SpringBoot如何接收Post请求Body里面的参数

{
    "list": [
        "{'time':'xxxxx','distinct_id':'xxxx','appId':'xxxx'}",
        "{'time':'xxxxx','distinct_id':'xxxx','appId':'xxxx'}",
        "{'time':'xxxxx','distinct_id':'xxxx','appId':'xxxx'}",
        "{'time':'xxxxx','distinct_id':'xxxx','appId':'xxxx'}"
    ],
    "type": 1
}

import cn.hutool.JSON.jsONObject;
@PostMapping("/data/callback")
    public Object testResponse(
            @RequestBody JSONObject jsonObject
    ) {
        JSONArray jsonList = jsonObject.getJSONArray("list");
        ArrayList<DataEntity> list = new ArrayList<>();
        for (Object jsObject : jsonList){
            DataEntity dataEntity = JSONObject.parseObject(jsObject.toString(), DataEntity.class);
            list.add(dataEntity);
        }
        Integer type = (Integer) jsonObject.get("type");
        log.info(String.fORMat("本次共接收%d条数据,type=%d",list.size(),type));
        for (DataEntity dataEntity : list) {
            log.info(dataEntity.toString());
        }
    }    

@PostMapping("/queryCityEntityById")
public Object queryCityEntityById(@RequestBody CityEntity cityEntity)
{
    return ResultUtil.returnSuccess(cityService.queryCityById(cityEntity.getId()));
}

@RestController
public class HelloController {
    @RequestMapping(value="/hello/{id}/{name}",method= RequestMethod.GET)
    public String sayHello(@PathVariable("id") Integer id,@PathVariable("name") String name){
        return "id:"+id+" name:"+name;
    }
}

@RestController
public class HelloController {
    @RequestMapping(value="/hello",method= RequestMethod.GET)
    public String sayHello(@RequestParam Integer id){
        return "id:"+id;
    }
}