Springboot接收数组对象类型参数

@RestController
@RequestMapping("/app/answer")
public class APPAnswerController {
    @RequestMapping("/addanswer")
    public CommonResult addAnswer(@RequestBody List param){
        System.out.println(param);
        return CommonResult.success("");
    }
}

 url: url,
 data: data,
 method: method,
 header: {
   "Content-Type": "application/json;charset=UTF-8",
   "token":info.token
 },

util.request(app.globalData.baseURL+`app/answer/addanswer`,"post",JSON.stringify(comfList)).then(res=>{
      console.log(res);
})