如何用RestTemplate同时传递一个Java对象和基本类型的参数？

Question

我用RestTemplate想两个参数，一个是自己写的Java类，一个是基本类型请求的Controller    @RequestMapping("/buy")     public int buy(@RequestBody GoodsDetail goodsDetail,Integer buyCount){         goodsDetail.setRemaining(goodsDetail.getRemaining() - buyCount);         int num = goodsDetailMapper.updateByPrimaryKey(goodsDetail);         return num;     }用getForObject：    Map<String,Object> map = new HashMap<>();     map.put("goodsDetail",goodsDetail);     map.put("buyCount",buyCount);     int num = restTemplate.getForObject("http://localhost:8088/shop-buy/buy?goodsDetail={goodsDetail}&buyCount={buyCount}", int.class, map);报400 null用postForObject:        MultiValueMap<String,Object> multiValueMap = new LinkedMultiValueMap<>();         multiValueMap.add("goodsDetail",goodsDetail);         multiValueMap.add("buyCount",buyCount);         int num = restTemplate.postForObject("http://localhost:8088/shop-buy/buy", multiValueMap, int.class);报415 null 求救，要疯掉了！

Answer 1

@RequestMapping("/buy/{buyCount}")
    public int buy(@RequestBody GoodsDetail goodsDetail,@PathParam ("buyCount") Integer buyCount){
        goodsDetail.setRemaining(goodsDetail.getRemaining() - buyCount);
        int num = goodsDetailMapper.updateByPrimaryKey(goodsDetail);
        return num;
    }

Answer 2

你可以了解一下请求体类型

Answer 3

@RequestParam 或者将这两个封装到一个实体类