoodsCart onlyObj:selectList) { GoodsCartVo goodsCartVoLin = new GoodsCartVo(); BeanUtils.copyProperties(onlyObj, goodsCartVoLin); goodsCartVoList.add(goodsCartVoLin); } } if(goodsCartVoList.size()!=0) { for(GoodsCartVo goodsCartVo2:goodsCartVoList) { Wrapper<GoodsBaseInfo> wrapper2 = new EntityWrapper<GoodsBaseInfo>().eq("id", goodsCartVo2.getGoodsId()); GoodsBaseInfo selectOne = goodsBaseInfoService.selectOne(wrapper2); goodsCartVo2.setGoodsBaseInfo(selectOne); } } return success(goodsCartVoList); }